Exception Chaining: Added support for java 1.4 style exception chaining. Believe that POI is targeted at 1.4 nowdays so this should not cause an issue.

git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@425026 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/poi/hssf/dev/BiffViewer.java

@@ -111,7 +111,7 @@ public class BiffViewer {
                 }
             activeRecord.dump();
         } catch (IOException e) {
-            throw new RecordFormatException("Error reading bytes");
+            throw new RecordFormatException("Error reading bytes", e);
         }
         Record[] retval = new Record[records.size()];
 

src/java/org/apache/poi/hssf/eventmodel/EventRecordFactory.java

@@ -332,9 +332,7 @@ public class EventRecordFactory
         }
         catch (Exception introspectionException)
         {
-            introspectionException.printStackTrace();
-            throw new RecordFormatException(
-                "Unable to construct record instance, the following exception occured: " + introspectionException.getMessage());
+            throw new RecordFormatException("Unable to construct record instance" , introspectionException);
         }
         if (retval instanceof RKRecord)
         {

src/java/org/apache/poi/hssf/record/FormulaRecord.java

@@ -102,7 +102,7 @@ public class FormulaRecord
           field_7_expression_len = in.readShort();
           field_8_parsed_expr    = Ptg.createParsedExpressionTokens(field_7_expression_len, in);
         } catch (java.lang.UnsupportedOperationException uoe)  {
-          throw new RecordFormatException(uoe.toString());
+          throw new RecordFormatException(uoe);
         }
     }
 

src/java/org/apache/poi/hssf/record/RecordFactory.java

@@ -222,9 +222,7 @@ public class RecordFactory
         }
         catch (Exception introspectionException)
         {
-            introspectionException.printStackTrace();
-            throw new RecordFormatException(
-                "Unable to construct record instance, the following exception occured: " + introspectionException.getMessage());
+            throw new RecordFormatException("Unable to construct record instance",introspectionException);
         }
         if (retval instanceof RKRecord)
         {
@@ -316,9 +314,8 @@ public class RecordFactory
             }
             catch (Exception illegalArgumentException)
             {
-                illegalArgumentException.printStackTrace();
                 throw new RecordFormatException(
-                    "Unable to determine record types");
+                    "Unable to determine record types", illegalArgumentException);
             }
             result.put(new Short(sid), constructor);
         }

src/java/org/apache/poi/hssf/record/RecordFormatException.java

@@ -30,4 +30,12 @@ public class RecordFormatException
     {
         super(exception);
     }
+    
+    public RecordFormatException(String exception, Throwable thr) {
+      super(exception, thr);
+    }
+    
+    public RecordFormatException(Throwable thr) {
+      super(thr);
+    }
 }

src/java/org/apache/poi/hssf/record/RecordInputStream.java

@@ -54,7 +54,7 @@ public class RecordInputStream extends InputStream
       //Dont increment the pos just yet (technically we are at the start of
       //the record stream until nextRecord is called).      
     } catch (IOException ex) {
-      throw new RecordFormatException("Error reading bytes");
+      throw new RecordFormatException("Error reading bytes", ex);
     }
   }
   

src/java/org/apache/poi/hssf/record/formula/Ptg.java

@@ -327,7 +327,7 @@ public abstract class Ptg
             default :
 
                  //retval = new UnknownPtg();
-                 throw new java.lang.UnsupportedOperationException(
+                 throw new java.lang.UnsupportedOperationException(" Unknown Ptg in Formula: 0x"+
                         Integer.toHexString(( int ) id) + " (" + ( int ) id + ")");
         }