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Fix bug #45338 - Fix HSSFWorkbook to give you the same HSSFFont every time, and then fix it to find newly added fonts

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@673997 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2008-07-04 10:46:59 +00:00
parent 183c13a1d3
commit c622e72683
5 changed files with 166 additions and 15 deletions
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1
src/documentation/content/xdocs/changes.xml
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@ -37,6 +37,7 @@
<!-- Don't forget to update status.xml too! -->
<release version="3.1.1-alpha1" date="2008-??-??">
<action dev="POI-DEVELOPERS" type="fix">45338 - Fix HSSFWorkbook to give you the same HSSFFont every time, and then fix it to find newly added fonts</action>
<action dev="POI-DEVELOPERS" type="fix">45336 - Fix HSSFColor.getTripletHash()</action>
<action dev="POI-DEVELOPERS" type="fix">45334 - Fixed formula parser to handle dots in identifiers</action>
<action dev="POI-DEVELOPERS" type="fix">45252 - Improvement for HWPF Range.replaceText()</action>

1
src/documentation/content/xdocs/status.xml
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@ -34,6 +34,7 @@
<!-- Don't forget to update changes.xml too! -->
<changes>
<release version="3.1.1-alpha1" date="2008-??-??">
<action dev="POI-DEVELOPERS" type="fix">45338 - Fix HSSFWorkbook to give you the same HSSFFont every time, and then fix it to find newly added fonts</action>
<action dev="POI-DEVELOPERS" type="fix">45336 - Fix HSSFColor.getTripletHash()</action>
<action dev="POI-DEVELOPERS" type="fix">45334 - Fixed formula parser to handle dots in identifiers</action>
<action dev="POI-DEVELOPERS" type="fix">45252 - Improvement for HWPF Range.replaceText()</action>

43
src/java/org/apache/poi/hssf/usermodel/HSSFWorkbook.java
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@ -43,6 +43,7 @@ import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;
import java.util.Stack;
@ -89,6 +90,12 @@ public class HSSFWorkbook extends POIDocument
*/
private ArrayList names;
/**
* this holds the HSSFFont objects attached to this workbook.
* We only create these from the low level records as required.
*/
private Hashtable fonts;
/**
* holds whether or not to preserve other nodes in the POIFS. Used
@ -1000,9 +1007,10 @@ public class HSSFWorkbook extends POIDocument
if(fontindex == Short.MAX_VALUE){
throw new IllegalArgumentException("Maximum number of fonts was exceeded");
}
HSSFFont retval = new HSSFFont(fontindex, font);
return retval;
// Ask getFontAt() to build it for us,
// so it gets properly cached
return getFontAt(fontindex);
}
/**
@ -1012,15 +1020,11 @@ public class HSSFWorkbook extends POIDocument
String name, boolean italic, boolean strikeout,
short typeOffset, byte underline)
{
// System.out.println( boldWeight + ", " + color + ", " + fontHeight + ", " + name + ", " + italic + ", " + strikeout + ", " + typeOffset + ", " + underline );
for (short i = 0; i < workbook.getNumberOfFontRecords(); i++)
{
if (i == 4)
continue;
FontRecord font = workbook.getFontRecordAt(i);
HSSFFont hssfFont = new HSSFFont(i, font);
// System.out.println( hssfFont.getBoldweight() + ", " + hssfFont.getColor() + ", " + hssfFont.getFontHeight() + ", " + hssfFont.getFontName() + ", " + hssfFont.getItalic() + ", " + hssfFont.getStrikeout() + ", " + hssfFont.getTypeOffset() + ", " + hssfFont.getUnderline() );
for (short i=0; i<=getNumberOfFonts(); i++) {
// Remember - there is no 4!
if(i == 4) continue;
HSSFFont hssfFont = getFontAt(i);
if (hssfFont.getBoldweight() == boldWeight
&& hssfFont.getColor() == color
&& hssfFont.getFontHeight() == fontHeight
@ -1030,12 +1034,10 @@ public class HSSFWorkbook extends POIDocument
&& hssfFont.getTypeOffset() == typeOffset
&& hssfFont.getUnderline() == underline)
{
// System.out.println( "Found font" );
return hssfFont;
}
}
// System.out.println( "No font found" );
return null;
}
@ -1050,15 +1052,26 @@ public class HSSFWorkbook extends POIDocument
}
/**
* get the font at the given index number
* Get the font at the given index number
* @param idx index number
* @return HSSFFont at the index
*/
public HSSFFont getFontAt(short idx)
{
if(fonts == null) fonts = new Hashtable();
// So we don't confuse users, give them back
// the same object every time, but create
// them lazily
Short sIdx = Short.valueOf(idx);
if(fonts.containsKey(sIdx)) {
return (HSSFFont)fonts.get(sIdx);
}
FontRecord font = workbook.getFontRecordAt(idx);
HSSFFont retval = new HSSFFont(idx, font);
fonts.put(sIdx, retval);
return retval;
}

84
src/testcases/org/apache/poi/hssf/usermodel/TestBugs.java
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@ -1051,4 +1051,88 @@ public final class TestBugs extends TestCase {
assertTrue(nd.get(0) instanceof DeletedArea3DPtg);
}
}
/**
* Test that fonts get added properly
*/
public void test45338() throws Exception {
HSSFWorkbook wb = new HSSFWorkbook();
assertEquals(4, wb.getNumberOfFonts());
HSSFSheet s = wb.createSheet();
s.createRow(0);
s.createRow(1);
HSSFCell c1 = s.getRow(0).createCell((short)0);
HSSFCell c2 = s.getRow(1).createCell((short)0);
assertEquals(4, wb.getNumberOfFonts());
HSSFFont f1 = wb.getFontAt((short)0);
assertEquals(400, f1.getBoldweight());
// Check that asking for the same font
// multiple times gives you the same thing.
// Otherwise, our tests wouldn't work!
assertEquals(
wb.getFontAt((short)0),
wb.getFontAt((short)0)
);
assertEquals(
wb.getFontAt((short)2),
wb.getFontAt((short)2)
);
assertTrue(
wb.getFontAt((short)0)
!=
wb.getFontAt((short)2)
);
// Look for a new font we have
// yet to add
assertNull(
wb.findFont(
(short)11, (short)123, (short)22,
"Thingy", false, true, (short)2, (byte)2
)
);
HSSFFont nf = wb.createFont();
assertEquals(5, wb.getNumberOfFonts());
assertEquals(5, nf.getIndex());
assertEquals(nf, wb.getFontAt((short)5));
nf.setBoldweight((short)11);
nf.setColor((short)123);
nf.setFontHeight((short)22);
nf.setFontName("Thingy");
nf.setItalic(false);
nf.setStrikeout(true);
nf.setTypeOffset((short)2);
nf.setUnderline((byte)2);
assertEquals(5, wb.getNumberOfFonts());
assertEquals(nf, wb.getFontAt((short)5));
// Find it now
assertNotNull(
wb.findFont(
(short)11, (short)123, (short)22,
"Thingy", false, true, (short)2, (byte)2
)
);
assertEquals(
5,
wb.findFont(
(short)11, (short)123, (short)22,
"Thingy", false, true, (short)2, (byte)2
).getIndex()
);
assertEquals(nf,
wb.findFont(
(short)11, (short)123, (short)22,
"Thingy", false, true, (short)2, (byte)2
)
);
}
}

52
src/testcases/org/apache/poi/hssf/util/TestHSSFColor.java Normal file
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@ -0,0 +1,52 @@
/* ====================================================================
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.util;
import java.util.Hashtable;
import junit.framework.TestCase;
public final class TestHSSFColor extends TestCase {
public void testBasics() {
assertNotNull(HSSFColor.YELLOW.class);
assertTrue(HSSFColor.YELLOW.index > 0);
assertTrue(HSSFColor.YELLOW.index2 > 0);
}
public void testContents() {
assertEquals(3, HSSFColor.YELLOW.triplet.length);
assertEquals(255, HSSFColor.YELLOW.triplet[0]);
assertEquals(255, HSSFColor.YELLOW.triplet[1]);
assertEquals(0, HSSFColor.YELLOW.triplet[2]);
assertEquals("FFFF:FFFF:0", HSSFColor.YELLOW.hexString);
}
public void testTrippletHash() {
Hashtable tripplets = HSSFColor.getTripletHash();
assertEquals(
HSSFColor.MAROON.class,
tripplets.get(HSSFColor.MAROON.hexString).getClass()
);
assertEquals(
HSSFColor.YELLOW.class,
tripplets.get(HSSFColor.YELLOW.hexString).getClass()
);
}
}