From 05fb78c5d45954a1705499d89e9584afbe6dc526 Mon Sep 17 00:00:00 2001
From: Josh Micich <josh@apache.org>
Date: Mon, 31 Mar 2008 05:10:35 +0000
Subject: [PATCH] More work on Conditional Formatting (bug 30311) junit and
 fixes from Dmitriy. Some other clean-up.

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@642878 13f79535-47bb-0310-9956-ffa450edef68
---
 src/documentation/content/xdocs/changes.xml   |   2 +
 src/documentation/content/xdocs/status.xml    |   2 +
 .../poi/hssf/record/CFHeaderRecord.java       | 121 +--
 .../apache/poi/hssf/record/CFRuleRecord.java  | 973 +++++++++---------
 .../record/aggregates/CFRecordsAggregate.java | 174 ++--
 .../apache/poi/hssf/record/cf/CellRange.java  | 484 +++++++--
 .../hssf/usermodel/HSSFBorderFormatting.java  | 238 +++--
 .../usermodel/HSSFConditionalFormatting.java  | 161 +--
 .../HSSFConditionalFormattingRule.java        | 238 +----
 .../apache/poi/hssf/usermodel/HSSFSheet.java  | 137 +--
 .../poi/hssf/record/AllRecordTests.java       |   4 +
 .../poi/hssf/record/TestCFHeaderRecord.java   | 199 ++--
 .../poi/hssf/record/TestCFRuleRecord.java     | 375 +++----
 .../aggregates/AllRecordAggregateTests.java   |  40 +
 .../aggregates/TestCFRecordsAggregate.java    | 126 ++-
 .../poi/hssf/record/cf/TestCellRange.java     | 105 +-
 .../TestHSSFConfditionalFormatting.java       | 203 ++++
 17 files changed, 1956 insertions(+), 1626 deletions(-)
 create mode 100644 src/testcases/org/apache/poi/hssf/record/aggregates/AllRecordAggregateTests.java
 create mode 100644 src/testcases/org/apache/poi/hssf/usermodel/TestHSSFConfditionalFormatting.java

diff --git a/src/documentation/content/xdocs/changes.xml b/src/documentation/content/xdocs/changes.xml
index ab9a4c796..9be4485ae 100644
--- a/src/documentation/content/xdocs/changes.xml
+++ b/src/documentation/content/xdocs/changes.xml
@@ -26,6 +26,7 @@
         <!-- in strict alphabetical order -->
         <person id="AO" name="Andrew C. Oliver" email="acoliver2@users.sourceforge.net"/>
         <person id="GJS" name="Glen Stampoultzis" email="user@poi.apache.org"/>
+        <person id="JM" name="Josh Micich" email="josh@apache.org"/>
         <person id="MJ" name="Marc Johnson" email="mjohnson@apache.org"/>
         <person id="NKB" name="Nicola Ken Barozzi" email="barozzi@nicolaken.com"/>
         <person id="NB" name="Nick Burch" email="nick@torchbox.com"/>
@@ -36,6 +37,7 @@
 
 		<!-- Don't forget to update status.xml too! -->
         <release version="3.0.3-beta1" date="2008-04-??">
+           <action dev="POI-DEVELOPERS" type="add">30311 - More work on Conditional Formatting</action>
            <action dev="POI-DEVELOPERS" type="add">Move the Formula Evaluator code out of scratchpad</action>
            <action dev="POI-DEVELOPERS" type="add">Move the missing record aware eventusermodel code out of scratchpad</action>
            <action dev="POI-DEVELOPERS" type="add">44652 / 44603 - Improved handling of Pictures in Word Documents</action>
diff --git a/src/documentation/content/xdocs/status.xml b/src/documentation/content/xdocs/status.xml
index 14c7b817a..f8712cc30 100644
--- a/src/documentation/content/xdocs/status.xml
+++ b/src/documentation/content/xdocs/status.xml
@@ -22,6 +22,7 @@
         <!-- in strict alphabetical order -->
         <person id="AO" name="Andrew C. Oliver" email="acoliver2@users.sourceforge.net"/>
         <person id="GJS" name="Glen Stampoultzis" email="user@poi.apache.org"/>
+        <person id="JM" name="Josh Micich" email="josh@apache.org"/>
         <person id="MJ" name="Marc Johnson" email="mjohnson@apache.org"/>
         <person id="NKB" name="Nicola Ken Barozzi" email="barozzi@nicolaken.com"/>
         <person id="NB" name="Nick Burch" email="nick@torchbox.com"/>
@@ -33,6 +34,7 @@
 	<!-- Don't forget to update changes.xml too! -->
     <changes>
         <release version="3.0.3-beta1" date="2008-04-??">
+           <action dev="POI-DEVELOPERS" type="add">30311 - More work on Conditional Formatting</action>
            <action dev="POI-DEVELOPERS" type="add">Move the Formula Evaluator code out of scratchpad</action>
            <action dev="POI-DEVELOPERS" type="add">Move the missing record aware eventusermodel code out of scratchpad</action>
            <action dev="POI-DEVELOPERS" type="add">44652 / 44603 - Improved handling of Pictures in Word Documents</action>
diff --git a/src/java/org/apache/poi/hssf/record/CFHeaderRecord.java b/src/java/org/apache/poi/hssf/record/CFHeaderRecord.java
index 00a8646b4..7f2d5c319 100644
--- a/src/java/org/apache/poi/hssf/record/CFHeaderRecord.java
+++ b/src/java/org/apache/poi/hssf/record/CFHeaderRecord.java
@@ -15,18 +15,10 @@
    limitations under the License.
 ==================================================================== */
 
-/*
- * ConditionalFormattingHeaderRecord.java
- *
- * Created on January 17, 2008, 3:05 AM
- */
 package org.apache.poi.hssf.record;
 
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-
 import org.apache.poi.hssf.record.cf.CellRange;
+import org.apache.poi.hssf.util.Region;
 import org.apache.poi.util.LittleEndian;
 
 /**
@@ -34,19 +26,27 @@ import org.apache.poi.util.LittleEndian;
  * 
  * @author Dmitriy Kumshayev
  */
-public class CFHeaderRecord extends Record
+public final class CFHeaderRecord extends Record
 {
 	public static final short sid = 0x1B0;
 
+	private static final CellRange[] EMPTY_CELL_RANGE_ARRAY = { };
+
 	private int field_1_numcf;
 	private int field_2_need_recalculation;
 	private CellRange field_3_enclosing_cell_range;
-	private List field_4_cell_ranges;
+	private CellRange[] field_4_cell_ranges;
 
 	/** Creates new CFHeaderRecord */
 	public CFHeaderRecord()
 	{
-		field_4_cell_ranges = new ArrayList(5);
+		field_4_cell_ranges = EMPTY_CELL_RANGE_ARRAY;
+	}
+	public CFHeaderRecord(Region[] regions)
+	{
+		CellRange[] unmergedRanges = CellRange.convertRegionsToCellRanges(regions);
+		CellRange[] mergeCellRanges = CellRange.mergeCellRanges(unmergedRanges);
+		setCellRanges(mergeCellRanges);
 	}
 
 	public CFHeaderRecord(RecordInputStream in)
@@ -60,11 +60,12 @@ public class CFHeaderRecord extends Record
 		field_2_need_recalculation = in.readShort();
 		field_3_enclosing_cell_range = new CellRange(in.readShort(),in.readShort(),in.readShort(),in.readShort());
 		int numCellRanges = in.readShort();
-		field_4_cell_ranges = new ArrayList(5);
+		CellRange[] crs = new CellRange[numCellRanges];
 		for( int i=0; i<numCellRanges; i++)
 		{
-			field_4_cell_ranges.add(new CellRange(in.readShort(),in.readShort(),in.readShort(),in.readShort()));
+			crs[i] = new CellRange(in.readShort(),in.readShort(),in.readShort(),in.readShort());
 		}
+		field_4_cell_ranges = crs;
 	}
 	
 	public int getNumberOfConditionalFormats()
@@ -101,28 +102,24 @@ public class CFHeaderRecord extends Record
 	 * modify the enclosing cell range accordingly.
 	 * @param List cellRanges - list of CellRange objects
 	 */
-	public void setCellRanges( List cellRanges )
+	public void setCellRanges(CellRange[] cellRanges)
 	{
-		field_4_cell_ranges.clear();
-		if(cellRanges!=null)
+		if(cellRanges == null)
 		{
-			field_3_enclosing_cell_range=null;
-			for( int i=0; i<cellRanges.size(); i++)
-			{
-				field_4_cell_ranges.add(cellRanges.get(i));
-				recalculateEnclosingRange((CellRange)cellRanges.get(i));
-			}
+			throw new IllegalArgumentException("cellRanges must not be null");
 		}
-	}
-
-	private void recalculateEnclosingRange(CellRange cellRange)
-	{
-		field_3_enclosing_cell_range = cellRange.createEnclosingCellRange(field_3_enclosing_cell_range);
+		field_4_cell_ranges = (CellRange[]) cellRanges.clone();
+		CellRange enclosingRange = null;
+		for (int i = 0; i < cellRanges.length; i++)
+		{
+			enclosingRange = cellRanges[i].createEnclosingCellRange(enclosingRange);
+		}
+		field_3_enclosing_cell_range=enclosingRange;
 	}
 	
-	public List getCellRanges()
+	public CellRange[] getCellRanges()
 	{
-		return field_4_cell_ranges;
+		return (CellRange[]) field_4_cell_ranges.clone();
 	}
 
 	public String toString()
@@ -130,16 +127,16 @@ public class CFHeaderRecord extends Record
 		StringBuffer buffer = new StringBuffer();
 
 		buffer.append("[CFHEADER]\n");
-        buffer.append("    .id        = ").append(Integer.toHexString(sid)).append("\n");
-		buffer.append("    .numCF            = ").append(getNumberOfConditionalFormats()).append("\n");
-		buffer.append("    .needRecalc       = ").append(getNeedRecalculation()).append("\n");
-		buffer.append("    .enclosingCellRange= ").append(getEnclosingCellRange()).append("\n");
-		if( field_4_cell_ranges.size()>0)
+		buffer.append("	.id		= ").append(Integer.toHexString(sid)).append("\n");
+		buffer.append("	.numCF			= ").append(getNumberOfConditionalFormats()).append("\n");
+		buffer.append("	.needRecalc	   = ").append(getNeedRecalculation()).append("\n");
+		buffer.append("	.enclosingCellRange= ").append(getEnclosingCellRange()).append("\n");
+		if( field_4_cell_ranges.length>0)
 		{
-			buffer.append("    .cfranges=[");
-			for( int i=0; i<field_4_cell_ranges.size(); i++)
+			buffer.append("	.cfranges=[");
+			for( int i=0; i<field_4_cell_ranges.length; i++)
 			{
-				buffer.append(i==0?"":",").append(field_4_cell_ranges.get(i));
+				buffer.append(i==0?"":",").append(field_4_cell_ranges[i].toString());
 			}
 			buffer.append("]\n");
 		}
@@ -163,24 +160,21 @@ public class CFHeaderRecord extends Record
 		LittleEndian.putShort(data, 10 + offset, (short) field_3_enclosing_cell_range.getLastRow());
 		LittleEndian.putShort(data, 12 + offset, (short) field_3_enclosing_cell_range.getFirstColumn());
 		LittleEndian.putShort(data, 14 + offset, (short) field_3_enclosing_cell_range.getLastColumn());
-		LittleEndian.putShort(data, 16 + offset, (short) field_4_cell_ranges.size());
-		for( int i=0 ; i!=field_4_cell_ranges.size(); i++)
+		LittleEndian.putShort(data, 16 + offset, (short) field_4_cell_ranges.length);
+		for( int i=0 ; i!=field_4_cell_ranges.length; i++)
 		{
-			LittleEndian.putShort(data, 18 + 0 + 8 * i + offset,
-					(short) ((CellRange) field_4_cell_ranges.get(i)).getFirstRow());
-			LittleEndian.putShort(data, 18 + 2 + 8 * i + offset,
-					(short) ((CellRange) field_4_cell_ranges.get(i)).getLastRow());
-			LittleEndian.putShort(data, 18 + 4 + 8 * i + offset,
-					(short) ((CellRange) field_4_cell_ranges.get(i)).getFirstColumn());
-			LittleEndian.putShort(data, 18 + 6 + 8 * i + offset,
-					(short) ((CellRange) field_4_cell_ranges.get(i)).getLastColumn());
+			CellRange cr = field_4_cell_ranges[i];
+			LittleEndian.putShort(data, 18 + 0 + 8 * i + offset, (short) cr.getFirstRow());
+			LittleEndian.putShort(data, 18 + 2 + 8 * i + offset, (short) cr.getLastRow());
+			LittleEndian.putShort(data, 18 + 4 + 8 * i + offset, (short) cr.getFirstColumn());
+			LittleEndian.putShort(data, 18 + 6 + 8 * i + offset, (short) cr.getLastColumn());
 		}
 		return getRecordSize();
 	}
 
 	public int getRecordSize()
 	{
-		return 18+8*field_4_cell_ranges.size();
+		return 18+8*field_4_cell_ranges.length;
 	}
 
 	/**
@@ -204,20 +198,17 @@ public class CFHeaderRecord extends Record
 		return sid;
 	}
 
-    public Object clone() 
-    {
-    	CFHeaderRecord rec = new CFHeaderRecord();
-    	rec.field_1_numcf = field_1_numcf;
-    	rec.field_2_need_recalculation = field_2_need_recalculation;
-    	rec.field_3_enclosing_cell_range = field_3_enclosing_cell_range;
-        rec.field_4_cell_ranges = new ArrayList(field_4_cell_ranges.size());
-        Iterator iterator = field_4_cell_ranges.iterator();
-        while (iterator.hasNext()) 
-        {
-           CellRange oldRange = (CellRange)iterator.next();
-           rec.field_4_cell_ranges.add(oldRange.cloneCellRange());
-        }
-        return rec;
-    }
-
+	public Object clone() 
+	{
+		CFHeaderRecord result = new CFHeaderRecord();
+		result.field_1_numcf = field_1_numcf;
+		result.field_2_need_recalculation = field_2_need_recalculation;
+		result.field_3_enclosing_cell_range = field_3_enclosing_cell_range;
+		CellRange[] crs = new CellRange[field_4_cell_ranges.length];
+		for (int i = 0; i < crs.length; i++) {
+			crs[i] = field_4_cell_ranges[i].cloneCellRange();
+		}
+		result.field_4_cell_ranges = crs;
+		return result;
+	}
 }
diff --git a/src/java/org/apache/poi/hssf/record/CFRuleRecord.java b/src/java/org/apache/poi/hssf/record/CFRuleRecord.java
index 010844346..43da6260a 100644
--- a/src/java/org/apache/poi/hssf/record/CFRuleRecord.java
+++ b/src/java/org/apache/poi/hssf/record/CFRuleRecord.java
@@ -1,4 +1,3 @@
-
 /* ====================================================================
    Licensed to the Apache Software Foundation (ASF) under one or more
    contributor license agreements.  See the NOTICE file distributed with
@@ -17,16 +16,12 @@
 ==================================================================== */
         
 
-/*
- * ConditionalFormattingRuleRecord.java
- *
- * Created on January 23, 2008, 9:56 AM
- */
 package org.apache.poi.hssf.record;
 
-import java.util.List;
 import java.util.Stack;
 
+import org.apache.poi.hssf.model.FormulaParser;
+import org.apache.poi.hssf.model.Workbook;
 import org.apache.poi.hssf.record.cf.BorderFormatting;
 import org.apache.poi.hssf.record.cf.FontFormatting;
 import org.apache.poi.hssf.record.cf.PatternFormatting;
@@ -39,316 +34,292 @@ import org.apache.poi.util.LittleEndian;
  * Conditional Formatting Rule Record.
  * @author Dmitriy Kumshayev
  */
-
-public class CFRuleRecord extends Record
+public final class CFRuleRecord extends Record
 {
-    
-    public static final short sid = 0x01B1;
-    
-    private byte             field_1_condition_type;
-    public static final byte CONDITION_TYPE_NO_CONDITION_TYPE = 0;
-    public static final byte CONDITION_TYPE_CELL_VALUE_IS = 1;
-    public static final byte CONDITION_TYPE_FORMULA = 2;
-    
-    private byte             field_2_comparison_operator;
-    public static final byte COMPARISON_OPERATOR_NO_COMPARISON = 0;
-    public static final byte COMPARISON_OPERATOR_BETWEEN 	   = 1;
-    public static final byte COMPARISON_OPERATOR_NOT_BETWEEN   = 2;
-    public static final byte COMPARISON_OPERATOR_EQUAL         = 3;
-    public static final byte COMPARISON_OPERATOR_NOT_EQUAL     = 4;
-    public static final byte COMPARISON_OPERATOR_GT            = 5;
-    public static final byte COMPARISON_OPERATOR_LT            = 6;
-    public static final byte COMPARISON_OPERATOR_GE            = 7;
-    public static final byte COMPARISON_OPERATOR_LE            = 8;
-    
-    private short            field_3_formula1_len;
-    private short            field_4_formula2_len;
-    
-    private int              field_5_options;
 
-    private static final BitField modificationBits = BitFieldFactory.getInstance(0x83FFFFFF); // Bits: font,align,bord,patt,prot
-    private static final BitField alignHor		= BitFieldFactory.getInstance(0x00000001); // 0 = Horizontal alignment modified
- 	private static final BitField alignVer		= BitFieldFactory.getInstance(0x00000002); // 0 = Vertical alignment modified
-	private static final BitField alignWrap		= BitFieldFactory.getInstance(0x00000004); // 0 = Text wrapped flag modified
-	private static final BitField alignRot		= BitFieldFactory.getInstance(0x00000008); // 0 = Text rotation modified
-	private static final BitField alignJustLast = BitFieldFactory.getInstance(0x00000010); // 0 = Justify last line flag modified
-	private static final BitField alignIndent	= BitFieldFactory.getInstance(0x00000020); // 0 = Indentation modified
-	private static final BitField alignShrink	= BitFieldFactory.getInstance(0x00000040); // 0 = Shrink to fit flag modified
-	private static final BitField notUsed1 		= BitFieldFactory.getInstance(0x00000080); // Always 1
-	private static final BitField protLocked    = BitFieldFactory.getInstance(0x00000100); // 0 = Cell locked flag modified
-	private static final BitField protHidden	= BitFieldFactory.getInstance(0x00000200); // 0 = Cell hidden flag modified
-	private static final BitField bordLeft 		= BitFieldFactory.getInstance(0x00000400); // 0 = Left border style and colour modified
-	private static final BitField bordRight 	= BitFieldFactory.getInstance(0x00000800); // 0 = Right border style and colour modified
-	private static final BitField bordTop		= BitFieldFactory.getInstance(0x00001000); // 0 = Top border style and colour modified
-	private static final BitField bordBot 		= BitFieldFactory.getInstance(0x00002000); // 0 = Bottom border style and colour modified
-	private static final BitField bordTlBr 		= BitFieldFactory.getInstance(0x00004000); // 0 = Top-left to bottom-right border flag modified
-	private static final BitField bordBlTr 		= BitFieldFactory.getInstance(0x00008000); // 0 = Bottom-left to top-right border flag modified
-	private static final BitField pattStyle 	= BitFieldFactory.getInstance(0x00010000); // 0 = Pattern style modified
-	private static final BitField pattCol 		= BitFieldFactory.getInstance(0x00020000); // 0 = Pattern colour modified
-	private static final BitField pattBgCol 	= BitFieldFactory.getInstance(0x00040000); // 0 = Pattern background colour modified
-	private static final BitField notUsed2 		= BitFieldFactory.getInstance(0x00380000); // Always 111
-	private static final BitField undocumented	= BitFieldFactory.getInstance(0x03C00000); // Undocumented bits
-    private static final BitField fmtBlockBits  = BitFieldFactory.getInstance(0x7C000000); // Bits: font,align,bord,patt,prot
-	private static final BitField font 			= BitFieldFactory.getInstance(0x04000000); // 1 = Record contains font formatting block
-	private static final BitField align    		= BitFieldFactory.getInstance(0x08000000); // 1 = Record contains alignment formatting block
-	private static final BitField bord     		= BitFieldFactory.getInstance(0x10000000); // 1 = Record contains border formatting block
-	private static final BitField patt     		= BitFieldFactory.getInstance(0x20000000); // 1 = Record contains pattern formatting block
-	private static final BitField prot     		= BitFieldFactory.getInstance(0x40000000); // 1 = Record contains protection formatting block
-	private static final BitField alignTextDir	= BitFieldFactory.getInstance(0x80000000); // 0 = Text direction modified
-    
-    
-    private short            field_6_not_used;
-    
-    private FontFormatting fontFormatting;
+	public static final short sid = 0x01B1;
 
-    private byte 			 field_8_align_text_break;
-    private byte 			 field_9_align_text_rotation_angle;
-    private short 			 field_10_align_indentation;
-    private short 			 field_11_relative_indentation;
-    private short 			 field_12_not_used;
-    
-    private BorderFormatting borderFormatting;
+	public static final class ComparisonOperator {
+		public static final byte NO_COMPARISON = 0;
+		public static final byte BETWEEN       = 1;
+		public static final byte NOT_BETWEEN   = 2;
+		public static final byte EQUAL         = 3;
+		public static final byte NOT_EQUAL     = 4;
+		public static final byte GT            = 5;
+		public static final byte LT            = 6;
+		public static final byte GE            = 7;
+		public static final byte LE            = 8;
+	}
 
-    private PatternFormatting patternFormatting;
-    
-    private Stack            field_17_formula1;
-    private Stack            field_18_formula2;
-    
-    /** Creates new CFRuleRecord */
-    public CFRuleRecord()
-    {
-    	field_1_condition_type=CONDITION_TYPE_NO_CONDITION_TYPE;
-    	field_2_comparison_operator=COMPARISON_OPERATOR_NO_COMPARISON;
-    	setExpression1Length((short)0);
-    	setExpression2Length((short)0);
-    	
-    	// Set modification flags to 1: by default options are not modified
-    	setOptions(modificationBits.setValue(field_5_options, -1));
-    	// Set formatting block flags to 0 (no formatting blocks)
-    	setOptions(fmtBlockBits.setValue(field_5_options, 0));
-    	
-    	field_6_not_used = 0;
-    	fontFormatting=null;
-        field_8_align_text_break = 0;
-        field_9_align_text_rotation_angle = 0;
-        field_10_align_indentation = 0;
-        field_11_relative_indentation = 0;
-        field_12_not_used = 0;
-    	borderFormatting=null;
-    	patternFormatting=null;
-    	field_17_formula1=null;
-    	field_18_formula2=null;
-    }
+	private byte  field_1_condition_type;
+	public static final byte CONDITION_TYPE_CELL_VALUE_IS = 1;
+	public static final byte CONDITION_TYPE_FORMULA = 2;
 
-    /**
-     * Constructs a Formula record and sets its fields appropriately.
-     * Note - id must be 0x06 (NOT 0x406 see MSKB #Q184647 for an 
-     * "explanation of this bug in the documentation) or an exception
-     *  will be throw upon validation
-     *
-     * @param in the RecordInputstream to read the record from
-     */
+	private byte  field_2_comparison_operator;
 
-    public CFRuleRecord(RecordInputStream in)
-    {
-        super(in);
-    }
+	private short field_3_formula1_len;
+	private short field_4_formula2_len;
 
-    protected void fillFields(RecordInputStream in)
-    {
-        try {
-          field_1_condition_type		= in.readByte();
-          field_2_comparison_operator   = in.readByte();
-          field_3_formula1_len			= in.readShort();
-          field_4_formula2_len			= in.readShort();
-          field_5_options				= in.readInt();
-          field_6_not_used              = in.readShort();
+	private int   field_5_options;
 
-          if(containsFontFormattingBlock())
-          {
-        	fontFormatting = new FontFormatting(in);
-          }
+	private static final BitField modificationBits = bf(0x83FFFFFF); // Bits: font,align,bord,patt,prot
+	private static final BitField alignHor      = bf(0x00000001); // 0 = Horizontal alignment modified
+	private static final BitField alignVer      = bf(0x00000002); // 0 = Vertical alignment modified
+	private static final BitField alignWrap     = bf(0x00000004); // 0 = Text wrapped flag modified
+	private static final BitField alignRot      = bf(0x00000008); // 0 = Text rotation modified
+	private static final BitField alignJustLast = bf(0x00000010); // 0 = Justify last line flag modified
+	private static final BitField alignIndent   = bf(0x00000020); // 0 = Indentation modified
+	private static final BitField alignShrin    = bf(0x00000040); // 0 = Shrink to fit flag modified
+	private static final BitField notUsed1      = bf(0x00000080); // Always 1
+	private static final BitField protLocked    = bf(0x00000100); // 0 = Cell locked flag modified
+	private static final BitField protHidden    = bf(0x00000200); // 0 = Cell hidden flag modified
+	private static final BitField bordLeft      = bf(0x00000400); // 0 = Left border style and colour modified
+	private static final BitField bordRight     = bf(0x00000800); // 0 = Right border style and colour modified
+	private static final BitField bordTop       = bf(0x00001000); // 0 = Top border style and colour modified
+	private static final BitField bordBot       = bf(0x00002000); // 0 = Bottom border style and colour modified
+	private static final BitField bordTlBr      = bf(0x00004000); // 0 = Top-left to bottom-right border flag modified
+	private static final BitField bordBlTr      = bf(0x00008000); // 0 = Bottom-left to top-right border flag modified
+	private static final BitField pattStyle     = bf(0x00010000); // 0 = Pattern style modified
+	private static final BitField pattCol       = bf(0x00020000); // 0 = Pattern colour modified
+	private static final BitField pattBgCol     = bf(0x00040000); // 0 = Pattern background colour modified
+	private static final BitField notUsed2      = bf(0x00380000); // Always 111
+	private static final BitField undocumented  = bf(0x03C00000); // Undocumented bits
+	private static final BitField fmtBlockBits  = bf(0x7C000000); // Bits: font,align,bord,patt,prot
+	private static final BitField font          = bf(0x04000000); // 1 = Record contains font formatting block
+	private static final BitField align         = bf(0x08000000); // 1 = Record contains alignment formatting block
+	private static final BitField bord          = bf(0x10000000); // 1 = Record contains border formatting block
+	private static final BitField patt          = bf(0x20000000); // 1 = Record contains pattern formatting block
+	private static final BitField prot          = bf(0x40000000); // 1 = Record contains protection formatting block
+	private static final BitField alignTextDir  = bf(0x80000000); // 0 = Text direction modified
 
-          if(containsBorderFormattingBlock())
-          {
-        	  borderFormatting = new BorderFormatting(in);
-          }
-		   
-          if( containsPatternFormattingBlock())
-          {
-        	  patternFormatting =  new PatternFormatting(in);
-          }
-          
-          if(field_3_formula1_len>0)
-          {
-              field_17_formula1 = Ptg.createParsedExpressionTokens(field_3_formula1_len, in);
-              
-              // Now convert any fields as required
-              field_17_formula1 = SharedFormulaRecord.convertSharedFormulas(
-                  field_17_formula1, 0, 0
-              );
-          }
-          if(field_4_formula2_len>0)
-          {
-              field_18_formula2 = Ptg.createParsedExpressionTokens(field_4_formula2_len, in);
-              
-              // Now convert any fields as required
-              field_18_formula2 = SharedFormulaRecord.convertSharedFormulas(
-                  field_18_formula2, 0, 0
-              );
-          }
-        } catch (java.lang.UnsupportedOperationException uoe)  {
-          throw new RecordFormatException(uoe);
-        }
-        
-    }
-    
-    public void setConditionType(byte conditionType)
-    {
-    	field_1_condition_type = 
-    		conditionType == CONDITION_TYPE_CELL_VALUE_IS ? 
-    			CONDITION_TYPE_CELL_VALUE_IS :
-				CONDITION_TYPE_FORMULA;
-    }
 
-    public byte getConditionType()
-    {
-    	return field_1_condition_type;
-    }
+	private static BitField bf(int i) {
+		return BitFieldFactory.getInstance(i);
+	}
 
-    /**
-     * set the option flags
-     *
-     * @param options  bitmask
-     */
+	private short field_6_not_used;
 
-    public void setOptions(int options)
-    {
-        field_5_options = options;
-    }
+	private FontFormatting fontFormatting;
 
-    public boolean containsFontFormattingBlock()
-    {
-    	return getOptionFlag(font);
-    }
-    public void setFontFormatting(FontFormatting fontFormatting)
-    {
-    	this.fontFormatting = fontFormatting;
-    	setOptionFlag(true,font);
-    }
-    public void setFontFormattingUnchanged()
-    {
-    	setOptionFlag(false,font);
-    }
-    
-    public boolean containsAlignFormattingBlock()
-    {
-    	return getOptionFlag(align);
-    }
-    public void setAlignFormattingUnchanged()
-    {
-    	setOptionFlag(false,align);
-    }
-    
-    public boolean containsBorderFormattingBlock()
-    {
-    	return getOptionFlag(bord);
-    }
-    public void setBorderFormatting(BorderFormatting borderFormatting)
-    {
-    	this.borderFormatting = borderFormatting;
-    	setOptionFlag(true,bord);
-    }
-    public void setBorderFormattingUnchanged()
-    {
-    	setOptionFlag(false,bord);
-    }
-    
-    public boolean containsPatternFormattingBlock()
-    {
-    	return getOptionFlag(patt);
-    }
-    public void setPatternFormatting(PatternFormatting patternFormatting)
-    {
-    	this.patternFormatting = patternFormatting;
-    	setOptionFlag(true,patt);
-    }
-    public void setPatternFormattingUnchanged()
-    {
-    	setOptionFlag(false,patt);
-    }
-    
-    public boolean containsProtectionFormattingBlock()
-    {
-    	return getOptionFlag(prot);
-    }
-    public void setProtectionFormattingUnchanged()
-    {
-    	setOptionFlag(false,prot);
-    }
-    
-    public void setComparisonOperation(byte operation)
-    {
-    	field_2_comparison_operator = operation;
-    }
+	private byte  field_8_align_text_break;
+	private byte  field_9_align_text_rotation_angle;
+	private short field_10_align_indentation;
+	private short field_11_relative_indentation;
+	private short field_12_not_used;
+	
+	private BorderFormatting borderFormatting;
 
-    public byte getComparisonOperation()
-    {
-    	return field_2_comparison_operator;
-    }
-    
-    /**
-     * set the length (in number of tokens) of the expression 1
-     * @param len  length
-     */
-
-    private void setExpression1Length(short len)
-    {
-        field_3_formula1_len = len;
-    }
-
-    /**
-     * get the length (in number of tokens) of the expression 1
-     * @return  expression length
-     */
-
-    public short getExpression1Length()
-    {
-        return field_3_formula1_len;
-    }
-    
-    /**
-     * set the length (in number of tokens) of the expression 2
-     * @param len  length
-     */
-
-    private void setExpression2Length(short len)
-    {
-    	field_4_formula2_len = len;
-    }
-
-    /**
-     * get the length (in number of tokens) of the expression 2
-     * @return  expression length
-     */
-
-    public short getExpression2Length()
-    {
-        return field_4_formula2_len;
-    }
-    /**
-     * get the option flags
-     *
-     * @return bit mask
-     */
-    public int getOptions()
-    {
-        return field_5_options;
-    }    
-
-    private boolean isModified(BitField field)
+	private PatternFormatting patternFormatting;
+	
+	private Ptg[] field_17_formula1;
+	private Ptg[] field_18_formula2;
+	
+	/** Creates new CFRuleRecord */
+	private CFRuleRecord(byte conditionType, byte comparisonOperation)
 	{
-    	return !field.isSet(field_5_options);
+		field_1_condition_type=conditionType;
+		field_2_comparison_operator=comparisonOperation;
+		field_3_formula1_len = (short)0;
+		field_4_formula2_len = (short)0;
+
+		// Set modification flags to 1: by default options are not modified
+		field_5_options = modificationBits.setValue(field_5_options, -1);
+		// Set formatting block flags to 0 (no formatting blocks)
+		field_5_options = fmtBlockBits.setValue(field_5_options, 0);
+		field_5_options = undocumented.clear(field_5_options);
+
+		field_6_not_used = (short)0x8002; // Excel seems to write this value, but it doesn't seem to care what it reads
+		fontFormatting=null;
+		field_8_align_text_break = 0;
+		field_9_align_text_rotation_angle = 0;
+		field_10_align_indentation = 0;
+		field_11_relative_indentation = 0;
+		field_12_not_used = 0;
+		borderFormatting=null;
+		patternFormatting=null;
+		field_17_formula1=null;
+		field_18_formula2=null;
+	}
+	
+	private CFRuleRecord(byte conditionType, byte comparisonOperation, Ptg[] formula1, Ptg[] formula2) {
+		this(conditionType, comparisonOperation); 
+		field_1_condition_type = CONDITION_TYPE_CELL_VALUE_IS;
+		field_2_comparison_operator = comparisonOperation;
+		setParsedExpression1(formula1);
+		setParsedExpression2(formula2);
+	}
+
+	/**
+	 * Creates a new comparison operation rule
+	 */
+	public static CFRuleRecord create(Workbook workbook, String formulaText) {
+		Ptg[] formula1 = parseFormula(formulaText, workbook);
+		return new CFRuleRecord(CONDITION_TYPE_FORMULA, ComparisonOperator.NO_COMPARISON,
+				formula1, null);
+	}
+	/**
+	 * Creates a new comparison operation rule
+	 */
+	public static CFRuleRecord create(Workbook workbook, byte comparisonOperation,
+			String formulaText1, String formulaText2) {
+		Ptg[] formula1 = parseFormula(formulaText1, workbook);
+		Ptg[] formula2 = parseFormula(formulaText2, workbook);
+		return new CFRuleRecord(CONDITION_TYPE_CELL_VALUE_IS, comparisonOperation, formula1, formula2);
+		
+	}
+
+	/**
+	 * Constructs a Formula record and sets its fields appropriately.
+	 * Note - id must be 0x06 (NOT 0x406 see MSKB #Q184647 for an 
+	 * "explanation of this bug in the documentation) or an exception
+	 *  will be throw upon validation
+	 *
+	 * @param in the RecordInputstream to read the record from
+	 */
+
+	public CFRuleRecord(RecordInputStream in)
+	{
+		super(in);
+	}
+
+
+
+	protected void fillFields(RecordInputStream in) {
+		try {
+			field_1_condition_type = in.readByte();
+			field_2_comparison_operator = in.readByte();
+			field_3_formula1_len = in.readShort();
+			field_4_formula2_len = in.readShort();
+			field_5_options = in.readInt();
+			field_6_not_used = in.readShort();
+
+			if (containsFontFormattingBlock()) {
+				fontFormatting = new FontFormatting(in);
+			}
+
+			if (containsBorderFormattingBlock()) {
+				borderFormatting = new BorderFormatting(in);
+			}
+
+			if (containsPatternFormattingBlock()) {
+				patternFormatting = new PatternFormatting(in);
+			}
+
+			if (field_3_formula1_len > 0) {
+				Stack ptgs = Ptg.createParsedExpressionTokens(field_3_formula1_len, in);
+				// Now convert any fields as required
+				ptgs = SharedFormulaRecord.convertSharedFormulas(ptgs, 0, 0);
+				field_17_formula1 = toArray(ptgs);
+			}
+			if (field_4_formula2_len > 0) {
+				Stack ptgs = Ptg.createParsedExpressionTokens(field_4_formula2_len, in);
+
+				// Now convert any fields as required
+				ptgs = SharedFormulaRecord.convertSharedFormulas(ptgs, 0, 0);
+				field_18_formula2 = toArray(ptgs);
+			}
+		} catch (java.lang.UnsupportedOperationException uoe) {
+			throw new RecordFormatException(uoe);
+		}
+
+	}
+
+	public byte getConditionType()
+	{
+		return field_1_condition_type;
+	}
+
+	public boolean containsFontFormattingBlock()
+	{
+		return getOptionFlag(font);
+	}
+	public void setFontFormatting(FontFormatting fontFormatting)
+	{
+		this.fontFormatting = fontFormatting;
+		setOptionFlag(fontFormatting != null, font);
+	}
+	
+	public boolean containsAlignFormattingBlock()
+	{
+		return getOptionFlag(align);
+	}
+	public void setAlignFormattingUnchanged()
+	{
+		setOptionFlag(false,align);
+	}
+	
+	public boolean containsBorderFormattingBlock()
+	{
+		return getOptionFlag(bord);
+	}
+	public void setBorderFormatting(BorderFormatting borderFormatting)
+	{
+		this.borderFormatting = borderFormatting;
+		setOptionFlag(borderFormatting != null, bord);
+	}
+	
+	public boolean containsPatternFormattingBlock()
+	{
+		return getOptionFlag(patt);
+	}
+	public void setPatternFormatting(PatternFormatting patternFormatting)
+	{
+		this.patternFormatting = patternFormatting;
+		setOptionFlag(patternFormatting!=null, patt);
+	}
+
+	
+	public boolean containsProtectionFormattingBlock()
+	{
+		return getOptionFlag(prot);
+	}
+	public void setProtectionFormattingUnchanged()
+	{
+		setOptionFlag(false,prot);
+	}
+	
+	public void setComparisonOperation(byte operation)
+	{
+		field_2_comparison_operator = operation;
+	}
+
+	public byte getComparisonOperation()
+	{
+		return field_2_comparison_operator;
+	}
+	
+
+	/**
+	 * get the length (in number of tokens) of the expression 1
+	 * @return  expression length
+	 */
+	private short getExpression1Length()
+	{
+		return field_3_formula1_len;
+	}
+	
+
+	/**
+	 * get the length (in number of tokens) of the expression 2
+	 * @return  expression length
+	 */
+	private short getExpression2Length()
+	{
+		return field_4_formula2_len;
+	}
+	/**
+	 * get the option flags
+	 *
+	 * @return bit mask
+	 */
+	public int getOptions()
+	{
+		return field_5_options;
+	}	
+
+	private boolean isModified(BitField field)
+	{
+		return !field.isSet(field_5_options);
 	}
 
 	private void setModified(boolean modified, BitField field)
@@ -365,7 +336,7 @@ public class CFRuleRecord extends Record
 	{
 		setModified(modified,bordLeft);
 	}
-    
+	
 	public boolean isRightBorderModified()
 	{
 		return isModified(bordRight);
@@ -375,7 +346,7 @@ public class CFRuleRecord extends Record
 	{
 		setModified(modified,bordRight);
 	}
-    
+	
 	public boolean isTopBorderModified()
 	{
 		return isModified(bordTop);
@@ -385,7 +356,7 @@ public class CFRuleRecord extends Record
 	{
 		setModified(modified,bordTop);
 	}
-    
+	
 	public boolean isBottomBorderModified()
 	{
 		return isModified(bordBot);
@@ -395,7 +366,7 @@ public class CFRuleRecord extends Record
 	{
 		setModified(modified,bordBot);
 	}
-    
+	
 	public boolean isTopLeftBottomRightBorderModified()
 	{
 		return isModified(bordTlBr);
@@ -405,7 +376,7 @@ public class CFRuleRecord extends Record
 	{
 		setModified(modified,bordTlBr);
 	}
-    
+	
 	public boolean isBottomLeftTopRightBorderModified()
 	{
 		return isModified(bordBlTr);
@@ -415,7 +386,7 @@ public class CFRuleRecord extends Record
 	{
 		setModified(modified,bordBlTr);
 	}
-    
+	
 	public boolean isPatternStyleModified()
 	{
 		return isModified(pattStyle);
@@ -446,9 +417,9 @@ public class CFRuleRecord extends Record
 		setModified(modified,pattBgCol);
 	}
 	
-    private boolean getOptionFlag(BitField field)
+	private boolean getOptionFlag(BitField field)
 	{
-    	return field.isSet(field_5_options);
+		return field.isSet(field_5_options);
 	}
 
 	private void setOptionFlag(boolean flag, BitField field)
@@ -456,202 +427,226 @@ public class CFRuleRecord extends Record
 		field_5_options = field.setBoolean(field_5_options, flag);
 	}
 	
-    /**
-     * get the stack of the 1st expression as a list
-     *
-     * @return list of tokens (casts stack to a list and returns it!)
-     * this method can return null is we are unable to create Ptgs from 
-     *     existing excel file
-     * callers should check for null!
-     */
+	/**
+	 * get the stack of the 1st expression as a list
+	 *
+	 * @return list of tokens (casts stack to a list and returns it!)
+	 * this method can return null is we are unable to create Ptgs from 
+	 *	 existing excel file
+	 * callers should check for null!
+	 */
 
-    public List getParsedExpression1()
-    {
-        return field_17_formula1;
-    }
+	public Ptg[] getParsedExpression1()
+	{
+		return field_17_formula1;
+	}
 
-    /**
-     * get the stack of the 2nd expression as a list
-     *
-     * @return list of tokens (casts stack to a list and returns it!)
-     * this method can return null is we are unable to create Ptgs from 
-     *     existing excel file
-     * callers should check for null!
-     */
+	/**
+	 * get the stack of the 2nd expression as a list
+	 *
+	 * @return list of tokens (casts stack to a list and returns it!)
+	 * this method can return null is we are unable to create Ptgs from 
+	 *	 existing excel file
+	 * callers should check for null!
+	 */
 
-    public List getParsedExpression2()
-    {
-        return field_18_formula2;
-    }
-    
-    public void setParsedExpression1(Stack ptgs) {
-      setExpression1Length(getTotalPtgSize(field_17_formula1 = ptgs));
-    }
+	public Ptg[] getParsedExpression2()
+	{
+		return field_18_formula2;
+	}
+	
+	private void setParsedExpression1(Ptg[] ptgs) {
+		short len = getTotalPtgSize(field_17_formula1 = ptgs);
+		field_3_formula1_len = len;
+	}
 
-    public void setParsedExpression2(Stack ptgs) {
-        setExpression1Length(getTotalPtgSize(field_18_formula2 = ptgs));
-    }
-    
-    /**
-     * called by constructor, should throw runtime exception in the event of a
-     * record passed with a differing ID.
-     *
-     * @param id alleged id for this record
-     */
+	private void setParsedExpression2(Ptg[] ptgs) {
+		short len = getTotalPtgSize(field_18_formula2 = ptgs);
+		field_4_formula2_len = len;
+	}
+	
+	/**
+	 * called by constructor, should throw runtime exception in the event of a
+	 * record passed with a differing ID.
+	 *
+	 * @param id alleged id for this record
+	 */
 
-    protected void validateSid(short id)
-    {
-        if (id != sid)
-        {
-            throw new RecordFormatException("NOT A CFRULE RECORD");
-        }
-    }
+	protected void validateSid(short id)
+	{
+		if (id != sid)
+		{
+			throw new RecordFormatException("NOT A CFRULE RECORD");
+		}
+	}
 
-    public short getSid()
-    {
-        return sid;
-    }
+	public short getSid()
+	{
+		return sid;
+	}
 
-    /**
-     * called by the class that is responsible for writing this sucker.
-     * Subclasses should implement this so that their data is passed back in a
-     * byte array.
-     *
-     * @param offset to begin writing at
-     * @param data byte array containing instance data
-     * @return number of bytes written
-     */
+	/**
+	 * called by the class that is responsible for writing this sucker.
+	 * Subclasses should implement this so that their data is passed back in a
+	 * byte array.
+	 *
+	 * @param offset to begin writing at
+	 * @param data byte array containing instance data
+	 * @return number of bytes written
+	 */
 
-    public int serialize(int offset, byte [] data)
-    {
-    	int recordsize = getRecordSize();
-        LittleEndian.putShort(data, 0 + offset, sid);
-        LittleEndian.putShort(data, 2 + offset, (short)(recordsize-4));
-        data[4 + offset] = field_1_condition_type;
-        data[5 + offset] = field_2_comparison_operator;
-        LittleEndian.putShort(data, 6 + offset, field_3_formula1_len);
-        LittleEndian.putShort(data, 8 + offset, field_4_formula2_len);
-        LittleEndian.putInt(data,  10 + offset, field_5_options);
-        LittleEndian.putShort(data,14 + offset, field_6_not_used);
-        
-        offset += 16;
-        
-        if( containsFontFormattingBlock() )
-        {
-        	byte[] fontFormattingRawRecord  = fontFormatting.getRawRecord();
-        	System.arraycopy(fontFormattingRawRecord, 0, data, offset, fontFormattingRawRecord.length);
-        	offset += fontFormattingRawRecord.length;
-        }
-        
-        if( containsBorderFormattingBlock())
-        {
-        	offset += borderFormatting.serialize(offset, data);
-        }
-        
-        if( containsPatternFormattingBlock() )
-        {
-        	offset += patternFormatting.serialize(offset, data);
-        }
-        
-        if (getExpression1Length()>0)
-        {
-            Ptg.serializePtgStack(this.field_17_formula1, data, offset);
-            offset += getExpression1Length();
-        }
+	public int serialize(int pOffset, byte [] data)
+	{
+		
+		int offset = pOffset;
+		int recordsize = getRecordSize();
+		LittleEndian.putShort(data, 0 + offset, sid);
+		LittleEndian.putShort(data, 2 + offset, (short)(recordsize-4));
+		data[4 + offset] = field_1_condition_type;
+		data[5 + offset] = field_2_comparison_operator;
+		LittleEndian.putShort(data, 6 + offset, field_3_formula1_len);
+		LittleEndian.putShort(data, 8 + offset, field_4_formula2_len);
+		LittleEndian.putInt(data,  10 + offset, field_5_options);
+		LittleEndian.putShort(data,14 + offset, field_6_not_used);
+		
+		offset += 16;
+		
+		if( containsFontFormattingBlock() )
+		{
+			byte[] fontFormattingRawRecord  = fontFormatting.getRawRecord();
+			System.arraycopy(fontFormattingRawRecord, 0, data, offset, fontFormattingRawRecord.length);
+			offset += fontFormattingRawRecord.length;
+		}
+		
+		if( containsBorderFormattingBlock())
+		{
+			offset += borderFormatting.serialize(offset, data);
+		}
+		
+		if( containsPatternFormattingBlock() )
+		{
+			offset += patternFormatting.serialize(offset, data);
+		}
+		
+		if (getExpression1Length()>0)
+		{
+			Ptg.serializePtgStack(convertToTokenStack(field_17_formula1), data, offset);
+			offset += getExpression1Length();
+		}
 
-        if (getExpression2Length()>0)
-        {
-            Ptg.serializePtgStack(this.field_18_formula2, data, offset);
-            offset += getExpression2Length();
-        }
-        return recordsize;
-    }
-    
-    
-    
+		if (getExpression2Length()>0)
+		{
+			Ptg.serializePtgStack(convertToTokenStack(field_18_formula2), data, offset);
+			offset += getExpression2Length();
+		}
+		if(offset - pOffset != recordsize) {
+			throw new IllegalStateException("write mismatch (" + (offset - pOffset) + "!=" + recordsize + ")");
+		}
+		return recordsize;
+	}
 
-    public int getRecordSize()
-    {
-        int retval =16+
-        			(containsFontFormattingBlock()?fontFormatting.getRawRecord().length:0)+
-        			(containsBorderFormattingBlock()?8:0)+
-        			(containsPatternFormattingBlock()?4:0)+
-        			getExpression1Length()+
-        			getExpression2Length()
-        			;
-        return retval;
-    }
 
-    private short getTotalPtgSize(List list)
-    {
-    	short  retval = 0;
-    	if( list!=null)
-    	{
-            for (int k = 0; k < list.size(); k++)
-            {
-                Ptg ptg = ( Ptg ) list.get(k);
+	public int getRecordSize()
+	{
+		int retval =16+
+					(containsFontFormattingBlock()?fontFormatting.getRawRecord().length:0)+
+					(containsBorderFormattingBlock()?8:0)+
+					(containsPatternFormattingBlock()?4:0)+
+					getExpression1Length()+
+					getExpression2Length()
+					;
+		return retval;
+	}
 
-                retval += ptg.getSize();
-            }
-    	}
-        return retval;
-    }
+	private short getTotalPtgSize(Ptg[] ptgs)
+	{
+		if( ptgs == null) {
+			return 0;
+		}
+		short  retval = 0;
+		for (int i = 0; i < ptgs.length; i++)
+		{
+			retval += ptgs[i].getSize();
+		}
+		return retval;
+	}
 
-    public String toString()
-    {
-        StringBuffer buffer = new StringBuffer();
-        buffer.append("[CFRULE]\n");
-        if( containsFontFormattingBlock())
-        {
-            buffer.append(fontFormatting.toString());
-        }
-        if( containsBorderFormattingBlock())
-        {
-            buffer.append(borderFormatting.toString());
-        }
-        if( containsPatternFormattingBlock())
-        {
-            buffer.append(patternFormatting.toString());
-        }
-        buffer.append("[/CFRULE]\n");
-        return buffer.toString();
-    }
-    
-    public Object clone() {
-      CFRuleRecord rec = new CFRuleRecord();
-      rec.field_1_condition_type= field_1_condition_type;
-      rec.field_2_comparison_operator = field_2_comparison_operator;
-      rec.field_3_formula1_len = field_3_formula1_len;
-      rec.field_4_formula2_len = field_4_formula2_len;
-      rec.field_5_options = field_5_options;
-      rec.field_6_not_used = field_6_not_used;
-      if( containsFontFormattingBlock())
-      {
-    	  rec.fontFormatting = (FontFormatting)fontFormatting.clone();
-      }
-      if( containsBorderFormattingBlock())
-      {
-    	  rec.borderFormatting = (BorderFormatting)borderFormatting.clone();
-      }
-      if( containsPatternFormattingBlock())
-      {
-    	  rec.patternFormatting = (PatternFormatting)patternFormatting.clone();
-      }
-      if( field_3_formula1_len>0)
-      {
-          rec.field_17_formula1 = (Stack)field_17_formula1.clone();
-      }
-      if( field_4_formula2_len>0)
-      {
-          rec.field_18_formula2 = (Stack)field_18_formula2.clone();
-      }
-      
-      return rec;
-    }
+	public String toString()
+	{
+		StringBuffer buffer = new StringBuffer();
+		buffer.append("[CFRULE]\n");
+		if( containsFontFormattingBlock())
+		{
+			buffer.append(fontFormatting.toString());
+		}
+		if( containsBorderFormattingBlock())
+		{
+			buffer.append(borderFormatting.toString());
+		}
+		if( containsPatternFormattingBlock())
+		{
+			buffer.append(patternFormatting.toString());
+		}
+		buffer.append("[/CFRULE]\n");
+		return buffer.toString();
+	}
+	
+	public Object clone() {
+		CFRuleRecord rec = new CFRuleRecord(field_1_condition_type, field_2_comparison_operator);
+		rec.field_3_formula1_len = field_3_formula1_len;
+		rec.field_4_formula2_len = field_4_formula2_len;
+		rec.field_5_options = field_5_options;
+		rec.field_6_not_used = field_6_not_used;
+		if (containsFontFormattingBlock()) {
+			rec.fontFormatting = (FontFormatting) fontFormatting.clone();
+		}
+		if (containsBorderFormattingBlock()) {
+			rec.borderFormatting = (BorderFormatting) borderFormatting.clone();
+		}
+		if (containsPatternFormattingBlock()) {
+			rec.patternFormatting = (PatternFormatting) patternFormatting.clone();
+		}
+		if (field_3_formula1_len > 0) {
+			rec.field_17_formula1 = (Ptg[]) field_17_formula1.clone();
+		}
+		if (field_4_formula2_len > 0) {
+			rec.field_18_formula2 = (Ptg[]) field_18_formula2.clone();
+		}
+
+		return rec;
+	}
 
 	public FontFormatting getFontFormatting()
 	{
 		return fontFormatting;
 	}
 
+	
+	/**
+	 * @return <code>null</code> if <tt>formula</tt> was null.
+	 */
+	private static Ptg[] parseFormula(String formula, Workbook workbook)
+	{
+		if(formula == null) {
+			return null;
+		}
+		return FormulaParser.parse(formula, workbook);
+	}
+
+	// TODO - treat formulas as token arrays instead of Stacks throughout the rest of POI
+	private static Stack convertToTokenStack(Ptg[] ptgs)
+	{
+		Stack parsedExpression = new Stack();
+		// fill the Ptg Stack with Ptgs of new formula
+		for (int k = 0; k < ptgs.length; k++) 
+		{
+			parsedExpression.push(ptgs[ k ]);
+		}
+		return parsedExpression;
+	}
+	private static Ptg[] toArray(Stack ptgs) {
+		Ptg[] result = new Ptg[ptgs.size()];
+		ptgs.toArray(result);
+		return result;
+	}
 }
diff --git a/src/java/org/apache/poi/hssf/record/aggregates/CFRecordsAggregate.java b/src/java/org/apache/poi/hssf/record/aggregates/CFRecordsAggregate.java
index d6e81c7ea..81154ebb2 100644
--- a/src/java/org/apache/poi/hssf/record/aggregates/CFRecordsAggregate.java
+++ b/src/java/org/apache/poi/hssf/record/aggregates/CFRecordsAggregate.java
@@ -24,6 +24,7 @@ import org.apache.poi.hssf.record.CFHeaderRecord;
 import org.apache.poi.hssf.record.CFRuleRecord;
 import org.apache.poi.hssf.record.Record;
 import org.apache.poi.hssf.record.RecordInputStream;
+import org.apache.poi.hssf.util.Region;
 import org.apache.poi.util.POILogFactory;
 import org.apache.poi.util.POILogger;
 
@@ -37,19 +38,38 @@ import org.apache.poi.util.POILogger;
  */
 public final class CFRecordsAggregate extends Record
 {
+	/** Excel allows up to 3 conditional formating rules */
+	private static final int MAX_CONDTIONAL_FORMAT_RULES = 3;
+
 	public final static short sid = -2008; // not a real BIFF record
 
-	private static POILogger  log = POILogFactory.getLogger(CFRecordsAggregate.class);
+	private static POILogger log = POILogFactory.getLogger(CFRecordsAggregate.class);
 
-	private CFHeaderRecord header;
+	private final CFHeaderRecord header;
 
-	// List of CFRuleRecord objects
+	/** List of CFRuleRecord objects */
 	private final List rules;
 
-	public CFRecordsAggregate()
-	{
-		header = null;
-		rules  = new ArrayList(3);
+	private CFRecordsAggregate(CFHeaderRecord pHeader, CFRuleRecord[] pRules) {
+		if(pHeader == null) {
+			throw new IllegalArgumentException("header must not be null");
+		}
+		if(pRules == null) {
+			throw new IllegalArgumentException("rules must not be null");
+		}
+		if(pRules.length > MAX_CONDTIONAL_FORMAT_RULES) {
+			throw new IllegalArgumentException("No more than " 
+					+ MAX_CONDTIONAL_FORMAT_RULES + " rules may be specified");
+		}
+		header = pHeader;
+		rules = new ArrayList(3);
+		for (int i = 0; i < pRules.length; i++) {
+			rules.add(pRules[i]);
+		}
+	}
+
+	public CFRecordsAggregate(Region[] regions, CFRuleRecord[] rules) {
+		this(new CFHeaderRecord(regions), rules);
 	}
 
 	/**
@@ -60,42 +80,46 @@ public final class CFRecordsAggregate extends Record
 	 */
 	public static CFRecordsAggregate createCFAggregate(List recs, int pOffset)
 	{
-
-		int offset = pOffset;
-		CFRecordsAggregate 	cfRecords  = new CFRecordsAggregate();
-		ArrayList 		records = new ArrayList(4);
-
-		Record rec = ( Record ) recs.get(offset++);
-
-		if (rec.getSid() == CFHeaderRecord.sid)
-		{
-			records.add(rec);
-			cfRecords.header = (CFHeaderRecord)rec;
-
-			int nRules = cfRecords.header.getNumberOfConditionalFormats();
-			int rulesCount = 0;
-			while(  offset<recs.size() &&
-					(rec = (Record)recs.get(offset++)).getSid() == CFRuleRecord.sid && 
-					rec instanceof CFRuleRecord &&
-					rulesCount++ < nRules
-				 )
-			{
-				records.add(rec);
-				cfRecords.rules.add(rec);
-			}
-
-			if (nRules != cfRecords.rules.size())
-			{
-				if (log.check(POILogger.DEBUG))
-				{
-					log.log(POILogger.DEBUG, "Expected  " + nRules + " Conditional Formats, "
-							+ "but found " + cfRecords.rules.size() + " rules");
-				}
-				cfRecords.header.setNumberOfConditionalFormats(nRules);
-			}
-
+		Record rec = ( Record ) recs.get(pOffset);
+		if (rec.getSid() != CFHeaderRecord.sid) {
+			throw new IllegalStateException("next record sid was " + rec.getSid() 
+					+ " instead of " + CFHeaderRecord.sid + " as expected");
 		}
-		return cfRecords;
+
+		CFHeaderRecord header = (CFHeaderRecord)rec;
+		int nRules = header.getNumberOfConditionalFormats();
+
+		CFRuleRecord[] rules = new CFRuleRecord[nRules];
+		int offset = pOffset;
+		int countFound = 0;
+		while (countFound < rules.length) {
+			offset++;
+			if(offset>=recs.size()) {
+				break;
+			}
+			rec = (Record)recs.get(offset);
+			if(rec instanceof CFRuleRecord) {
+				rules[countFound] = (CFRuleRecord) rec;
+				countFound++;
+			} else {
+				break;
+			}
+		}
+
+		if (countFound < nRules)
+		{ // TODO -(MAR-2008) can this ever happen? write junit 
+			
+			if (log.check(POILogger.DEBUG))
+			{
+				log.log(POILogger.DEBUG, "Expected  " + nRules + " Conditional Formats, "
+						+ "but found " + countFound + " rules");
+			}
+			header.setNumberOfConditionalFormats(nRules);
+			CFRuleRecord[] lessRules = new CFRuleRecord[countFound];
+			System.arraycopy(rules, 0, lessRules, 0, countFound);
+			rules = lessRules;
+		}
+		return new CFRecordsAggregate(header, rules);
 	}
 
 	/**
@@ -104,22 +128,17 @@ public final class CFRecordsAggregate extends Record
 	 */
 	public CFRecordsAggregate cloneCFAggregate()
 	{
-
-	  ArrayList records = new ArrayList(this.rules.size()+1);
 	  
-	  records.add(this.header.clone());
-	  
-	  for (int i=0; i<this.rules.size();i++) 
-	  {
-		Record rec = (Record)((Record)this.rules.get(i)).clone();
-		records.add(rec);
-	  }
-	  return createCFAggregate(records, 0);
+		CFRuleRecord[] newRecs = new CFRuleRecord[rules.size()];
+		for (int i = 0; i < newRecs.length; i++) {
+			newRecs[i] = (CFRuleRecord) getRule(i).clone();
+		}
+		return new CFRecordsAggregate((CFHeaderRecord) header.clone(), newRecs);
 	}
 
-	/** You never fill an aggregate */
 	protected void fillFields(RecordInputStream in)
 	{
+	     // You never fill an aggregate record
 	}
 
 	public short getSid()
@@ -139,17 +158,14 @@ public final class CFRecordsAggregate extends Record
 
 	public int serialize(int offset, byte[] data)
 	{
+		int nRules = rules.size();
+		header.setNumberOfConditionalFormats(nRules);
+
 		int pos = offset;
-		if( header != null && rules.size()>0 )
-		{
-			header.setNumberOfConditionalFormats(rules.size());
 
-			pos += (( Record ) header).serialize(pos, data);
-
-			for(Iterator itr = rules.iterator(); itr.hasNext();)
-			{
-				pos += (( Record ) itr.next()).serialize(pos, data);
-			}
+		pos += header.serialize(pos, data);
+		for(int i=0; i< nRules; i++) {
+			pos += getRule(i).serialize(pos, data);
 		}
 		return pos - offset;
 	}
@@ -160,19 +176,37 @@ public final class CFRecordsAggregate extends Record
 	}
 
 	/**
-	 * @return the header
+	 * @return the header. Never <code>null</code>.
 	 */
 	public CFHeaderRecord getHeader()
 	{
 		return header;
 	}
-
-	/**
-	 * @return the rules
-	 */
-	public List getRules()
-	{
-		return rules;
+	
+	private void checkRuleIndex(int idx) {
+		if(idx < 0 || idx >= rules.size()) {
+			throw new IllegalArgumentException("Bad rule record index (" + idx 
+					+ ") nRules=" + rules.size());
+		}
+	}
+	public CFRuleRecord getRule(int idx) {
+		checkRuleIndex(idx);
+		return (CFRuleRecord) rules.get(idx);
+	}
+	public void setRule(int idx, CFRuleRecord r) {
+		checkRuleIndex(idx);
+		rules.set(idx, r);
+	}
+	public void addRule(CFRuleRecord r) {
+		if(rules.size() >= MAX_CONDTIONAL_FORMAT_RULES) {
+			throw new IllegalStateException("Cannot have more than " 
+					+ MAX_CONDTIONAL_FORMAT_RULES + " conditional format rules");
+		}
+		rules.add(r);
+		header.setNumberOfConditionalFormats(rules.size());
+	}
+	public int getNumberOfRules() {
+		return rules.size();
 	}
 
 	/**
diff --git a/src/java/org/apache/poi/hssf/record/cf/CellRange.java b/src/java/org/apache/poi/hssf/record/cf/CellRange.java
index 88ec15b4a..16093ee58 100644
--- a/src/java/org/apache/poi/hssf/record/cf/CellRange.java
+++ b/src/java/org/apache/poi/hssf/record/cf/CellRange.java
@@ -17,79 +17,127 @@
 
 package org.apache.poi.hssf.record.cf;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import org.apache.poi.hssf.util.Region;
+
 /**
- * CellRange.java
- * Created on January 22, 2008, 10:05 PM
  * 
  * @author Dmitriy Kumshayev
  */
-
-public class CellRange
+public final class CellRange
 {
-    private int               field_1_first_row;
-    private int               field_2_last_row;
-    private short             field_3_first_column;
-    private short             field_4_last_column;
-    
-    public CellRange(int firstRow, int lastRow, short firstColumn, short lastColumn)
-    {
-		this.field_1_first_row = firstRow;
-		this.field_2_last_row = lastRow;
-		this.field_3_first_column = firstColumn;
-		this.field_4_last_column = lastColumn;
-		validateRegion();
+	/** 
+	 * max index for both row and column<p/>
+	 * 
+	 * Note - this value converts to <tt>-1</tt> when cast to a <tt>short</tt> 
+	 */
+	private static final int MAX_INDEX = Integer.MAX_VALUE;
+
+	private static final Region[] EMPTY_REGION_ARRAY = { };
+	
+	private int _firstRow;
+	private int _lastRow;
+	private int _firstColumn;
+	private int _lastColumn;
+	
+	/**
+	 * 
+	 * @param firstRow
+	 * @param lastRow pass <tt>-1</tt> for full column ranges
+	 * @param firstColumn
+	 * @param lastColumn  pass <tt>-1</tt> for full row ranges
+	 */
+	public CellRange(int firstRow, int lastRow, int firstColumn, int lastColumn)
+	{
+		if(!isValid(firstRow, lastRow, firstColumn, lastColumn)) {
+			throw new IllegalArgumentException("invalid cell range (" + firstRow + ", " + lastRow 
+					+ ", " + firstColumn + ", " + lastColumn + ")");
+		}
+		_firstRow = firstRow;
+		_lastRow = convertM1ToMax(lastRow);
+		_firstColumn = firstColumn;
+		_lastColumn = convertM1ToMax(lastColumn);
 	}
-    
-    private void validateRegion()
-    {
-    	if( field_1_first_row < 0 || 
-           	field_2_last_row < -1 ||
-        	field_3_first_column < 0 ||
-        	field_4_last_column < -1 ||
-        	field_2_last_row>=0 && field_2_last_row<field_1_first_row  || 
-        	field_4_last_column>=0 && field_4_last_column<field_3_first_column 
-    	)
-    	{
-    		throw new IllegalArgumentException("Invalid cell region "+toString());
-    	}
-    }
-    
+	
+	private static int convertM1ToMax(int lastIx) {
+		if(lastIx < 0) {
+			return MAX_INDEX;
+		}
+		return lastIx;
+	}
+	private static int convertMaxToM1(int lastIx) {
+		if(lastIx == MAX_INDEX) {
+			return -1;
+		}
+		return lastIx;
+	}
+
+	public boolean isFullColumnRange() {
+		return _firstColumn == 0 && _lastColumn == MAX_INDEX;
+	}
+	public boolean isFullRowRange() {
+		return _firstRow == 0 && _lastRow == MAX_INDEX;
+	}
+	
+	public CellRange(Region r) {
+		this(r.getRowFrom(), r.getRowTo(), r.getColumnFrom(), r.getColumnTo());
+	}
+
+	
+	
+	private static boolean isValid(int firstRow, int lastRow, int firstColumn, int lastColumn)
+	{
+		if(lastRow == -1) {
+			if(firstRow !=0) {
+				return false;
+			}
+		}
+		if(firstRow < 0 || lastRow < -1) {
+			return false;
+		}
+		
+		if(lastColumn == -1) {
+			if(firstColumn !=0) {
+				return false;
+			}
+		}
+		if(firstColumn < 0 || lastColumn < -1) {
+			return false;
+		}
+		return true;
+	}
+	
 	public int getFirstRow()
 	{
-		return field_1_first_row;
-	}
-	private void setFirstRow(int firstRow)
-	{
-		this.field_1_first_row = firstRow;
+		return _firstRow;
 	}
+	/**
+	 * @return <tt>-1</tt> for whole column ranges
+	 */
 	public int getLastRow()
 	{
-		return field_2_last_row;
+		return convertMaxToM1(_lastRow);
 	}
-	private void setLastRow(int lastRow)
+	public int getFirstColumn()
 	{
-		this.field_2_last_row = lastRow;
+		return _firstColumn;
 	}
-	public short getFirstColumn()
+	/**
+	 * @return <tt>-1</tt> for whole row ranges
+	 */
+	public int getLastColumn()
 	{
-		return field_3_first_column;
-	}
-	private void setFirstColumn(short firstColumn)
-	{
-		this.field_3_first_column = firstColumn;
-	}
-	public short getLastColumn()
-	{
-		return field_4_last_column;
-	}
-	private void setLastColumn(short lastColumn)
-	{
-		this.field_4_last_column = lastColumn;
+		return convertMaxToM1(_lastColumn);
 	}
 	
 	public static final int NO_INTERSECTION = 1;
 	public static final int OVERLAP = 2;
+	/** first range is within the second range */
 	public static final int INSIDE = 3;
+	/** first range encloses or is equal to the second */
 	public static final int ENCLOSES = 4;
 	
 	/**
@@ -101,30 +149,31 @@ public class CellRange
 	 * 		NO_INTERSECTION - the specified range is outside of this range;<br/> 
 	 * 		OVERLAP - both ranges partially overlap;<br/>
 	 * 		INSIDE - the specified range is inside of this one<br/>
-	 * 		ENCLOSES - the specified range encloses this range<br/>
+	 * 		ENCLOSES - the specified range encloses (possibly exactly the same as) this range<br/>
 	 */
 	public int intersect(CellRange another )
 	{
-		int   firstRow = another.getFirstRow();
-		int   lastRow  = another.getLastRow();
-		short firstCol = another.getFirstColumn();
-		short lastCol  = another.getLastColumn();
+		
+		int firstRow = another.getFirstRow();
+		int lastRow  = another.getLastRow();
+		int firstCol = another.getFirstColumn();
+		int lastCol  = another.getLastColumn();
 		
 		if
 		( 
-				gt(this.getFirstRow(),lastRow) || 
-				lt(this.getLastRow(),firstRow) ||
-				gt(this.getFirstColumn(),lastCol) || 
-				lt(this.getLastColumn(),firstCol) 
+				gt(getFirstRow(),lastRow) || 
+				lt(getLastRow(),firstRow) ||
+				gt(getFirstColumn(),lastCol) || 
+				lt(getLastColumn(),firstCol) 
 		)
 		{
 			return NO_INTERSECTION;
 		}
-		else if( this.contains(another) )
+		else if( contains(another) )
 		{
 			return INSIDE;
 		}
-		else if( another.contains(this) )
+		else if( another.contains(this))
 		{
 			return ENCLOSES;
 		}
@@ -134,7 +183,234 @@ public class CellRange
 		}
 			
 	}
+	
+	/**
+	 * Do all possible cell merges between cells of the list so that:<br>
+	 * 	<li>if a cell range is completely inside of another cell range, it gets removed from the list 
+	 * 	<li>if two cells have a shared border, merge them into one bigger cell range
+	 * @param cellRangeList
+	 * @return updated List of cell ranges
+	 */
+	public static CellRange[] mergeCellRanges(CellRange[] cellRanges) {
+		if(cellRanges.length < 1) {
+			return cellRanges;
+		}
+		List temp = mergeCellRanges(Arrays.asList(cellRanges));
+		return toArray(temp);
+	}
+	private static List mergeCellRanges(List cellRangeList)
+	{
+
+		while(cellRangeList.size() > 1)
+		{
+			boolean somethingGotMerged = false;
+			
+			for( int i=0; i<cellRangeList.size(); i++)
+			{
+				CellRange range1 = (CellRange)cellRangeList.get(i);
+				for( int j=i+1; j<cellRangeList.size(); j++)
+				{
+					CellRange range2 = (CellRange)cellRangeList.get(j);
+					
+					CellRange[] mergeResult = mergeRanges(range1, range2);
+					if(mergeResult == null) {
+						continue;
+					}
+					somethingGotMerged = true;
+					// overwrite range1 with first result 
+					cellRangeList.set(i, mergeResult[0]);
+					// remove range2
+					cellRangeList.remove(j--);
+					// add any extra results beyond the first
+					for(int k=1; k<mergeResult.length; k++) {
+						j++;
+						cellRangeList.add(j, mergeResult[k]);
+					}
+				}
+			}
+			if(!somethingGotMerged) {
+				break;
+			}
+		}
 		
+
+		return cellRangeList;
+	}
+	
+	/**
+	 * @return the new range(s) to replace the supplied ones.  <code>null</code> if no merge is possible
+	 */
+	private static CellRange[] mergeRanges(CellRange range1, CellRange range2) {
+		
+		int x = range1.intersect(range2);
+		switch(x)
+		{
+			case CellRange.NO_INTERSECTION: 
+				if( range1.hasExactSharedBorder(range2))
+				{
+					return new CellRange[] { range1.createEnclosingCellRange(range2), };
+				}
+				// else - No intersection and no shared border: do nothing 
+				return null;
+			case CellRange.OVERLAP:
+				return resolveRangeOverlap(range1, range2);
+			case CellRange.INSIDE:
+				// Remove range2, since it is completely inside of range1
+				return new CellRange[] { range1, };
+			case CellRange.ENCLOSES:
+				// range2 encloses range1, so replace it with the enclosing one
+				return new CellRange[] { range2, };
+		}
+		throw new RuntimeException("unexpected intersection result (" + x + ")");
+	}
+	
+	// TODO - write junit test for this
+	static CellRange[] resolveRangeOverlap(CellRange rangeA, CellRange rangeB) {
+		
+		if(rangeA.isFullColumnRange()) {
+			if(rangeB.isFullRowRange()) {
+				// Excel seems to leave these unresolved
+				return null;
+			}
+			return rangeA.sliceUp(rangeB);
+		}
+		if(rangeA.isFullRowRange()) {
+			if(rangeB.isFullColumnRange()) {
+				// Excel seems to leave these unresolved
+				return null;
+			}
+			return rangeA.sliceUp(rangeB);
+		}
+		if(rangeB.isFullColumnRange()) {
+			return rangeB.sliceUp(rangeA);
+		}
+		if(rangeB.isFullRowRange()) {
+			return rangeB.sliceUp(rangeA);
+		}
+		return rangeA.sliceUp(rangeB);
+	}
+
+	/**
+	 * @param range never a full row or full column range
+	 * @return an array including <b>this</b> <tt>CellRange</tt> and all parts of <tt>range</tt> 
+	 * outside of this range  
+	 */
+	private CellRange[] sliceUp(CellRange range) {
+		
+		List temp = new ArrayList();
+		
+		// Chop up range horizontally and vertically
+		temp.add(range);
+		if(!isFullColumnRange()) {
+			temp = cutHorizontally(_firstRow, temp);
+			temp = cutHorizontally(_lastRow+1, temp);
+		}
+		if(!isFullRowRange()) {
+			temp = cutVertically(_firstColumn, temp);
+			temp = cutVertically(_lastColumn+1, temp);
+		}
+		CellRange[] crParts = toArray(temp);
+
+		// form result array
+		temp.clear();
+		temp.add(this);
+		
+		for (int i = 0; i < crParts.length; i++) {
+			CellRange crPart = crParts[i];
+			// only include parts that are not enclosed by this
+			if(intersect(crPart) != ENCLOSES) {
+				temp.add(crPart);
+			}
+		}
+		return toArray(temp);
+	}
+
+	private static List cutHorizontally(int cutRow, List input) {
+		
+		List result = new ArrayList();
+		CellRange[] crs = toArray(input);
+		for (int i = 0; i < crs.length; i++) {
+			CellRange cr = crs[i];
+			if(cr._firstRow < cutRow && cutRow < cr._lastRow) {
+				result.add(new CellRange(cr._firstRow, cutRow, cr._firstColumn, cr._lastColumn));
+				result.add(new CellRange(cutRow+1, cr._lastRow, cr._firstColumn, cr._lastColumn));
+			} else {
+				result.add(cr);
+			}
+		}
+		return result;
+	}
+	private static List cutVertically(int cutColumn, List input) {
+		
+		List result = new ArrayList();
+		CellRange[] crs = toArray(input);
+		for (int i = 0; i < crs.length; i++) {
+			CellRange cr = crs[i];
+			if(cr._firstColumn < cutColumn && cutColumn < cr._lastColumn) {
+				result.add(new CellRange(cr._firstRow, cr._lastRow, cr._firstColumn, cutColumn));
+				result.add(new CellRange(cr._firstRow, cr._lastRow, cutColumn+1, cr._lastColumn));
+			} else {
+				result.add(cr);
+			}
+		}
+		return result;
+	}
+
+
+	private static CellRange[] toArray(List temp) {
+		CellRange[] result = new CellRange[temp.size()];
+		temp.toArray(result);
+		return result;
+	}
+
+	/**
+	 * Convert array of regions to a List of CellRange objects
+	 *  
+	 * @param regions
+	 * @return List of CellRange objects
+	 */
+	public static CellRange[] convertRegionsToCellRanges(Region[] regions)
+	{
+		CellRange[] result = new CellRange[regions.length];
+		for( int i=0; i<regions.length; i++)
+		{
+			result[i] = new CellRange(regions[i]);
+		}
+		return result;
+	}
+	
+	/**
+	 * Convert a List of CellRange objects to an array of regions 
+	 *  
+	 * @param List of CellRange objects
+	 * @return regions
+	 */
+	public static Region[] convertCellRangesToRegions(CellRange[] cellRanges)
+	{
+		int size = cellRanges.length;
+		if(size < 1) {
+			return EMPTY_REGION_ARRAY;
+		}
+		
+		Region[] result = new Region[size];
+
+		for (int i = 0; i != size; i++)
+		{
+			result[i] = cellRanges[i].convertToRegion();
+		}
+		return result;
+	}
+
+
+		
+	private Region convertToRegion() {
+		int lastRow = convertMaxToM1(_lastRow);
+		int lastColumn = convertMaxToM1(_lastColumn);
+		
+		return new Region(_firstRow, (short)_firstColumn, lastRow, (short)lastColumn);
+	}
+
+
 	/**
 	 *  Check if the specified range is located inside of this cell range.
 	 *  
@@ -145,44 +421,52 @@ public class CellRange
    {
 		int firstRow = range.getFirstRow();
 		int lastRow = range.getLastRow();
-		short firstCol = range.getFirstColumn();
-		short lastCol = range.getLastColumn();
-		return le(this.getFirstRow(), firstRow) && ge(this.getLastRow(), lastRow)
-				&& le(this.getFirstColumn(), firstCol) && ge(this.getLastColumn(), lastCol);
+		int firstCol = range.getFirstColumn();
+		int lastCol = range.getLastColumn();
+		return le(getFirstRow(), firstRow) && ge(getLastRow(), lastRow)
+				&& le(getFirstColumn(), firstCol) && ge(getLastColumn(), lastCol);
 	}
    
   	public boolean contains(int row, short column)
 	{
-		return le(this.getFirstRow(), row) && ge(this.getLastRow(), row)
-				&& le(this.getFirstColumn(), column) && ge(this.getLastColumn(), column);
+		return le(getFirstRow(), row) && ge(getLastRow(), row)
+				&& le(getFirstColumn(), column) && ge(getLastColumn(), column);
 	}
    	
    /**
-    * Check if the specified cell range has a shared border with the current range.
-    * 
-    * @return true if the ranges have a shared border.
-    */
-   	public boolean hasSharedBorder(CellRange range)
+	* Check if the specified cell range has a shared border with the current range.
+	* 
+	* @return <code>true</code> if the ranges have a complete shared border (i.e.
+	* the two ranges together make a simple rectangular region.
+	*/
+   	public boolean hasExactSharedBorder(CellRange range)
    	{
-		int   firstRow = range.getFirstRow();
-		int   lastRow  = range.getLastRow();
-		short firstCol = range.getFirstColumn();
-		short lastCol  = range.getLastColumn();
-		return 
-			(this.getFirstRow()>0 && this.getFirstRow() - 1 == lastRow || firstRow>0 &&this.getLastRow() == firstRow -1)&& 
-			(this.getFirstColumn() == firstCol) && 
-			(this.getLastColumn() == lastCol) 			||
-			(this.getFirstColumn()>0 && this.getFirstColumn() - 1 == lastCol || firstCol>0 && this.getLastColumn() == firstCol -1) && 
-			(this.getFirstRow() == firstRow) && 
-			(this.getLastRow() == lastRow)
-		;
+		int oFirstRow = range._firstRow;
+		int oLastRow  = range._lastRow;
+		int oFirstCol = range._firstColumn;
+		int oLastCol  = range._lastColumn;
+		
+		if (_firstRow > 0 && _firstRow-1 == oLastRow || 
+			oFirstRow > 0 && oFirstRow-1 == _lastRow) {
+			// ranges have a horizontal border in common
+			// make sure columns are identical:
+			return _firstColumn == oFirstCol && _lastColumn == oLastCol;
+		}
+
+		if (_firstColumn>0 && _firstColumn - 1 == oLastCol ||
+			oFirstCol>0 && _lastColumn == oFirstCol -1) {
+			// ranges have a vertical border in common
+			// make sure rows are identical:
+			return _firstRow == oFirstRow && _lastRow == oLastRow;
+		}
+		return false;
    	}
    	
-    /**
-     * Create an enclosing CellRange for the two cell ranges.
-     * 
-     * @return enclosing CellRange
-     */
+	/**
+	 * Create an enclosing CellRange for the two cell ranges.
+	 * 
+	 * @return enclosing CellRange
+	 */
 	public CellRange createEnclosingCellRange(CellRange range)
 	{
 		if( range == null)
@@ -206,18 +490,6 @@ public class CellRange
 	{
 		return new CellRange(getFirstRow(),getLastRow(),getFirstColumn(),getLastColumn());
 	}
-    	
-	/**
-	 * Copy data from antother cell range to this cell range
-	 * @param cr - another cell range
-	 */
-	public void setCellRange(CellRange cr)
-	{
-		setFirstRow(cr.getFirstRow());
-		setLastRow(cr.getLastRow());
-		setFirstColumn(cr.getFirstColumn());
-		setLastColumn(cr.getLastColumn());
-	}
 
 	/**
 	 * @return true if a < b
@@ -253,7 +525,7 @@ public class CellRange
 	
 	public String toString()
 	{
-		return "("+this.getFirstRow()+","+this.getLastRow()+","+this.getFirstColumn()+","+this.getLastColumn()+")";
+		return "("+getFirstRow()+","+getLastRow()+","+getFirstColumn()+","+getLastColumn()+")";
 	}
-    
+	
 }
diff --git a/src/java/org/apache/poi/hssf/usermodel/HSSFBorderFormatting.java b/src/java/org/apache/poi/hssf/usermodel/HSSFBorderFormatting.java
index 622f3a674..408c774b6 100644
--- a/src/java/org/apache/poi/hssf/usermodel/HSSFBorderFormatting.java
+++ b/src/java/org/apache/poi/hssf/usermodel/HSSFBorderFormatting.java
@@ -26,94 +26,39 @@ import org.apache.poi.hssf.record.cf.BorderFormatting;
  * @author Dmitriy Kumshayev
  *
  */
-public class HSSFBorderFormatting
+public final class HSSFBorderFormatting
 {
-    /**
-     * No border
-     */
+	/** No border */
+	public final static short BORDER_NONE =  BorderFormatting.BORDER_NONE;
+	/** Thin border */
+	public final static short BORDER_THIN =  BorderFormatting.BORDER_THIN;
+	/** Medium border */
+	public final static short BORDER_MEDIUM =  BorderFormatting.BORDER_MEDIUM;
+	/** dash border */
+	public final static short BORDER_DASHED =  BorderFormatting.BORDER_DASHED;
+	/** dot border */
+	public final static short BORDER_HAIR =  BorderFormatting.BORDER_HAIR;
+	/** Thick border */
+	public final static short BORDER_THICK =  BorderFormatting.BORDER_THICK;
+	/** double-line border */
+	public final static short BORDER_DOUBLE =  BorderFormatting.BORDER_DOUBLE;
+	/** hair-line border */
+	public final static short BORDER_DOTTED =  BorderFormatting.BORDER_DOTTED;
+	/** Medium dashed border */
+	public final static short BORDER_MEDIUM_DASHED =  BorderFormatting.BORDER_MEDIUM_DASHED;
+	/** dash-dot border */
+	public final static short BORDER_DASH_DOT =  BorderFormatting.BORDER_DASH_DOT;
+	/** medium dash-dot border */
+	public final static short BORDER_MEDIUM_DASH_DOT =  BorderFormatting.BORDER_MEDIUM_DASH_DOT;
+	/** dash-dot-dot border */
+	public final static short BORDER_DASH_DOT_DOT =  BorderFormatting.BORDER_DASH_DOT_DOT;
+	/** medium dash-dot-dot border */
+	public final static short BORDER_MEDIUM_DASH_DOT_DOT =  BorderFormatting.BORDER_MEDIUM_DASH_DOT_DOT;
+	/** slanted dash-dot border */
+	public final static short BORDER_SLANTED_DASH_DOT =  BorderFormatting.BORDER_SLANTED_DASH_DOT;
 
-    public final static short BORDER_NONE =  BorderFormatting.BORDER_NONE;
-
-    /**
-     * Thin border
-     */
-
-    public final static short BORDER_THIN =  BorderFormatting.BORDER_THIN;
-
-    /**
-     * Medium border
-     */
-
-    public final static short BORDER_MEDIUM =  BorderFormatting.BORDER_MEDIUM;
-
-    /**
-     * dash border
-     */
-
-    public final static short BORDER_DASHED =  BorderFormatting.BORDER_DASHED;
-
-    /**
-     * dot border
-     */
-
-    public final static short BORDER_HAIR =  BorderFormatting.BORDER_HAIR;
-
-    /**
-     * Thick border
-     */
-
-    public final static short BORDER_THICK =  BorderFormatting.BORDER_THICK;
-
-    /**
-     * double-line border
-     */
-
-    public final static short BORDER_DOUBLE =  BorderFormatting.BORDER_DOUBLE;
-
-    /**
-     * hair-line border
-     */
-
-    public final static short BORDER_DOTTED =  BorderFormatting.BORDER_DOTTED;
-
-    /**
-     * Medium dashed border
-     */
-
-    public final static short BORDER_MEDIUM_DASHED =  BorderFormatting.BORDER_MEDIUM_DASHED;
-
-    /**
-     * dash-dot border
-     */
-
-    public final static short BORDER_DASH_DOT =  BorderFormatting.BORDER_DASH_DOT;
-
-    /**
-     * medium dash-dot border
-     */
-
-    public final static short BORDER_MEDIUM_DASH_DOT =  BorderFormatting.BORDER_MEDIUM_DASH_DOT;
-
-    /**
-     * dash-dot-dot border
-     */
-
-    public final static short BORDER_DASH_DOT_DOT =  BorderFormatting.BORDER_DASH_DOT_DOT;
-
-    /**
-     * medium dash-dot-dot border
-     */
-
-    public final static short BORDER_MEDIUM_DASH_DOT_DOT =  BorderFormatting.BORDER_MEDIUM_DASH_DOT_DOT;
-
-    /**
-     * slanted dash-dot border
-     */
-
-    public final static short BORDER_SLANTED_DASH_DOT =  BorderFormatting.BORDER_SLANTED_DASH_DOT;
-
-    
-	private BorderFormatting borderFormatting;
+	
+	private final BorderFormatting borderFormatting;
 	
 	public HSSFBorderFormatting()
 	{
@@ -124,5 +69,124 @@ public class HSSFBorderFormatting
 	{
 		return borderFormatting;
 	}
-    
+
+	public short getBorderBottom()
+	{
+		return borderFormatting.getBorderBottom();
+	}
+
+	public short getBorderDiagonal()
+	{
+		return borderFormatting.getBorderDiagonal();
+	}
+
+	public short getBorderLeft()
+	{
+		return borderFormatting.getBorderLeft();
+	}
+
+	public short getBorderRight()
+	{
+		return borderFormatting.getBorderRight();
+	}
+
+	public short getBorderTop()
+	{
+		return borderFormatting.getBorderTop();
+	}
+
+	public short getBottomBorderColor()
+	{
+		return borderFormatting.getBottomBorderColor();
+	}
+
+	public short getDiagonalBorderColor()
+	{
+		return borderFormatting.getDiagonalBorderColor();
+	}
+
+	public short getLeftBorderColor()
+	{
+		return borderFormatting.getLeftBorderColor();
+	}
+
+	public short getRightBorderColor()
+	{
+		return borderFormatting.getRightBorderColor();
+	}
+
+	public short getTopBorderColor()
+	{
+		return borderFormatting.getTopBorderColor();
+	}
+
+	public boolean isBackwardDiagonalOn()
+	{
+		return borderFormatting.isBackwardDiagonalOn();
+	}
+
+	public boolean isForwardDiagonalOn()
+	{
+		return borderFormatting.isForwardDiagonalOn();
+	}
+
+	public void setBackwardDiagonalOn(boolean on)
+	{
+		borderFormatting.setBackwardDiagonalOn(on);
+	}
+
+	public void setBorderBottom(short border)
+	{
+		borderFormatting.setBorderBottom(border);
+	}
+
+	public void setBorderDiagonal(short border)
+	{
+		borderFormatting.setBorderDiagonal(border);
+	}
+
+	public void setBorderLeft(short border)
+	{
+		borderFormatting.setBorderLeft(border);
+	}
+
+	public void setBorderRight(short border)
+	{
+		borderFormatting.setBorderRight(border);
+	}
+
+	public void setBorderTop(short border)
+	{
+		borderFormatting.setBorderTop(border);
+	}
+
+	public void setBottomBorderColor(short color)
+	{
+		borderFormatting.setBottomBorderColor(color);
+	}
+
+	public void setDiagonalBorderColor(short color)
+	{
+		borderFormatting.setDiagonalBorderColor(color);
+	}
+
+	public void setForwardDiagonalOn(boolean on)
+	{
+		borderFormatting.setForwardDiagonalOn(on);
+	}
+
+	public void setLeftBorderColor(short color)
+	{
+		borderFormatting.setLeftBorderColor(color);
+	}
+
+	public void setRightBorderColor(short color)
+	{
+		borderFormatting.setRightBorderColor(color);
+	}
+
+	public void setTopBorderColor(short color)
+	{
+		borderFormatting.setTopBorderColor(color);
+	}
 }
diff --git a/src/java/org/apache/poi/hssf/usermodel/HSSFConditionalFormatting.java b/src/java/org/apache/poi/hssf/usermodel/HSSFConditionalFormatting.java
index c7018a0e1..d9e470a68 100644
--- a/src/java/org/apache/poi/hssf/usermodel/HSSFConditionalFormatting.java
+++ b/src/java/org/apache/poi/hssf/usermodel/HSSFConditionalFormatting.java
@@ -16,9 +16,7 @@
 ==================================================================== */
 package org.apache.poi.hssf.usermodel;
 
-import java.util.ArrayList;
-import java.util.List;
-
+import org.apache.poi.hssf.model.Workbook;
 import org.apache.poi.hssf.record.CFHeaderRecord;
 import org.apache.poi.hssf.record.CFRuleRecord;
 import org.apache.poi.hssf.record.aggregates.CFRecordsAggregate;
@@ -86,13 +84,9 @@ import org.apache.poi.hssf.util.Region;
  */
 public final class HSSFConditionalFormatting
 {
-	private final HSSFSheet sheet;
+	private final Workbook workbook;
 	private final CFRecordsAggregate cfAggregate;
 
-	HSSFConditionalFormatting(HSSFSheet sheet) {
-		this(sheet, new CFRecordsAggregate());
-	}
-
 	HSSFConditionalFormatting(HSSFSheet sheet, CFRecordsAggregate cfAggregate)
 	{
 		if(sheet == null) {
@@ -101,36 +95,25 @@ public final class HSSFConditionalFormatting
 		if(cfAggregate == null) {
 			throw new IllegalArgumentException("cfAggregate must not be null");
 		}
-		this.sheet = sheet;
+		workbook = sheet.workbook.getWorkbook();
 		this.cfAggregate = cfAggregate;
 	}
 	CFRecordsAggregate getCFRecordsAggregate() {
 		return cfAggregate;
 	}
 
-	public void setFormattingRegions(Region[] regions)
-	{
-		if( regions != null)
-		{
-			CFHeaderRecord header = cfAggregate.getHeader();
-			header.setCellRanges(mergeCellRanges(toCellRangeList(regions)));
-		}
-	}
-
 	/**
-	 * @return array of <tt>Region</tt>s. never <code>null</code>
+	 * @return array of <tt>Region</tt>s. never <code>null</code> 
 	 */
 	public Region[] getFormattingRegions()
 	{
 		CFHeaderRecord cfh = cfAggregate.getHeader();
-
-		List cellRanges = cfh.getCellRanges();
-
-		return toRegionArray(cellRanges);
+		CellRange[] cellRanges = cfh.getCellRanges();
+		return CellRange.convertCellRangesToRegions(cellRanges);
 	}
 
 	/**
-	 * set a Conditional Formatting rule at position idx. 
+	 * Replaces an existing Conditional Formatting rule at position idx. 
 	 * Excel allows to create up to 3 Conditional Formatting rules.
 	 * This method can be useful to modify existing  Conditional Formatting rules.
 	 * 
@@ -139,11 +122,7 @@ public final class HSSFConditionalFormatting
 	 */
 	public void setRule(int idx, HSSFConditionalFormattingRule cfRule)
 	{
-	    if (idx < 0 || idx > 2) {
-	        throw new IllegalArgumentException("idx must be between 0 and 2 but was (" 
-	                + idx + ")");
-	    }
-		cfAggregate.getRules().set(idx, cfRule);
+		cfAggregate.setRule(idx, cfRule.getCfRuleRecord());
 	}
 
 	/**
@@ -153,136 +132,24 @@ public final class HSSFConditionalFormatting
 	 */
 	public void addRule(HSSFConditionalFormattingRule cfRule)
 	{
-		cfAggregate.getRules().add(cfRule);
+		cfAggregate.addRule(cfRule.getCfRuleRecord());
 	}
 
 	/**
-	 * get a Conditional Formatting rule at position idx. 
-	 * @param idx
-	 * @return a Conditional Formatting rule at position idx.
+	 * @return the Conditional Formatting rule at position idx.
 	 */
 	public HSSFConditionalFormattingRule getRule(int idx)
 	{
-		CFRuleRecord ruleRecord = (CFRuleRecord)cfAggregate.getRules().get(idx);
-		return new HSSFConditionalFormattingRule(sheet.workbook, ruleRecord);
+		CFRuleRecord ruleRecord = cfAggregate.getRule(idx);
+		return new HSSFConditionalFormattingRule(workbook, ruleRecord);
 	}
 
 	/**
 	 * @return number of Conditional Formatting rules.
 	 */
-	public int getNumbOfRules()
+	public int getNumberOfRules()
 	{
-		return cfAggregate.getRules().size();
-	}
-
-
-	/**
-	 * Do all possible cell merges between cells of the list so that:<br>
-	 * 	<li>if a cell range is completely inside of another cell range, it gets removed from the list 
-	 * 	<li>if two cells have a shared border, merge them into one bigger cell range
-	 * @param cellRangeList
-	 * @return updated List of cell ranges
-	 */
-	private static List mergeCellRanges(List cellRangeList)
-	{
-		boolean merged = false;
-
-		do
-		{
-			merged = false;
-
-			if( cellRangeList.size()>1 )
-			{
-				for( int i=0; i<cellRangeList.size(); i++)
-				{
-					CellRange range1 = (CellRange)cellRangeList.get(i);
-					for( int j=i+1; j<cellRangeList.size(); j++)
-					{
-						CellRange range2 = (CellRange)cellRangeList.get(j);
-
-						switch(range1.intersect(range2))
-						{
-							case CellRange.NO_INTERSECTION: 
-							{
-								if( range1.hasSharedBorder(range2))
-								{
-									cellRangeList.set(i, range1.createEnclosingCellRange(range2));
-									cellRangeList.remove(j--);
-									merged = true;
-								}
-								else
-								{
-									// No intersection and no shared border: do nothing 
-								}
-								break;
-							}
-							case CellRange.OVERLAP:
-							{
-								// TODO split and re-merge the intersected area
-								break;
-							}
-							case CellRange.INSIDE:
-							{
-								// Remove range2, since it is completely inside of range1
-								cellRangeList.remove(j--);
-								merged = true;
-								break;
-							}
-							case CellRange.ENCLOSES:
-							{
-								// range2 encloses range1, so replace it with the enclosing one
-								cellRangeList.set(i, range2);
-								cellRangeList.remove(j--);
-								merged = true;
-								break;
-							}
-						}
-					}
-				}
-			}
-		}
-		while( merged );
-
-		return cellRangeList;
-	}
-
-	/**
-	 * Convert a List of CellRange objects to an array of regions 
-	 *  
-	 * @param List of CellRange objects
-	 * @return regions
-	 */
-	private static Region[] toRegionArray(List cellRanges)
-	{
-		int size = cellRanges.size();
-		Region[] regions = new Region[size];
-
-		for (int i = 0; i != size; i++)
-		{
-			CellRange cr = (CellRange) cellRanges.get(i);
-			regions[i] = new Region(cr.getFirstRow(), cr.getFirstColumn(), 
-					cr.getLastRow(), cr.getLastColumn());
-		}
-		return regions;
-	}
-
-	/**
-	 * Convert array of regions to a List of CellRange objects
-	 *  
-	 * @param regions
-	 * @return List of CellRange objects
-	 */
-	private static List toCellRangeList(Region[] regions)
-	{
-		List cellRangeList = new ArrayList();
-		for( int i=0; i<regions.length; i++)
-		{
-			Region r = regions[i];
-			CellRange cr = new CellRange(r.getRowFrom(), r.getRowTo(), r.getColumnFrom(), r
-					.getColumnTo());
-			cellRangeList.add(cr);
-		}
-		return cellRangeList;
+		return cfAggregate.getNumberOfRules();
 	}
 
 	public String toString()
diff --git a/src/java/org/apache/poi/hssf/usermodel/HSSFConditionalFormattingRule.java b/src/java/org/apache/poi/hssf/usermodel/HSSFConditionalFormattingRule.java
index 3d003dc49..8f220fdf6 100644
--- a/src/java/org/apache/poi/hssf/usermodel/HSSFConditionalFormattingRule.java
+++ b/src/java/org/apache/poi/hssf/usermodel/HSSFConditionalFormattingRule.java
@@ -18,231 +18,105 @@
 package org.apache.poi.hssf.usermodel;
 
 import java.util.List;
-import java.util.Stack;
 
 import org.apache.poi.hssf.model.FormulaParser;
+import org.apache.poi.hssf.model.Workbook;
 import org.apache.poi.hssf.record.CFRuleRecord;
+import org.apache.poi.hssf.record.CFRuleRecord.ComparisonOperator;
+import org.apache.poi.hssf.record.cf.BorderFormatting;
+import org.apache.poi.hssf.record.cf.FontFormatting;
+import org.apache.poi.hssf.record.cf.PatternFormatting;
 import org.apache.poi.hssf.record.formula.Ptg;
 
 /**
  * 
- * High level representation of Conditional Format  
+ * High level representation of Conditional Formatting Rule.
+ * It allows to specify formula based conditions for the Conditional Formatting
+ * and the formatting settings such as font, border and pattern.
  * 
  * @author Dmitriy Kumshayev
  */
 
-public class HSSFConditionalFormattingRule
+public final class HSSFConditionalFormattingRule
 {
-    public static final byte CELL_COMPARISON = CFRuleRecord.CONDITION_TYPE_CELL_VALUE_IS;
-    public static final byte FORMULA = CFRuleRecord.CONDITION_TYPE_FORMULA;
+    private static final byte CELL_COMPARISON = CFRuleRecord.CONDITION_TYPE_CELL_VALUE_IS;
+ 
 
-    public static final byte COMPARISON_OPERATOR_NO_COMPARISON = CFRuleRecord.COMPARISON_OPERATOR_NO_COMPARISON;
-    public static final byte COMPARISON_OPERATOR_BETWEEN 	   = CFRuleRecord.COMPARISON_OPERATOR_BETWEEN;
-    public static final byte COMPARISON_OPERATOR_NOT_BETWEEN   = CFRuleRecord.COMPARISON_OPERATOR_NOT_BETWEEN;
-    public static final byte COMPARISON_OPERATOR_EQUAL         = CFRuleRecord.COMPARISON_OPERATOR_EQUAL;
-    public static final byte COMPARISON_OPERATOR_NOT_EQUAL     = CFRuleRecord.COMPARISON_OPERATOR_NOT_EQUAL;
-    public static final byte COMPARISON_OPERATOR_GT            = CFRuleRecord.COMPARISON_OPERATOR_GT;
-    public static final byte COMPARISON_OPERATOR_LT            = CFRuleRecord.COMPARISON_OPERATOR_LT;
-    public static final byte COMPARISON_OPERATOR_GE            = CFRuleRecord.COMPARISON_OPERATOR_GE;
-    public static final byte COMPARISON_OPERATOR_LE            = CFRuleRecord.COMPARISON_OPERATOR_LE;
-    
-    
 
-	private CFRuleRecord cfRuleRecord;
-	private HSSFWorkbook workbook;
+
+	private final CFRuleRecord cfRuleRecord;
+	private final Workbook workbook;
+
+	HSSFConditionalFormattingRule(Workbook pWorkbook, CFRuleRecord pRuleRecord) {
+		workbook = pWorkbook;
+		cfRuleRecord = pRuleRecord;
+	}
+	HSSFConditionalFormattingRule(Workbook pWorkbook, CFRuleRecord pRuleRecord, 
+			HSSFFontFormatting fontFmt, HSSFBorderFormatting bordFmt, HSSFPatternFormatting patternFmt) {
+		this(pWorkbook, pRuleRecord);
+		setFontFormatting(fontFmt);
+		setBorderFormatting(bordFmt);
+		setPatternFormatting(patternFmt);
+	}
+
+	CFRuleRecord getCfRuleRecord()
+	{
+		return cfRuleRecord;
+	}
 	
-	protected HSSFConditionalFormattingRule(HSSFWorkbook workbook)
-	{
-		this.workbook = workbook;
-		this.cfRuleRecord = new CFRuleRecord();
-	}
-
-	protected HSSFConditionalFormattingRule(HSSFWorkbook workbook, CFRuleRecord cfRuleRecord)
-	{
-		this.workbook = workbook;
-		this.cfRuleRecord = cfRuleRecord;
-	}
-
-	/** 
-	 *  Keep Font Formatting unchanged for this Conditional Formatting Rule 
+	
+	/**
+	 * @param fontFmt pass <code>null</code> to signify 'font unchanged'
 	 */
-	public void setFontFormattingUnchanged()
+	public void setFontFormatting(HSSFFontFormatting fontFmt)
 	{
-		cfRuleRecord.setFontFormattingUnchanged();
+		FontFormatting block = fontFmt==null ? null : fontFmt.getFontFormattingBlock();
+		cfRuleRecord.setFontFormatting(block);
 	}
-	/** 
-	 *  Keep Border Formatting unchanged for this Conditional Formatting Rule 
+	/**
+	 * @param borderFmt pass <code>null</code> to signify 'border unchanged'
 	 */
-	public void setBorderFormattingUnchanged()
+	public void setBorderFormatting(HSSFBorderFormatting borderFmt)
 	{
-		cfRuleRecord.setBorderFormattingUnchanged();
+		BorderFormatting block = borderFmt==null ? null : borderFmt.getBorderFormattingBlock();
+		cfRuleRecord.setBorderFormatting(block);
 	}
-	/** 
-	 *  Keep Pattern Formatting unchanged for this Conditional Formatting Rule 
+	/**
+	 * @param patternFmt pass <code>null</code> to signify 'pattern unchanged'
 	 */
-	public void setPatternFormattingUnchanged()
+	public void setPatternFormatting(HSSFPatternFormatting patternFmt)
 	{
-		cfRuleRecord.setPatternFormattingUnchanged();
-	}
-	
-	public void setFontFormatting(HSSFFontFormatting fontFormatting)
-	{
-		if( fontFormatting!=null )
-		{
-			cfRuleRecord.setFontFormatting(fontFormatting.getFontFormattingBlock());
-		}
-		else
-		{
-			setFontFormattingUnchanged();
-		}
-	}
-	public void setBorderFormatting(HSSFBorderFormatting borderFormatting)
-	{
-		if( borderFormatting != null )
-		{
-			cfRuleRecord.setBorderFormatting(borderFormatting.getBorderFormattingBlock());
-		}
-		else
-		{
-			setBorderFormattingUnchanged();
-		}
-	}
-	public void setPatternFormatting(HSSFPatternFormatting patternFormatting)
-	{
-		if( patternFormatting != null)
-		{
-			cfRuleRecord.setPatternFormatting(patternFormatting.getPatternFormattingBlock());
-		}
-		else
-		{
-			setPatternFormattingUnchanged();
-		}
-	}
-	
-	public void setCellComparisonCondition(byte comparisonOperation, String formula1, String formula2)
-	{
-		cfRuleRecord.setConditionType(CELL_COMPARISON);
-		cfRuleRecord.setComparisonOperation(comparisonOperation);
-		
-		// Formula 1
-		setFormula1(formula1);
-		
-		// Formula 2
-		setFormula1(formula2);
-	}
-	
-	public void setFormulaCondition(String formula)
-	{
-		cfRuleRecord.setConditionType(FORMULA);
-		// Formula 1
-		setFormula1(formula);
-	}
-	
-	public void setFormula1(String formula)
-	{
-		// Formula 1
-		if( formula != null)
-		{
-		    Stack parsedExpression = parseFormula(formula);
-			if( parsedExpression != null )
-			{
-				cfRuleRecord.setParsedExpression1(parsedExpression);
-			}
-			else
-			{
-				cfRuleRecord.setParsedExpression1(null);
-			}
-		}
-		else
-		{
-			cfRuleRecord.setParsedExpression1(null);
-		}
-	}
-	
-	public void setFormula2(String formula)
-	{
-		// Formula 2
-		if( formula != null)
-		{
-		    Stack parsedExpression = parseFormula(formula);
-			if( parsedExpression != null )
-			{
-				cfRuleRecord.setParsedExpression2(parsedExpression);
-			}
-			else
-			{
-				cfRuleRecord.setParsedExpression2(null);
-			}
-		}
-		else
-		{
-			cfRuleRecord.setParsedExpression2(null);
-		}
+		PatternFormatting block = patternFmt==null ? null : patternFmt.getPatternFormattingBlock();
+		cfRuleRecord.setPatternFormatting(block);
 	}
 	
 	public String getFormula1()
 	{
-        return toFormulaString(cfRuleRecord.getParsedExpression1());
+		return toFormulaString(cfRuleRecord.getParsedExpression1());
 	}
 
 	public String getFormula2()
 	{
 		byte conditionType = cfRuleRecord.getConditionType();
-		switch(conditionType)
-		{
-			case CELL_COMPARISON:
+		if (conditionType == CELL_COMPARISON) {
+			byte comparisonOperation = cfRuleRecord.getComparisonOperation();
+			switch(comparisonOperation)
 			{
-				byte comparisonOperation = cfRuleRecord.getComparisonOperation();
-				switch(comparisonOperation)
-				{
-					case COMPARISON_OPERATOR_BETWEEN:
-					case COMPARISON_OPERATOR_NOT_BETWEEN:
-						return toFormulaString(cfRuleRecord.getParsedExpression2());
-				}
+				case ComparisonOperator.BETWEEN:
+				case ComparisonOperator.NOT_BETWEEN:
+					return toFormulaString(cfRuleRecord.getParsedExpression2());
 			}
 		}
 		return null;
 	}
 
-	private String toFormulaString(List parsedExpression)
+	private String toFormulaString(Ptg[] parsedExpression)
 	{
 		String formula = null;
 		if(parsedExpression!=null)
 		{
-	        formula = FormulaParser.toFormulaString(workbook.getWorkbook(),parsedExpression);
+		formula = FormulaParser.toFormulaString(workbook, parsedExpression);
 		}
 		return formula;
 	}
-	
-
-	private Stack parseFormula(String formula2)
-	{
-		FormulaParser parser = 
-			new FormulaParser(formula2, workbook.getWorkbook());
-		parser.parse();
-
-		Stack parsedExpression = convertToTokenStack(parser.getRPNPtg());
-	    parsedExpression = convertToTokenStack(parser.getRPNPtg());
-		return parsedExpression;
-	}
-
-	private static Stack convertToTokenStack(Ptg[] ptgs)
-	{
-		if( ptgs != null)
-		{
-			Stack parsedExpression = new Stack();
-			// fill the Ptg Stack with Ptgs of new formula
-			for (int k = 0; k < ptgs.length; k++) 
-			{
-			    parsedExpression.push(ptgs[ k ]);
-			}
-			return parsedExpression;
-		}
-		else
-		{
-			return null;
-		}
-	}
-	
-	
 }
diff --git a/src/java/org/apache/poi/hssf/usermodel/HSSFSheet.java b/src/java/org/apache/poi/hssf/usermodel/HSSFSheet.java
index 82cde5545..856ada170 100644
--- a/src/java/org/apache/poi/hssf/usermodel/HSSFSheet.java
+++ b/src/java/org/apache/poi/hssf/usermodel/HSSFSheet.java
@@ -1090,8 +1090,8 @@ public final class HSSFSheet {
      * @param leftcol the left column to show in desktop window pane
      */
     public void showInPane(short toprow, short leftcol){
-        this.sheet.setTopRow((short)toprow);
-        this.sheet.setLeftCol((short)leftcol);
+        this.sheet.setTopRow(toprow);
+        this.sheet.setLeftCol(leftcol);
         }
 
     /**
@@ -1438,7 +1438,7 @@ public final class HSSFSheet {
           int i = 0;
           while (iterator.hasNext()) {
             PageBreakRecord.Break breakItem = (PageBreakRecord.Break)iterator.next();
-            returnValue[i++] = (int)breakItem.main;
+            returnValue[i++] = breakItem.main;
           }
           return returnValue;
         }
@@ -1806,7 +1806,7 @@ public final class HSSFSheet {
      *
      * @return cell comment or <code>null</code> if not found
      */
-     public HSSFComment getCellComment(int row, int column){
+     public HSSFComment getCellComment(int row, int column) {
         // Don't call findCellComment directly, otherwise
         //  two calls to this method will result in two
         //  new HSSFComment instances, which is bad
@@ -1830,25 +1830,26 @@ public final class HSSFSheet {
       * with a cell comparison operator and
       * formatting rules such as font format, border format and pattern format
       *
-      * @param comparisonOperation - one of the following values: <p>
-      *         <li>{@link HSSFConditionalFormattingRule#COMPARISON_OPERATOR_BETWEEN}</li>
-      *         <li>{@link HSSFConditionalFormattingRule#COMPARISON_OPERATOR_NOT_BETWEEN}</li>
-      *         <li>{@link HSSFConditionalFormattingRule#COMPARISON_OPERATOR_EQUAL}</li>
-      *         <li>{@link HSSFConditionalFormattingRule#COMPARISON_OPERATOR_NOT_EQUAL}</li>
-      *         <li>{@link HSSFConditionalFormattingRule#COMPARISON_OPERATOR_GT}</li>
-      *         <li>{@link HSSFConditionalFormattingRule#COMPARISON_OPERATOR_LT}</li>
-      *         <li>{@link HSSFConditionalFormattingRule#COMPARISON_OPERATOR_GE}</li>
-      *         <li>{@link HSSFConditionalFormattingRule#COMPARISON_OPERATOR_LE}</li>
+      * @param comparisonOperation - a constant value from
+      *         <tt>{@link HSSFConditionalFormattingRule.ComparisonOperator}</tt>: <p>
+      * <ul>
+      *         <li>BETWEEN</li>
+      *         <li>NOT_BETWEEN</li>
+      *         <li>EQUAL</li>
+      *         <li>NOT_EQUAL</li>
+      *         <li>GT</li>
+      *         <li>LT</li>
+      *         <li>GE</li>
+      *         <li>LE</li>
+      * </ul>
       * </p>
       * @param formula1 - formula for the valued, compared with the cell
       * @param formula2 - second formula (only used with
       * {@link HSSFConditionalFormattingRule#COMPARISON_OPERATOR_BETWEEN}) and
       * {@link HSSFConditionalFormattingRule#COMPARISON_OPERATOR_NOT_BETWEEN} operations)
-      * @param fontFmt - font formatting rules
-      * @param bordFmt - border formatting rules
-      * @param patternFmt - pattern formatting rules
-      * @return
-      *
+      * @param fontFmt - font formatting rules (may be <code>null</code>)
+      * @param bordFmt - border formatting rules (may be <code>null</code>)
+      * @param patternFmt - pattern formatting rules (may be <code>null</code>)
       */
      public HSSFConditionalFormattingRule createConditionalFormattingRule(
              byte comparisonOperation,
@@ -1856,14 +1857,11 @@ public final class HSSFSheet {
              String formula2,
              HSSFFontFormatting fontFmt,
              HSSFBorderFormatting bordFmt,
-             HSSFPatternFormatting patternFmt)
-     {
-         HSSFConditionalFormattingRule cf = new HSSFConditionalFormattingRule(workbook);
-         cf.setFontFormatting(fontFmt);
-         cf.setBorderFormatting(bordFmt);
-         cf.setPatternFormatting(patternFmt);
-         cf.setCellComparisonCondition(comparisonOperation, formula1, formula2);
-         return cf;
+             HSSFPatternFormatting patternFmt) {
+    	 
+        Workbook wb = workbook.getWorkbook();
+        CFRuleRecord rr = CFRuleRecord.create(wb, comparisonOperation, formula1, formula2);
+        return new HSSFConditionalFormattingRule(wb, rr, fontFmt, bordFmt, patternFmt);
      }
 
      /**
@@ -1872,38 +1870,19 @@ public final class HSSFSheet {
       *
       * The formatting rules are applied by Excel when the value of the formula not equal to 0.
       *
-      * @param comparisonOperation - one of the following values: <p>
-      *         <li>{@link HSSFConditionalFormattingRule#COMPARISON_OPERATOR_BETWEEN}</li>
-      *         <li>{@link HSSFConditionalFormattingRule#COMPARISON_OPERATOR_NOT_BETWEEN}</li>
-      *         <li>{@link HSSFConditionalFormattingRule#COMPARISON_OPERATOR_EQUAL}</li>
-      *         <li>{@link HSSFConditionalFormattingRule#COMPARISON_OPERATOR_NOT_EQUAL}</li>
-      *         <li>{@link HSSFConditionalFormattingRule#COMPARISON_OPERATOR_GT}</li>
-      *         <li>{@link HSSFConditionalFormattingRule#COMPARISON_OPERATOR_LT}</li>
-      *         <li>{@link HSSFConditionalFormattingRule#COMPARISON_OPERATOR_GE}</li>
-      *         <li>{@link HSSFConditionalFormattingRule#COMPARISON_OPERATOR_LE}</li>
-      * </p>
-      * @param formula1 - formula for the valued, compared with the cell
-      * @param formula2 - second formula (only used with
-      * {@link HSSFConditionalFormattingRule#COMPARISON_OPERATOR_BETWEEN}) and
-      * {@link HSSFConditionalFormattingRule#COMPARISON_OPERATOR_NOT_BETWEEN} operations)
-      * @param fontFmt - font formatting rules
-      * @param bordFmt - border formatting rules
-      * @param patternFmt - pattern formatting rules
-      * @return
-      *
+      * @param formula - formula for the valued, compared with the cell
+      * @param fontFmt - font formatting rules (may be <code>null</code>)
+      * @param bordFmt - border formatting rules (may be <code>null</code>)
+      * @param patternFmt - pattern formatting rules (may be <code>null</code>)
       */
      public HSSFConditionalFormattingRule createConditionalFormattingRule(
              String formula,
              HSSFFontFormatting fontFmt,
              HSSFBorderFormatting bordFmt,
-             HSSFPatternFormatting patternFmt)
-     {
-         HSSFConditionalFormattingRule cf = new HSSFConditionalFormattingRule(workbook);
-         cf.setFontFormatting(fontFmt);
-         cf.setBorderFormatting(bordFmt);
-         cf.setPatternFormatting(patternFmt);
-         cf.setFormulaCondition(formula);
-         return cf;
+             HSSFPatternFormatting patternFmt) {
+         Workbook wb = workbook.getWorkbook();
+         CFRuleRecord rr = CFRuleRecord.create(wb, formula);
+         return new HSSFConditionalFormattingRule(wb, rr, fontFmt, bordFmt, patternFmt);
      }
 
      /**
@@ -1918,8 +1897,7 @@ public final class HSSFSheet {
       * @param cf HSSFConditionalFormatting object
       * @return index of the new Conditional Formatting object
       */
-     public int addConditionalFormatting( HSSFConditionalFormatting cf )
-     {
+     public int addConditionalFormatting( HSSFConditionalFormatting cf ) {
          CFRecordsAggregate cfraClone = cf.getCFRecordsAggregate().cloneCFAggregate();
 
          return sheet.addConditionalFormatting(cfraClone);
@@ -1929,46 +1907,46 @@ public final class HSSFSheet {
       * Allows to add a new Conditional Formatting set to the sheet.
       *
       * @param regions - list of rectangular regions to apply conditional formatting rules
-      * @param cfRules - set of up to three conditional formatting rules
+      * @param hcfRules - set of up to three conditional formatting rules
       *
       * @return index of the newly created Conditional Formatting object
       */
 
-     public int addConditionalFormatting( Region [] regions, HSSFConditionalFormattingRule [] cfRules )
-     {
-         HSSFConditionalFormatting cf = new HSSFConditionalFormatting(this);
-         cf.setFormattingRegions(regions);
-         if( cfRules != null )
-         {
-             for( int i=0; i!= cfRules.length; i++ )
-             {
-                 cf.addRule(cfRules[i]);
-             }
-         }
-         return sheet.addConditionalFormatting(cf.getCFRecordsAggregate());
+    public int addConditionalFormatting(Region [] regions, HSSFConditionalFormattingRule [] hcfRules) {
+        if (regions == null) {
+            throw new IllegalArgumentException("regions must not be null");
+        }
+        if (hcfRules == null) {
+            throw new IllegalArgumentException("hcfRules must not be null");
+        }
+
+        CFRuleRecord[] rules = new CFRuleRecord[hcfRules.length];
+        for (int i = 0; i != hcfRules.length; i++) {
+            rules[i] = hcfRules[i].getCfRuleRecord();
+        }
+        CFRecordsAggregate cfra = new CFRecordsAggregate(regions, rules);
+        return sheet.addConditionalFormatting(cfra);
      }
 
     /**
      * gets Conditional Formatting object at a particular index
-     * @param index of the Conditional Formatting object to fetch
+     * 
+     * @param index
+     *            of the Conditional Formatting object to fetch
      * @return Conditional Formatting object
      */
-
-    public HSSFConditionalFormatting getConditionalFormattingAt(int index)
-    {
+    public HSSFConditionalFormatting getConditionalFormattingAt(int index) {
         CFRecordsAggregate cf = sheet.getCFRecordsAggregateAt(index);
-        if( cf != null )
-        {
-            return new HSSFConditionalFormatting(this,cf);
+        if (cf == null) {
+            return null;
         }
-        return null;
+        return new HSSFConditionalFormatting(this,cf);
     }
 
     /**
      * @return number of Conditional Formatting objects of the sheet
      */
-    public int getNumConditionalFormattings()
-    {
+    public int getNumConditionalFormattings() {
         return sheet.getNumConditionalFormattings();
     }
 
@@ -1976,8 +1954,7 @@ public final class HSSFSheet {
      * removes a Conditional Formatting object by index
      * @param index of a Conditional Formatting object to remove
      */
-    public void removeConditionalFormatting(int index)
-    {
+    public void removeConditionalFormatting(int index) {
         sheet.removeConditionalFormatting(index);
     }
 }
diff --git a/src/testcases/org/apache/poi/hssf/record/AllRecordTests.java b/src/testcases/org/apache/poi/hssf/record/AllRecordTests.java
index 9da8f45eb..78954160f 100755
--- a/src/testcases/org/apache/poi/hssf/record/AllRecordTests.java
+++ b/src/testcases/org/apache/poi/hssf/record/AllRecordTests.java
@@ -17,6 +17,7 @@
 
 package org.apache.poi.hssf.record;
 
+import org.apache.poi.hssf.record.aggregates.AllRecordAggregateTests;
 import org.apache.poi.hssf.record.formula.AllFormulaTests;
 
 import junit.framework.Test;
@@ -33,6 +34,7 @@ public final class AllRecordTests {
 		TestSuite result = new TestSuite(AllRecordTests.class.getName());
 
 		result.addTest(AllFormulaTests.suite());
+		result.addTest(AllRecordAggregateTests.suite());
 		
 		result.addTestSuite(TestAreaFormatRecord.class);
 		result.addTestSuite(TestAreaRecord.class);
@@ -45,6 +47,8 @@ public final class AllRecordTests {
 		result.addTestSuite(TestBarRecord.class);
 		result.addTestSuite(TestBoundSheetRecord.class);
 		result.addTestSuite(TestCategorySeriesAxisRecord.class);
+		result.addTestSuite(TestCFHeaderRecord.class);
+		result.addTestSuite(TestCFRuleRecord.class);
 		result.addTestSuite(TestChartRecord.class);
 		result.addTestSuite(TestChartTitleFormatRecord.class);
 		result.addTestSuite(TestCommonObjectDataSubRecord.class);
diff --git a/src/testcases/org/apache/poi/hssf/record/TestCFHeaderRecord.java b/src/testcases/org/apache/poi/hssf/record/TestCFHeaderRecord.java
index c3e568479..2a6faaccd 100644
--- a/src/testcases/org/apache/poi/hssf/record/TestCFHeaderRecord.java
+++ b/src/testcases/org/apache/poi/hssf/record/TestCFHeaderRecord.java
@@ -17,9 +17,6 @@
 
 package org.apache.poi.hssf.record;
 
-import java.util.ArrayList;
-import java.util.List;
-
 import junit.framework.TestCase;
 
 import org.apache.poi.hssf.record.cf.CellRange;
@@ -30,116 +27,114 @@ import org.apache.poi.hssf.record.cf.CellRange;
  *
  * @author Dmitriy Kumshayev 
  */
-public class TestCFHeaderRecord
-        extends TestCase
+public final class TestCFHeaderRecord extends TestCase
 {
 
-    public TestCFHeaderRecord(String name)
-    {
-        super(name);
-    }
+	public void testCreateCFHeaderRecord () 
+	{
+		CFHeaderRecord record = new CFHeaderRecord();
+		CellRange[] ranges = {
+			new CellRange(0,-1,5,5),
+			new CellRange(0,-1,6,6),
+			new CellRange(0,1,0,1),
+			new CellRange(0,1,2,3),
+			new CellRange(2,3,0,1),
+			new CellRange(2,3,2,3),
+		};
+		record.setCellRanges(ranges);
+		ranges = record.getCellRanges();
+		assertEquals(6,ranges.length);
+		CellRange enclosingCellRange = record.getEnclosingCellRange();
+		assertEquals(0, enclosingCellRange.getFirstRow());
+		assertEquals(-1, enclosingCellRange.getLastRow());
+		assertEquals(0, enclosingCellRange.getFirstColumn());
+		assertEquals(6, enclosingCellRange.getLastColumn());
+		record.setNeedRecalculation(true);
+		assertTrue(record.getNeedRecalculation());
+		record.setNeedRecalculation(false);
+		assertFalse(record.getNeedRecalculation());
+	}
+	
+	public void testSerialization() {
+		byte[] recordData = new byte[]
+		{
+			(byte)0x03, (byte)0x00,
+			(byte)0x01,	(byte)0x00,
+			
+			(byte)0x00,	(byte)0x00,
+			(byte)0x03,	(byte)0x00,
+			(byte)0x00,	(byte)0x00,
+			(byte)0x03,	(byte)0x00,
+			
+			(byte)0x04,	(byte)0x00,
+			
+			(byte)0x00,	(byte)0x00,
+			(byte)0x01,	(byte)0x00,
+			(byte)0x00,	(byte)0x00,
+			(byte)0x01,	(byte)0x00,
+			
+			(byte)0x00,	(byte)0x00,
+			(byte)0x01,	(byte)0x00,
+			(byte)0x02,	(byte)0x00,
+			(byte)0x03,	(byte)0x00,
+			
+			(byte)0x02,	(byte)0x00,
+			(byte)0x03,	(byte)0x00,
+			(byte)0x00,	(byte)0x00,
+			(byte)0x01,	(byte)0x00,
+			
+			(byte)0x02,	(byte)0x00,
+			(byte)0x03,	(byte)0x00,
+			(byte)0x02,	(byte)0x00,
+			(byte)0x03,	(byte)0x00,
+		};
+
+		CFHeaderRecord record = new CFHeaderRecord(new TestcaseRecordInputStream(CFHeaderRecord.sid, (short)recordData.length, recordData));
+
+		assertEquals("#CFRULES", 3, record.getNumberOfConditionalFormats());
+		assertTrue(record.getNeedRecalculation());
+		CellRange enclosingCellRange = record.getEnclosingCellRange();
+		assertEquals(0, enclosingCellRange.getFirstRow());
+		assertEquals(3, enclosingCellRange.getLastRow());
+		assertEquals(0, enclosingCellRange.getFirstColumn());
+		assertEquals(3, enclosingCellRange.getLastColumn());
+		CellRange[] ranges = record.getCellRanges();
+		CellRange range0 = ranges[0];
+		assertEquals(0, range0.getFirstRow());
+		assertEquals(1, range0.getLastRow());
+		assertEquals(0, range0.getFirstColumn());
+		assertEquals(1, range0.getLastColumn());
+		CellRange range1 = ranges[1];
+		assertEquals(0, range1.getFirstRow());
+		assertEquals(1, range1.getLastRow());
+		assertEquals(2, range1.getFirstColumn());
+		assertEquals(3, range1.getLastColumn());
+		CellRange range2 = ranges[2];
+		assertEquals(2, range2.getFirstRow());
+		assertEquals(3, range2.getLastRow());
+		assertEquals(0, range2.getFirstColumn());
+		assertEquals(1, range2.getLastColumn());
+		CellRange range3 = ranges[3];
+		assertEquals(2, range3.getFirstRow());
+		assertEquals(3, range3.getLastRow());
+		assertEquals(2, range3.getFirstColumn());
+		assertEquals(3, range3.getLastColumn());
+		assertEquals(recordData.length+4, record.getRecordSize());
 
-    public void testCreateCFHeaderRecord () 
-    {
-        CFHeaderRecord record = new CFHeaderRecord();
-        List ranges = new ArrayList();
-        ranges.add(new CellRange(0,-1,(short)5,(short)5));
-        ranges.add(new CellRange(0,-1,(short)6,(short)6));
-        ranges.add(new CellRange(0,1,(short)0,(short)1));
-        ranges.add(new CellRange(0,1,(short)2,(short)3));
-        ranges.add(new CellRange(2,3,(short)0,(short)1));
-        ranges.add(new CellRange(2,3,(short)2,(short)3));
-        record.setCellRanges(ranges);
-        ranges = record.getCellRanges();
-        assertEquals(6,ranges.size());
-        CellRange enclosingCellRange = record.getEnclosingCellRange();
-        assertEquals(0, enclosingCellRange.getFirstRow());
-        assertEquals(-1, enclosingCellRange.getLastRow());
-        assertEquals(0, enclosingCellRange.getFirstColumn());
-        assertEquals(6, enclosingCellRange.getLastColumn());
-        record.setNeedRecalculation(true);
-        assertTrue(record.getNeedRecalculation());
-        record.setNeedRecalculation(false);
-        assertFalse(record.getNeedRecalculation());
-    }
-    
-    public void testSerialization() {
-    	byte[] recordData = new byte[]
-    	{
-       		(byte)0x03, (byte)0x00,
-       		(byte)0x01,	(byte)0x00,
-       		
-       		(byte)0x00,	(byte)0x00,
-       		(byte)0x03,	(byte)0x00,
-       		(byte)0x00,	(byte)0x00,
-       		(byte)0x03,	(byte)0x00,
-       		
-       		(byte)0x04,	(byte)0x00,
-       		
-       		(byte)0x00,	(byte)0x00,
-       		(byte)0x01,	(byte)0x00,
-       		(byte)0x00,	(byte)0x00,
-       		(byte)0x01,	(byte)0x00,
-       		
-       		(byte)0x00,	(byte)0x00,
-       		(byte)0x01,	(byte)0x00,
-       		(byte)0x02,	(byte)0x00,
-       		(byte)0x03,	(byte)0x00,
-       		
-       		(byte)0x02,	(byte)0x00,
-       		(byte)0x03,	(byte)0x00,
-       		(byte)0x00,	(byte)0x00,
-       		(byte)0x01,	(byte)0x00,
-       		
-       		(byte)0x02,	(byte)0x00,
-       		(byte)0x03,	(byte)0x00,
-       		(byte)0x02,	(byte)0x00,
-       		(byte)0x03,	(byte)0x00,
-    	};
-    	
-    	CFHeaderRecord record = new CFHeaderRecord(new TestcaseRecordInputStream(CFHeaderRecord.sid, (short)recordData.length, recordData));
-		
-    	assertEquals("#CFRULES", 3, record.getNumberOfConditionalFormats());
-    	assertTrue(record.getNeedRecalculation());
-        CellRange enclosingCellRange = record.getEnclosingCellRange();
-        assertEquals(0, enclosingCellRange.getFirstRow());
-        assertEquals(3, enclosingCellRange.getLastRow());
-        assertEquals(0, enclosingCellRange.getFirstColumn());
-        assertEquals(3, enclosingCellRange.getLastColumn());
-        List ranges = record.getCellRanges();
-        assertEquals(0, ((CellRange)ranges.get(0)).getFirstRow());
-        assertEquals(1, ((CellRange)ranges.get(0)).getLastRow());
-        assertEquals(0, ((CellRange)ranges.get(0)).getFirstColumn());
-        assertEquals(1, ((CellRange)ranges.get(0)).getLastColumn());
-        assertEquals(0, ((CellRange)ranges.get(1)).getFirstRow());
-        assertEquals(1, ((CellRange)ranges.get(1)).getLastRow());
-        assertEquals(2, ((CellRange)ranges.get(1)).getFirstColumn());
-        assertEquals(3, ((CellRange)ranges.get(1)).getLastColumn());
-        assertEquals(2, ((CellRange)ranges.get(2)).getFirstRow());
-        assertEquals(3, ((CellRange)ranges.get(2)).getLastRow());
-        assertEquals(0, ((CellRange)ranges.get(2)).getFirstColumn());
-        assertEquals(1, ((CellRange)ranges.get(2)).getLastColumn());
-        assertEquals(2, ((CellRange)ranges.get(3)).getFirstRow());
-        assertEquals(3, ((CellRange)ranges.get(3)).getLastRow());
-        assertEquals(2, ((CellRange)ranges.get(3)).getFirstColumn());
-        assertEquals(3, ((CellRange)ranges.get(3)).getLastColumn());
-        assertEquals(recordData.length+4, record.getRecordSize());
-    	
 		byte[] output = record.serialize();
-		
+
 		assertEquals("Output size", recordData.length+4, output.length); //includes sid+recordlength
-		
+
 		for (int i = 0; i < recordData.length;i++) 
 		{
 			assertEquals("CFHeaderRecord doesn't match", recordData[i], output[i+4]);
 		}
-    }
-    
-    
-    public static void main(String[] ignored_args)
+	}
+	
+
+	public static void main(String[] ignored_args)
 	{
 		System.out.println("Testing org.apache.poi.hssf.record.CFHeaderRecord");
 		junit.textui.TestRunner.run(TestCFHeaderRecord.class);
 	}
-    
 }
diff --git a/src/testcases/org/apache/poi/hssf/record/TestCFRuleRecord.java b/src/testcases/org/apache/poi/hssf/record/TestCFRuleRecord.java
index 77731d781..e65025a31 100644
--- a/src/testcases/org/apache/poi/hssf/record/TestCFRuleRecord.java
+++ b/src/testcases/org/apache/poi/hssf/record/TestCFRuleRecord.java
@@ -19,109 +19,107 @@ package org.apache.poi.hssf.record;
 
 import junit.framework.TestCase;
 
+import org.apache.poi.hssf.model.Workbook;
+import org.apache.poi.hssf.record.CFRuleRecord.ComparisonOperator;
 import org.apache.poi.hssf.record.cf.BorderFormatting;
 import org.apache.poi.hssf.record.cf.FontFormatting;
 import org.apache.poi.hssf.record.cf.PatternFormatting;
 import org.apache.poi.hssf.util.HSSFColor;
+import org.apache.poi.util.LittleEndian;
 
 /**
  * Tests the serialization and deserialization of the TestCFRuleRecord
- * class works correctly.  
+ * class works correctly.
  *
  * @author Dmitriy Kumshayev 
  */
-public class TestCFRuleRecord
-        extends TestCase
+public final class TestCFRuleRecord extends TestCase
 {
 
-    public TestCFRuleRecord(String name)
-    {
-        super(name);
-    }
+	public void testCreateCFRuleRecord () 
+	{
+		Workbook workbook = Workbook.createWorkbook();
+		CFRuleRecord record = CFRuleRecord.create(workbook, "7");
+		testCFRuleRecord(record);
 
-    public void testCreateCFRuleRecord () 
-    {
-    	CFRuleRecord record = new CFRuleRecord();
-    	testCFRuleRecord(record);
-    	
-    	// Serialize
-    	byte [] serializedRecord = record.serialize();
+		// Serialize
+		byte [] serializedRecord = record.serialize();
 
-    	// Strip header
-    	byte [] recordData = new byte[serializedRecord.length-4];
-   		System.arraycopy(serializedRecord, 4, recordData, 0, recordData.length);
-   		
-   		// Deserialize
-    	record = new CFRuleRecord(new TestcaseRecordInputStream(CFRuleRecord.sid, (short)recordData.length, recordData));
-    	
-    	// Serialize again
+		// Strip header
+		byte [] recordData = new byte[serializedRecord.length-4];
+		System.arraycopy(serializedRecord, 4, recordData, 0, recordData.length);
+
+		// Deserialize
+		record = new CFRuleRecord(new TestcaseRecordInputStream(CFRuleRecord.sid, (short)recordData.length, recordData));
+
+		// Serialize again
 		byte[] output = record.serialize();
-    	
+
 		// Compare
 		assertEquals("Output size", recordData.length+4, output.length); //includes sid+recordlength
-		
+
 		for (int i = 0; i < recordData.length;i++) 
 		{
 			assertEquals("CFRuleRecord doesn't match", recordData[i], output[i+4]);
 		}
-    }
+	}
 
 	private void testCFRuleRecord(CFRuleRecord record)
 	{
 		FontFormatting fontFormatting = new FontFormatting();
-    	testFontFormattingAccessors(fontFormatting);
-    	assertFalse(record.containsFontFormattingBlock());
-    	record.setFontFormatting(fontFormatting);
-    	assertTrue(record.containsFontFormattingBlock());
-    	
-    	BorderFormatting borderFormatting = new BorderFormatting();
-    	testBorderFormattingAccessors(borderFormatting);
-    	assertFalse(record.containsBorderFormattingBlock());
-    	record.setBorderFormatting(borderFormatting);
-    	assertTrue(record.containsBorderFormattingBlock());
-    	
-    	assertFalse(record.isLeftBorderModified());
-    	record.setLeftBorderModified(true);
-    	assertTrue(record.isLeftBorderModified());
-    	
-    	assertFalse(record.isRightBorderModified());
-    	record.setRightBorderModified(true);
-    	assertTrue(record.isRightBorderModified());
-    	
-    	assertFalse(record.isTopBorderModified());
-    	record.setTopBorderModified(true);
-    	assertTrue(record.isTopBorderModified());
-    	
-    	assertFalse(record.isBottomBorderModified());
-    	record.setBottomBorderModified(true);
-    	assertTrue(record.isBottomBorderModified());
-    	
-    	assertFalse(record.isTopLeftBottomRightBorderModified());
-    	record.setTopLeftBottomRightBorderModified(true);
-    	assertTrue(record.isTopLeftBottomRightBorderModified());
-    	
-    	assertFalse(record.isBottomLeftTopRightBorderModified());
-    	record.setBottomLeftTopRightBorderModified(true);
-    	assertTrue(record.isBottomLeftTopRightBorderModified());
-    	
-    	
-    	PatternFormatting patternFormatting = new PatternFormatting();
-    	testPatternFormattingAccessors(patternFormatting);
-    	assertFalse(record.containsPatternFormattingBlock());
-    	record.setPatternFormatting(patternFormatting);
-    	assertTrue(record.containsPatternFormattingBlock());
-    	
-    	assertFalse(record.isPatternBackgroundColorModified());
-    	record.setPatternBackgroundColorModified(true);
-    	assertTrue(record.isPatternBackgroundColorModified());
-    	
-    	assertFalse(record.isPatternColorModified());
-    	record.setPatternColorModified(true);
-    	assertTrue(record.isPatternColorModified());
+		testFontFormattingAccessors(fontFormatting);
+		assertFalse(record.containsFontFormattingBlock());
+		record.setFontFormatting(fontFormatting);
+		assertTrue(record.containsFontFormattingBlock());
 
-    	assertFalse(record.isPatternStyleModified());
-    	record.setPatternStyleModified(true);
-    	assertTrue(record.isPatternStyleModified());
+		BorderFormatting borderFormatting = new BorderFormatting();
+		testBorderFormattingAccessors(borderFormatting);
+		assertFalse(record.containsBorderFormattingBlock());
+		record.setBorderFormatting(borderFormatting);
+		assertTrue(record.containsBorderFormattingBlock());
+
+		assertFalse(record.isLeftBorderModified());
+		record.setLeftBorderModified(true);
+		assertTrue(record.isLeftBorderModified());
+
+		assertFalse(record.isRightBorderModified());
+		record.setRightBorderModified(true);
+		assertTrue(record.isRightBorderModified());
+
+		assertFalse(record.isTopBorderModified());
+		record.setTopBorderModified(true);
+		assertTrue(record.isTopBorderModified());
+
+		assertFalse(record.isBottomBorderModified());
+		record.setBottomBorderModified(true);
+		assertTrue(record.isBottomBorderModified());
+
+		assertFalse(record.isTopLeftBottomRightBorderModified());
+		record.setTopLeftBottomRightBorderModified(true);
+		assertTrue(record.isTopLeftBottomRightBorderModified());
+
+		assertFalse(record.isBottomLeftTopRightBorderModified());
+		record.setBottomLeftTopRightBorderModified(true);
+		assertTrue(record.isBottomLeftTopRightBorderModified());
+
+
+		PatternFormatting patternFormatting = new PatternFormatting();
+		testPatternFormattingAccessors(patternFormatting);
+		assertFalse(record.containsPatternFormattingBlock());
+		record.setPatternFormatting(patternFormatting);
+		assertTrue(record.containsPatternFormattingBlock());
+
+		assertFalse(record.isPatternBackgroundColorModified());
+		record.setPatternBackgroundColorModified(true);
+		assertTrue(record.isPatternBackgroundColorModified());
+
+		assertFalse(record.isPatternColorModified());
+		record.setPatternColorModified(true);
+		assertTrue(record.isPatternColorModified());
+
+		assertFalse(record.isPatternStyleModified());
+		record.setPatternStyleModified(true);
+		assertTrue(record.isPatternStyleModified());
 	}
 
 	private void testPatternFormattingAccessors(PatternFormatting patternFormatting)
@@ -131,10 +129,9 @@ public class TestCFRuleRecord
 
 		patternFormatting.setFillForegroundColor(HSSFColor.INDIGO.index);
 		assertEquals(HSSFColor.INDIGO.index,patternFormatting.getFillForegroundColor());
-		
+
 		patternFormatting.setFillPattern(PatternFormatting.DIAMONDS);
 		assertEquals(PatternFormatting.DIAMONDS,patternFormatting.getFillPattern());
-		
 	}
 	
 	private void testBorderFormattingAccessors(BorderFormatting borderFormatting)
@@ -143,13 +140,13 @@ public class TestCFRuleRecord
 		assertFalse(borderFormatting.isBackwardDiagonalOn());
 		borderFormatting.setBackwardDiagonalOn(true);
 		assertTrue(borderFormatting.isBackwardDiagonalOn());
-		
+
 		borderFormatting.setBorderBottom(BorderFormatting.BORDER_DOTTED);
 		assertEquals(BorderFormatting.BORDER_DOTTED, borderFormatting.getBorderBottom());
-		
+
 		borderFormatting.setBorderDiagonal(BorderFormatting.BORDER_MEDIUM);
 		assertEquals(BorderFormatting.BORDER_MEDIUM, borderFormatting.getBorderDiagonal());
-		
+
 		borderFormatting.setBorderLeft(BorderFormatting.BORDER_MEDIUM_DASH_DOT_DOT);
 		assertEquals(BorderFormatting.BORDER_MEDIUM_DASH_DOT_DOT, borderFormatting.getBorderLeft());
 
@@ -178,119 +175,137 @@ public class TestCFRuleRecord
 		borderFormatting.setTopBorderColor(HSSFColor.GOLD.index);
 		assertEquals(HSSFColor.GOLD.index, borderFormatting.getTopBorderColor());
 	}
-    
-    
+
+
 	private void testFontFormattingAccessors(FontFormatting fontFormatting)
 	{
 		// Check for defaults
-    	assertFalse(fontFormatting.isEscapementTypeModified());
-    	assertFalse(fontFormatting.isFontCancellationModified());
-    	assertFalse(fontFormatting.isFontCondenseModified());
-    	assertFalse(fontFormatting.isFontOutlineModified());
-    	assertFalse(fontFormatting.isFontShadowModified());
-    	assertFalse(fontFormatting.isFontStyleModified());
-    	assertFalse(fontFormatting.isUnderlineTypeModified());
-    	
-    	assertFalse(fontFormatting.isBold());
-    	assertFalse(fontFormatting.isCondenseOn());
-    	assertFalse(fontFormatting.isItalic());
-    	assertFalse(fontFormatting.isOutlineOn());
-    	assertFalse(fontFormatting.isShadowOn());
-    	assertFalse(fontFormatting.isStruckout());
+		assertFalse(fontFormatting.isEscapementTypeModified());
+		assertFalse(fontFormatting.isFontCancellationModified());
+		assertFalse(fontFormatting.isFontCondenseModified());
+		assertFalse(fontFormatting.isFontOutlineModified());
+		assertFalse(fontFormatting.isFontShadowModified());
+		assertFalse(fontFormatting.isFontStyleModified());
+		assertFalse(fontFormatting.isUnderlineTypeModified());
 
-    	assertEquals(0, fontFormatting.getEscapementType());
-    	assertEquals(-1, fontFormatting.getFontColorIndex());
-    	assertEquals(-1, fontFormatting.getFontHeight());
-    	assertEquals(400, fontFormatting.getFontWeight());
-    	assertEquals(0, fontFormatting.getUnderlineType());
-    	
-    	fontFormatting.setBold(true);
-    	assertTrue(fontFormatting.isBold());
-    	fontFormatting.setBold(false);
-    	assertFalse(fontFormatting.isBold());
-    	
-    	fontFormatting.setCondense(true);
-    	assertTrue(fontFormatting.isCondenseOn());
-    	fontFormatting.setCondense(false);
-    	assertFalse(fontFormatting.isCondenseOn());
-    	
-    	fontFormatting.setEscapementType(FontFormatting.SS_SUB);
-    	assertEquals(FontFormatting.SS_SUB, fontFormatting.getEscapementType());
-    	fontFormatting.setEscapementType(FontFormatting.SS_SUPER);
-    	assertEquals(FontFormatting.SS_SUPER, fontFormatting.getEscapementType());
-    	fontFormatting.setEscapementType(FontFormatting.SS_NONE);
-    	assertEquals(FontFormatting.SS_NONE, fontFormatting.getEscapementType());
-    	
-    	fontFormatting.setEscapementTypeModified(false);
-    	assertFalse(fontFormatting.isEscapementTypeModified());
-    	fontFormatting.setEscapementTypeModified(true);
-    	assertTrue(fontFormatting.isEscapementTypeModified());
+		assertFalse(fontFormatting.isBold());
+		assertFalse(fontFormatting.isCondenseOn());
+		assertFalse(fontFormatting.isItalic());
+		assertFalse(fontFormatting.isOutlineOn());
+		assertFalse(fontFormatting.isShadowOn());
+		assertFalse(fontFormatting.isStruckout());
 
-    	fontFormatting.setFontCancellationModified(false);
-    	assertFalse(fontFormatting.isFontCancellationModified());
-    	fontFormatting.setFontCancellationModified(true);
-    	assertTrue(fontFormatting.isFontCancellationModified());
-    	
-    	fontFormatting.setFontColorIndex((short)10);
-    	assertEquals(10,fontFormatting.getFontColorIndex());
+		assertEquals(0, fontFormatting.getEscapementType());
+		assertEquals(-1, fontFormatting.getFontColorIndex());
+		assertEquals(-1, fontFormatting.getFontHeight());
+		assertEquals(400, fontFormatting.getFontWeight());
+		assertEquals(0, fontFormatting.getUnderlineType());
 
-    	fontFormatting.setFontCondenseModified(false);
-    	assertFalse(fontFormatting.isFontCondenseModified());
-    	fontFormatting.setFontCondenseModified(true);
-    	assertTrue(fontFormatting.isFontCondenseModified());
-    	
-    	fontFormatting.setFontHeight((short)100);
-    	assertEquals(100,fontFormatting.getFontHeight());
-    	
-    	fontFormatting.setFontOutlineModified(false);
-    	assertFalse(fontFormatting.isFontOutlineModified());
-    	fontFormatting.setFontOutlineModified(true);
-    	assertTrue(fontFormatting.isFontOutlineModified());
+		fontFormatting.setBold(true);
+		assertTrue(fontFormatting.isBold());
+		fontFormatting.setBold(false);
+		assertFalse(fontFormatting.isBold());
 
-    	fontFormatting.setFontShadowModified(false);
-    	assertFalse(fontFormatting.isFontShadowModified());
-    	fontFormatting.setFontShadowModified(true);
-    	assertTrue(fontFormatting.isFontShadowModified());
+		fontFormatting.setCondense(true);
+		assertTrue(fontFormatting.isCondenseOn());
+		fontFormatting.setCondense(false);
+		assertFalse(fontFormatting.isCondenseOn());
 
-    	fontFormatting.setFontStyleModified(false);
-    	assertFalse(fontFormatting.isFontStyleModified());
-    	fontFormatting.setFontStyleModified(true);
-    	assertTrue(fontFormatting.isFontStyleModified());
+		fontFormatting.setEscapementType(FontFormatting.SS_SUB);
+		assertEquals(FontFormatting.SS_SUB, fontFormatting.getEscapementType());
+		fontFormatting.setEscapementType(FontFormatting.SS_SUPER);
+		assertEquals(FontFormatting.SS_SUPER, fontFormatting.getEscapementType());
+		fontFormatting.setEscapementType(FontFormatting.SS_NONE);
+		assertEquals(FontFormatting.SS_NONE, fontFormatting.getEscapementType());
 
-    	fontFormatting.setItalic(false);
-    	assertFalse(fontFormatting.isItalic());
-    	fontFormatting.setItalic(true);
-    	assertTrue(fontFormatting.isItalic());
+		fontFormatting.setEscapementTypeModified(false);
+		assertFalse(fontFormatting.isEscapementTypeModified());
+		fontFormatting.setEscapementTypeModified(true);
+		assertTrue(fontFormatting.isEscapementTypeModified());
 
-    	fontFormatting.setOutline(false);
-    	assertFalse(fontFormatting.isOutlineOn());
-    	fontFormatting.setOutline(true);
-    	assertTrue(fontFormatting.isOutlineOn());
+		fontFormatting.setFontCancellationModified(false);
+		assertFalse(fontFormatting.isFontCancellationModified());
+		fontFormatting.setFontCancellationModified(true);
+		assertTrue(fontFormatting.isFontCancellationModified());
 
-    	fontFormatting.setShadow(false);
-    	assertFalse(fontFormatting.isShadowOn());
-    	fontFormatting.setShadow(true);
-    	assertTrue(fontFormatting.isShadowOn());
-    	
-    	fontFormatting.setStrikeout(false);
-    	assertFalse(fontFormatting.isStruckout());
-    	fontFormatting.setStrikeout(true);
-    	assertTrue(fontFormatting.isStruckout());
-    	
-    	fontFormatting.setUnderlineType(FontFormatting.U_DOUBLE_ACCOUNTING);
-    	assertEquals(FontFormatting.U_DOUBLE_ACCOUNTING, fontFormatting.getUnderlineType());
+		fontFormatting.setFontColorIndex((short)10);
+		assertEquals(10,fontFormatting.getFontColorIndex());
 
-    	fontFormatting.setUnderlineTypeModified(false);
-    	assertFalse(fontFormatting.isUnderlineTypeModified());
-    	fontFormatting.setUnderlineTypeModified(true);
-    	assertTrue(fontFormatting.isUnderlineTypeModified());
+		fontFormatting.setFontCondenseModified(false);
+		assertFalse(fontFormatting.isFontCondenseModified());
+		fontFormatting.setFontCondenseModified(true);
+		assertTrue(fontFormatting.isFontCondenseModified());
+
+		fontFormatting.setFontHeight((short)100);
+		assertEquals(100,fontFormatting.getFontHeight());
+
+		fontFormatting.setFontOutlineModified(false);
+		assertFalse(fontFormatting.isFontOutlineModified());
+		fontFormatting.setFontOutlineModified(true);
+		assertTrue(fontFormatting.isFontOutlineModified());
+
+		fontFormatting.setFontShadowModified(false);
+		assertFalse(fontFormatting.isFontShadowModified());
+		fontFormatting.setFontShadowModified(true);
+		assertTrue(fontFormatting.isFontShadowModified());
+
+		fontFormatting.setFontStyleModified(false);
+		assertFalse(fontFormatting.isFontStyleModified());
+		fontFormatting.setFontStyleModified(true);
+		assertTrue(fontFormatting.isFontStyleModified());
+
+		fontFormatting.setItalic(false);
+		assertFalse(fontFormatting.isItalic());
+		fontFormatting.setItalic(true);
+		assertTrue(fontFormatting.isItalic());
+
+		fontFormatting.setOutline(false);
+		assertFalse(fontFormatting.isOutlineOn());
+		fontFormatting.setOutline(true);
+		assertTrue(fontFormatting.isOutlineOn());
+
+		fontFormatting.setShadow(false);
+		assertFalse(fontFormatting.isShadowOn());
+		fontFormatting.setShadow(true);
+		assertTrue(fontFormatting.isShadowOn());
+
+		fontFormatting.setStrikeout(false);
+		assertFalse(fontFormatting.isStruckout());
+		fontFormatting.setStrikeout(true);
+		assertTrue(fontFormatting.isStruckout());
+
+		fontFormatting.setUnderlineType(FontFormatting.U_DOUBLE_ACCOUNTING);
+		assertEquals(FontFormatting.U_DOUBLE_ACCOUNTING, fontFormatting.getUnderlineType());
+
+		fontFormatting.setUnderlineTypeModified(false);
+		assertFalse(fontFormatting.isUnderlineTypeModified());
+		fontFormatting.setUnderlineTypeModified(true);
+		assertTrue(fontFormatting.isUnderlineTypeModified());
 	}
-    
-    
-    public static void main(String[] ignored_args)
+
+	public void testWrite() {
+		Workbook workbook = Workbook.createWorkbook();
+		CFRuleRecord rr = CFRuleRecord.create(workbook, ComparisonOperator.BETWEEN, "5", "10");
+
+		PatternFormatting patternFormatting = new PatternFormatting();
+		patternFormatting.setFillPattern(PatternFormatting.BRICKS);
+		rr.setPatternFormatting(patternFormatting);
+
+		byte[] data = rr.serialize();
+		assertEquals(26, data.length);
+		assertEquals(3, LittleEndian.getShort(data, 6));
+		assertEquals(3, LittleEndian.getShort(data, 8));
+
+		int flags = LittleEndian.getInt(data, 10);
+		assertEquals("unused flags should be 111", 0x00380000, flags & 0x00380000);
+		assertEquals("undocumented flags should be 0000", 0, flags & 0x03C00000); // Otherwise Excel gets unhappy
+		assertEquals(0xA03FFFFF, flags);
+	}
+
+
+	public static void main(String[] ignored_args)
 	{
 		System.out.println("Testing org.apache.poi.hssf.record.CFRuleRecord");
 		junit.textui.TestRunner.run(TestCFRuleRecord.class);
 	}
-    
 }
diff --git a/src/testcases/org/apache/poi/hssf/record/aggregates/AllRecordAggregateTests.java b/src/testcases/org/apache/poi/hssf/record/aggregates/AllRecordAggregateTests.java
new file mode 100644
index 000000000..862fe6715
--- /dev/null
+++ b/src/testcases/org/apache/poi/hssf/record/aggregates/AllRecordAggregateTests.java
@@ -0,0 +1,40 @@
+/* ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================== */
+
+package org.apache.poi.hssf.record.aggregates;
+
+import junit.framework.Test;
+import junit.framework.TestSuite;
+
+/**
+ * Collects all tests for package <tt>org.apache.poi.hssf.record.aggregates</tt>.
+ * 
+ * @author Josh Micich
+ */
+public final class AllRecordAggregateTests {
+	
+	public static Test suite() {
+		TestSuite result = new TestSuite(AllRecordAggregateTests.class.getName());
+
+		result.addTestSuite(TestCFRecordsAggregate.class);
+		result.addTestSuite(TestColumnInfoRecordsAggregate.class);
+		result.addTestSuite(TestFormulaRecordAggregate.class);
+		result.addTestSuite(TestRowRecordsAggregate.class);
+		result.addTestSuite(TestValueRecordsAggregate.class);
+		return result;
+	}
+}
diff --git a/src/testcases/org/apache/poi/hssf/record/aggregates/TestCFRecordsAggregate.java b/src/testcases/org/apache/poi/hssf/record/aggregates/TestCFRecordsAggregate.java
index 332c99209..f60509776 100644
--- a/src/testcases/org/apache/poi/hssf/record/aggregates/TestCFRecordsAggregate.java
+++ b/src/testcases/org/apache/poi/hssf/record/aggregates/TestCFRecordsAggregate.java
@@ -24,9 +24,11 @@ import java.util.List;
 
 import junit.framework.TestCase;
 
+import org.apache.poi.hssf.model.Workbook;
 import org.apache.poi.hssf.record.CFHeaderRecord;
 import org.apache.poi.hssf.record.CFRuleRecord;
 import org.apache.poi.hssf.record.RecordFactory;
+import org.apache.poi.hssf.record.CFRuleRecord.ComparisonOperator;
 import org.apache.poi.hssf.record.cf.CellRange;
 
 /**
@@ -35,77 +37,71 @@ import org.apache.poi.hssf.record.cf.CellRange;
  *
  * @author Dmitriy Kumshayev 
  */
-public class TestCFRecordsAggregate
-        extends TestCase
+public final class TestCFRecordsAggregate extends TestCase
 {
 
-    public TestCFRecordsAggregate(String name)
-    {
-        super(name);
-    }
+	public void testCFRecordsAggregate() 
+	{
+		Workbook workbook = Workbook.createWorkbook();
+		List recs = new ArrayList();
+		CFHeaderRecord header = new CFHeaderRecord();
+		CFRuleRecord rule1 = CFRuleRecord.create(workbook, "7");
+		CFRuleRecord rule2 = CFRuleRecord.create(workbook, ComparisonOperator.BETWEEN, "2", "5");
+		CFRuleRecord rule3 = CFRuleRecord.create(workbook, ComparisonOperator.GE, "100", null);
+		header.setNumberOfConditionalFormats(3);
+		CellRange[] cellRanges = {
+				new CellRange(0,1,0,0),
+				new CellRange(0,1,2,2),
+		};
+		header.setCellRanges(cellRanges);
+		recs.add(header);
+		recs.add(rule1);
+		recs.add(rule2);
+		recs.add(rule3);
+		CFRecordsAggregate record;
+		record = CFRecordsAggregate.createCFAggregate(recs, 0);
 
-    public void testCFRecordsAggregate() 
-    {
-    	CFRecordsAggregate record = new CFRecordsAggregate();
-    	List recs = new ArrayList();
-    	CFHeaderRecord header = new CFHeaderRecord();
-    	CFRuleRecord rule1 = new CFRuleRecord();
-    	CFRuleRecord rule2 = new CFRuleRecord();
-    	CFRuleRecord rule3 = new CFRuleRecord();
-    	header.setNumberOfConditionalFormats(3);
-    	CellRange range1 = new CellRange(0,1,(short)0,(short)0);
-    	CellRange range2 = new CellRange(0,1,(short)2,(short)2);
-    	List cellRanges = new ArrayList();
-    	cellRanges.add(range1);
-    	cellRanges.add(range2);
-    	header.setCellRanges(cellRanges);
-    	recs.add(header);
-    	recs.add(rule1);
-    	recs.add(rule2);
-    	recs.add(rule3);
-    	record = CFRecordsAggregate.createCFAggregate(recs, 0);
-    	
-    	// Serialize
-    	byte [] serializedRecord = record.serialize();
-    	InputStream in = new ByteArrayInputStream(serializedRecord);
-    	
-    	//Parse
-    	recs = RecordFactory.createRecords(in);
-    	
-    	// Verify
-    	assertNotNull(recs);
-    	assertEquals(4, recs.size());
-    	
-    	header = (CFHeaderRecord)recs.get(0);
-    	rule1 = (CFRuleRecord)recs.get(1);
-    	rule2 = (CFRuleRecord)recs.get(2);
-    	rule3 = (CFRuleRecord)recs.get(3);
-    	cellRanges = header.getCellRanges();
-    	
-    	assertEquals(2, cellRanges.size());
-    	assertEquals(3, header.getNumberOfConditionalFormats());
-    	
-    	record = CFRecordsAggregate.createCFAggregate(recs, 0);
-    	
-    	record = record.cloneCFAggregate();
-    	
-    	assertNotNull(record.getHeader());
-    	assertEquals(3,record.getRules().size());
-    	
-    	header = record.getHeader();
-    	rule1 = (CFRuleRecord)record.getRules().get(0);
-    	rule2 = (CFRuleRecord)record.getRules().get(1);
-    	rule3 = (CFRuleRecord)record.getRules().get(2);
-    	cellRanges = header.getCellRanges();
-    	
-    	assertEquals(2, cellRanges.size());
-    	assertEquals(3, header.getNumberOfConditionalFormats());
-    }
+		// Serialize
+		byte [] serializedRecord = record.serialize();
+		InputStream in = new ByteArrayInputStream(serializedRecord);
 
-    public static void main(String[] ignored_args)
+		//Parse
+		recs = RecordFactory.createRecords(in);
+
+		// Verify
+		assertNotNull(recs);
+		assertEquals(4, recs.size());
+
+		header = (CFHeaderRecord)recs.get(0);
+		rule1 = (CFRuleRecord)recs.get(1);
+		rule2 = (CFRuleRecord)recs.get(2);
+		rule3 = (CFRuleRecord)recs.get(3);
+		cellRanges = header.getCellRanges();
+
+		assertEquals(2, cellRanges.length);
+		assertEquals(3, header.getNumberOfConditionalFormats());
+
+		record = CFRecordsAggregate.createCFAggregate(recs, 0);
+
+		record = record.cloneCFAggregate();
+
+		assertNotNull(record.getHeader());
+		assertEquals(3,record.getNumberOfRules());
+
+		header = record.getHeader();
+		rule1 = record.getRule(0);
+		rule2 = record.getRule(1);
+		rule3 = record.getRule(2);
+		cellRanges = header.getCellRanges();
+
+		assertEquals(2, cellRanges.length);
+		assertEquals(3, header.getNumberOfConditionalFormats());
+	}
+
+	public static void main(String[] ignored_args)
 	{
 		System.out.println("Testing org.apache.poi.hssf.record.aggregates.CFRecordsAggregate");
 		junit.textui.TestRunner.run(TestCFRecordsAggregate.class);
 	}
-    
+	
 }
diff --git a/src/testcases/org/apache/poi/hssf/record/cf/TestCellRange.java b/src/testcases/org/apache/poi/hssf/record/cf/TestCellRange.java
index f9857fb24..ade097e69 100644
--- a/src/testcases/org/apache/poi/hssf/record/cf/TestCellRange.java
+++ b/src/testcases/org/apache/poi/hssf/record/cf/TestCellRange.java
@@ -24,13 +24,13 @@ import junit.framework.TestCase;
  */
 public class TestCellRange extends TestCase
 {
-	private static final CellRange biggest     = new CellRange(0, -1,(short) 0,(short)-1);
-	private static final CellRange tenthColumn = new CellRange(0, -1,(short)10,(short)10);
-	private static final CellRange tenthRow    = new CellRange(10,10,(short) 0,(short)-1);
-	private static final CellRange box10x10    = new CellRange(0, 10,(short) 0,(short)10);
-	private static final CellRange box9x9      = new CellRange(0,  9,(short) 0,(short) 9);
-	private static final CellRange box10to20c  = new CellRange(0, 10,(short)10,(short)20);
-	private static final CellRange oneCell     = new CellRange(10,10,(short)10,(short)10);
+	private static final CellRange biggest     = new CellRange( 0, -1, 0,-1);
+	private static final CellRange tenthColumn = new CellRange( 0, -1,10,10);
+	private static final CellRange tenthRow    = new CellRange(10, 10, 0,-1);
+	private static final CellRange box10x10    = new CellRange( 0, 10, 0,10);
+	private static final CellRange box9x9      = new CellRange( 0,  9, 0, 9);
+	private static final CellRange box10to20c  = new CellRange( 0, 10,10,20);
+	private static final CellRange oneCell     = new CellRange(10, 10,10,10);
 
 	boolean [][] contanis = new boolean[][]
     {
@@ -61,62 +61,62 @@ public class TestCellRange extends TestCase
 			}
 		}
 	}
-	
-	private static final CellRange col1     = new CellRange(0, -1,(short) 1,(short)1);
-	private static final CellRange col2     = new CellRange(0, -1,(short) 2,(short)2);
-	private static final CellRange row1     = new CellRange(1,  1,(short) 0,(short)-1);
-	private static final CellRange row2     = new CellRange(2,  2,(short) 0,(short)-1);
 
-	private static final CellRange box0     = new CellRange( 0, 2,(short) 0,(short)2);
-	private static final CellRange box1     = new CellRange( 0, 1,(short) 0,(short)1);
-	private static final CellRange box2     = new CellRange( 0, 1,(short) 2,(short)3);
-	private static final CellRange box3     = new CellRange( 2, 3,(short) 0,(short)1);
-	private static final CellRange box4     = new CellRange( 2, 3,(short) 2,(short)3);
-	private static final CellRange box5     = new CellRange( 1, 3,(short) 1,(short)3);
+	private static final CellRange col1     = new CellRange( 0, -1, 1,1);
+	private static final CellRange col2     = new CellRange( 0, -1, 2,2);
+	private static final CellRange row1     = new CellRange( 1,  1, 0,-1);
+	private static final CellRange row2     = new CellRange( 2,  2, 0,-1);
+
+	private static final CellRange box0     = new CellRange( 0, 2, 0,2);
+	private static final CellRange box1     = new CellRange( 0, 1, 0,1);
+	private static final CellRange box2     = new CellRange( 0, 1, 2,3);
+	private static final CellRange box3     = new CellRange( 2, 3, 0,1);
+	private static final CellRange box4     = new CellRange( 2, 3, 2,3);
+	private static final CellRange box5     = new CellRange( 1, 3, 1,3);
 
 	public void testHasSharedBorderMethod()
 	{
-		assertFalse(col1.hasSharedBorder(col1));
-		assertFalse(col2.hasSharedBorder(col2));
-		assertTrue(col1.hasSharedBorder(col2));
-		assertTrue(col2.hasSharedBorder(col1));
+		assertFalse(col1.hasExactSharedBorder(col1));
+		assertFalse(col2.hasExactSharedBorder(col2));
+		assertTrue(col1.hasExactSharedBorder(col2));
+		assertTrue(col2.hasExactSharedBorder(col1));
 
-		assertFalse(row1.hasSharedBorder(row1));
-		assertFalse(row2.hasSharedBorder(row2));
-		assertTrue(row1.hasSharedBorder(row2));
-		assertTrue(row2.hasSharedBorder(row1));
+		assertFalse(row1.hasExactSharedBorder(row1));
+		assertFalse(row2.hasExactSharedBorder(row2));
+		assertTrue(row1.hasExactSharedBorder(row2));
+		assertTrue(row2.hasExactSharedBorder(row1));
 		
-		assertFalse(row1.hasSharedBorder(col1));
-		assertFalse(row1.hasSharedBorder(col2));
-		assertFalse(col1.hasSharedBorder(row1));
-		assertFalse(col2.hasSharedBorder(row1));
-		assertFalse(row2.hasSharedBorder(col1));
-		assertFalse(row2.hasSharedBorder(col2));
-		assertFalse(col1.hasSharedBorder(row2));
-		assertFalse(col2.hasSharedBorder(row2));
-		assertTrue(col2.hasSharedBorder(col1));
+		assertFalse(row1.hasExactSharedBorder(col1));
+		assertFalse(row1.hasExactSharedBorder(col2));
+		assertFalse(col1.hasExactSharedBorder(row1));
+		assertFalse(col2.hasExactSharedBorder(row1));
+		assertFalse(row2.hasExactSharedBorder(col1));
+		assertFalse(row2.hasExactSharedBorder(col2));
+		assertFalse(col1.hasExactSharedBorder(row2));
+		assertFalse(col2.hasExactSharedBorder(row2));
+		assertTrue(col2.hasExactSharedBorder(col1));
 		
-		assertFalse(box1.hasSharedBorder(box1));
-		assertTrue(box1.hasSharedBorder(box2));
-		assertTrue(box1.hasSharedBorder(box3));
-		assertFalse(box1.hasSharedBorder(box4));
+		assertFalse(box1.hasExactSharedBorder(box1));
+		assertTrue(box1.hasExactSharedBorder(box2));
+		assertTrue(box1.hasExactSharedBorder(box3));
+		assertFalse(box1.hasExactSharedBorder(box4));
 		
-		assertTrue(box2.hasSharedBorder(box1));
-		assertFalse(box2.hasSharedBorder(box2));
-		assertFalse(box2.hasSharedBorder(box3));
-		assertTrue(box2.hasSharedBorder(box4));
+		assertTrue(box2.hasExactSharedBorder(box1));
+		assertFalse(box2.hasExactSharedBorder(box2));
+		assertFalse(box2.hasExactSharedBorder(box3));
+		assertTrue(box2.hasExactSharedBorder(box4));
 		
-		assertTrue(box3.hasSharedBorder(box1));
-		assertFalse(box3.hasSharedBorder(box2));
-		assertFalse(box3.hasSharedBorder(box3));
-		assertTrue(box3.hasSharedBorder(box4));
+		assertTrue(box3.hasExactSharedBorder(box1));
+		assertFalse(box3.hasExactSharedBorder(box2));
+		assertFalse(box3.hasExactSharedBorder(box3));
+		assertTrue(box3.hasExactSharedBorder(box4));
 		
-		assertFalse(box4.hasSharedBorder(box1));
-		assertTrue(box4.hasSharedBorder(box2));
-		assertTrue(box4.hasSharedBorder(box3));
-		assertFalse(box4.hasSharedBorder(box4));
+		assertFalse(box4.hasExactSharedBorder(box1));
+		assertTrue(box4.hasExactSharedBorder(box2));
+		assertTrue(box4.hasExactSharedBorder(box3));
+		assertFalse(box4.hasExactSharedBorder(box4));
 	}
-	
+
 	public void testIntersectMethod()
 	{
 		assertEquals( CellRange.OVERLAP,box0.intersect(box5));
@@ -135,5 +135,4 @@ public class TestCellRange extends TestCase
 		assertEquals(CellRange.INSIDE,tenthColumn.intersect(tenthColumn));
 		assertEquals(CellRange.INSIDE,tenthRow.intersect(tenthRow));
 	}
-	
 }
diff --git a/src/testcases/org/apache/poi/hssf/usermodel/TestHSSFConfditionalFormatting.java b/src/testcases/org/apache/poi/hssf/usermodel/TestHSSFConfditionalFormatting.java
new file mode 100644
index 000000000..3541787d8
--- /dev/null
+++ b/src/testcases/org/apache/poi/hssf/usermodel/TestHSSFConfditionalFormatting.java
@@ -0,0 +1,203 @@
+/* ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================== */
+
+package org.apache.poi.hssf.usermodel;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+import junit.framework.TestCase;
+
+import org.apache.poi.hssf.record.CFRuleRecord.ComparisonOperator;
+import org.apache.poi.hssf.util.HSSFColor;
+import org.apache.poi.hssf.util.Region;
+/**
+ * 
+ * @author Dmitriy Kumshayev
+ */
+public final class TestHSSFConfditionalFormatting extends TestCase
+{
+	public void XtestLastAndFirstColumns() 
+	{
+		HSSFWorkbook workbook = new HSSFWorkbook();
+		HSSFSheet sheet = workbook.createSheet();
+		String formula = "7";
+
+		HSSFFontFormatting fontFmt = new HSSFFontFormatting();
+		fontFmt.setFontStyle(true, false);
+
+		HSSFBorderFormatting bordFmt = new HSSFBorderFormatting();
+		bordFmt.setBorderBottom(HSSFBorderFormatting.BORDER_THIN);
+		bordFmt.setBorderTop(HSSFBorderFormatting.BORDER_THICK);
+		bordFmt.setBorderLeft(HSSFBorderFormatting.BORDER_DASHED);
+		bordFmt.setBorderRight(HSSFBorderFormatting.BORDER_DOTTED);
+
+		HSSFPatternFormatting patternFmt = new HSSFPatternFormatting();
+		patternFmt.setFillBackgroundColor(HSSFColor.RED.index);
+
+		HSSFConditionalFormattingRule [] cfRules =
+		{
+			sheet.createConditionalFormattingRule(formula, fontFmt, bordFmt, patternFmt),
+			sheet.createConditionalFormattingRule(ComparisonOperator.BETWEEN, "1", "2", fontFmt, bordFmt, patternFmt)
+		};
+
+		short col = 1;
+		Region [] regions =
+		{
+			new Region(0,col,-1,col)
+		};
+
+		sheet.addConditionalFormatting(regions, cfRules);
+		sheet.addConditionalFormatting(regions, cfRules);
+
+		// Verification
+		assertEquals(2, sheet.getNumConditionalFormattings());
+		sheet.removeConditionalFormatting(1);
+		assertEquals(1, sheet.getNumConditionalFormattings());
+		HSSFConditionalFormatting cf = sheet.getConditionalFormattingAt(0);
+		assertNotNull(cf);
+
+		regions = cf.getFormattingRegions();
+		assertNotNull(regions);
+		assertEquals(1, regions.length);
+		Region r = regions[0];
+		assertEquals(1, r.getColumnFrom());
+		assertEquals(1, r.getColumnTo());
+		assertEquals(0, r.getRowFrom());
+		assertEquals(-1, r.getRowTo());
+
+		assertEquals(2, cf.getNumberOfRules());
+
+		HSSFConditionalFormattingRule rule1 = cf.getRule(0);
+		assertEquals("7",rule1.getFormula1()); 
+		assertNull(rule1.getFormula2());
+
+		HSSFConditionalFormattingRule rule2 = cf.getRule(1);
+		assertEquals("2",rule2.getFormula2()); 
+		assertEquals("1",rule2.getFormula1()); 
+	}
+	
+	public void XtestOutput() {
+
+		HSSFWorkbook wb = new HSSFWorkbook();
+		HSSFSheet sheet = wb.createSheet();
+		String formula = "7";
+
+		HSSFFontFormatting fontFmt = new HSSFFontFormatting();
+		fontFmt.setFontStyle(true, false);
+
+		HSSFBorderFormatting bordFmt = new HSSFBorderFormatting();
+		bordFmt.setBorderBottom(HSSFBorderFormatting.BORDER_THIN);
+		bordFmt.setBorderTop(HSSFBorderFormatting.BORDER_THICK);
+		bordFmt.setBorderLeft(HSSFBorderFormatting.BORDER_DASHED);
+		bordFmt.setBorderRight(HSSFBorderFormatting.BORDER_DOTTED);
+
+		HSSFPatternFormatting patternFmt = new HSSFPatternFormatting();
+		patternFmt.setFillBackgroundColor(HSSFColor.RED.index);
+
+		HSSFConditionalFormattingRule [] cfRules =
+		{
+			sheet.createConditionalFormattingRule(formula, fontFmt, bordFmt, patternFmt),
+			sheet.createConditionalFormattingRule(ComparisonOperator.BETWEEN, "1", "2", fontFmt, bordFmt, patternFmt)
+		};
+
+		short col = 1;
+		Region [] regions =
+		{
+			new Region(0,col,-1,col)
+		};
+
+		sheet.addConditionalFormatting(regions, cfRules);
+
+		try {
+			OutputStream os = new FileOutputStream("C:/josh/temp/cfExample.xls");
+			wb.write(os);
+			os.close();
+		} catch (IOException e) {
+			throw new RuntimeException(e);
+		}
+	}
+	
+	public void testReadWrite() {
+		
+		HSSFWorkbook wb;
+		try {
+			InputStream is = new FileInputStream("C:/josh/temp/cfEx.xls");
+			wb = new HSSFWorkbook(is);
+		} catch (IOException e) {
+			throw new RuntimeException(e);
+		}
+		
+		HSSFSheet sheet = wb.getSheetAt(0);
+		
+		int nCFs = sheet.getNumConditionalFormattings();
+		HSSFConditionalFormatting cf = sheet.getConditionalFormattingAt(0);
+		Region[] regions = cf.getFormattingRegions();
+
+		sheet.removeConditionalFormatting(0);
+
+		HSSFFontFormatting fontFmt = new HSSFFontFormatting();
+		fontFmt.setFontStyle(false, true);
+		HSSFConditionalFormattingRule rule1 = cf.getRule(0); 
+		HSSFConditionalFormattingRule rule = sheet.createConditionalFormattingRule(ComparisonOperator.BETWEEN, "5", "10",  fontFmt, null, null);
+
+		byte[] rawRecord1 = rule1.getCfRuleRecord().getFontFormatting().getRawRecord();
+		for (int i = 0; i < rawRecord1.length; i++) {
+			System.out.print(rawRecord1[i] + ",");
+		}
+		System.out.println();
+		
+		byte[] rawRecord = fontFmt.getFontFormattingBlock().getRawRecord();
+		for (int i = 0; i < rawRecord.length; i++) {
+			System.out.print(rawRecord[i]+ ",");
+		}
+		System.out.println();
+		
+		rule.getCfRuleRecord().setFontFormatting(rule1.getCfRuleRecord().getFontFormatting());
+		
+		sheet.addConditionalFormatting(regions, new HSSFConditionalFormattingRule[] { rule, });
+		
+		
+		HSSFWorkbook wb2;
+if(false)		try {
+			ByteArrayOutputStream baos = new ByteArrayOutputStream();
+			wb.write(baos);
+			
+			ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
+			
+			wb2 = new HSSFWorkbook(bais);
+		} catch (IOException e) {
+			throw new RuntimeException(e);
+		}
+		
+		
+		try {
+			OutputStream os = new FileOutputStream("C:/josh/temp/cfEx3.xls");
+			wb.write(os);
+			os.close();
+		} catch (IOException e) {
+			throw new RuntimeException(e);
+		}
+		
+		
+	}
+}