Add some missing close() calls and fix some generics warnings

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1637703 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/poi/ss/format/CellDateFormatter.java

@@ -183,8 +183,12 @@ public class CellDateFormatter extends CellFormatter {
                     Date dateObj = (Date) value;
                     int pos = toAppendTo.length();
                     Formatter formatter = new Formatter(toAppendTo);
+                    try {
                         long msecs = dateObj.getTime() % 1000;
                         formatter.format(LOCALE, sFmt, msecs / 1000.0);
+                    } finally {
+                        formatter.close();
+                    }
                     toAppendTo.delete(pos, pos + 2);
                     doneMillis = true;
                 }

src/java/org/apache/poi/ss/format/CellElapsedFormatter.java

@@ -201,7 +201,11 @@ public class CellElapsedFormatter extends CellFormatter {
         }
 
         Formatter formatter = new Formatter(toAppendTo);
+        try {
             formatter.format(printfFmt, parts);
+        } finally {
+            formatter.close();
+        }
     }
 
     /**

src/java/org/apache/poi/ss/format/CellGeneralFormatter.java

@@ -57,7 +57,11 @@ public class CellGeneralFormatter extends CellFormatter {
             }
 
             Formatter formatter = new Formatter(toAppendTo);
+            try {
                 formatter.format(LOCALE, fmt, value);
+            } finally {
+                formatter.close();
+            }
             if (stripZeros) {
                 // strip off trailing zeros
                 int removeFrom;

src/java/org/apache/poi/ss/format/CellNumberFormatter.java

@@ -595,7 +595,11 @@ public class CellNumberFormatter extends CellFormatter {
         } else {
             StringBuffer result = new StringBuffer();
             Formatter f = new Formatter(result);
+            try {
                 f.format(LOCALE, printfFmt, value);
+            } finally {
+                f.close();
+            }
 
             if (numerator == null) {
                 writeFractional(result, output);
@@ -866,7 +870,11 @@ public class CellNumberFormatter extends CellFormatter {
 
         StringBuffer sb = new StringBuffer();
         Formatter formatter = new Formatter(sb);
+        try {
             formatter.format(LOCALE, fmt, num);
+        } finally {
+            formatter.close();
+        }
         writeInteger(sb, output, numSpecials, mods, false);
     }
 

src/java/org/apache/poi/util/BitFieldFactory.java

@@ -27,10 +27,10 @@ import java.util.*;
  */
 
 public class BitFieldFactory {
-    private static Map instances = new HashMap();
+    private static Map<Integer, BitField> instances = new HashMap<Integer, BitField>();
 
     public static BitField getInstance(int mask) {
-      BitField f = (BitField)instances.get(Integer.valueOf(mask));
+      BitField f = instances.get(Integer.valueOf(mask));
       if (f == null) {
         f = new BitField(mask);
         instances.put(Integer.valueOf(mask), f);

src/java/org/apache/poi/util/DrawingDump.java

@@ -35,6 +35,7 @@ public class DrawingDump
         POIFSFileSystem fs      =
                 new POIFSFileSystem(new FileInputStream(args[0]));
         HSSFWorkbook wb = new HSSFWorkbook(fs);
+        try {
             System.out.println( "Drawing group:" );
             wb.dumpDrawingGroupRecords(true);
     
@@ -44,6 +45,8 @@ public class DrawingDump
                 HSSFSheet sheet = wb.getSheetAt(sheetNum - 1);
                 sheet.dumpDrawingRecords(true);
             }
-
+        } finally {
+            wb.close();
+        }
     }
 }

src/java/org/apache/poi/util/HexRead.java

@@ -109,7 +109,7 @@ public class HexRead
     {
         int characterCount = 0;
         byte b = (byte) 0;
-        List bytes = new ArrayList();
+        List<Byte> bytes = new ArrayList<Byte>();
         boolean done = false;
         while ( !done )
         {
@@ -163,7 +163,7 @@ public class HexRead
                     break;
             }
         }
-        Byte[] polished = (Byte[]) bytes.toArray( new Byte[0] );
+        Byte[] polished = bytes.toArray( new Byte[0] );
         byte[] rval = new byte[polished.length];
         for ( int j = 0; j < polished.length; j++ )
         {