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From n...@apache.org
Subject svn commit: r897847 - in /poi/trunk/src/scratchpad: src/org/apache/poi/hsmf/MAPIMessage.java testcases/org/apache/poi/hsmf/TestBasics.java
Date Mon, 11 Jan 2010 12:19:43 GMT
Author: nick
Date: Mon Jan 11 12:19:42 2010
New Revision: 897847

URL: http://svn.apache.org/viewvc?rev=897847&view=rev
Log:
Make it possible to return null on missing chunks, rather than the exception

Modified:
    poi/trunk/src/scratchpad/src/org/apache/poi/hsmf/MAPIMessage.java
    poi/trunk/src/scratchpad/testcases/org/apache/poi/hsmf/TestBasics.java

Modified: poi/trunk/src/scratchpad/src/org/apache/poi/hsmf/MAPIMessage.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/scratchpad/src/org/apache/poi/hsmf/MAPIMessage.java?rev=897847&r1=897846&r2=897847&view=diff
==============================================================================
--- poi/trunk/src/scratchpad/src/org/apache/poi/hsmf/MAPIMessage.java (original)
+++ poi/trunk/src/scratchpad/src/org/apache/poi/hsmf/MAPIMessage.java Mon Jan 11 12:19:42
2010
@@ -50,6 +50,8 @@
 	private NameIdChunks nameIdChunks;
 	private RecipientChunks recipientChunks;
 	private AttachmentChunks[] attachmentChunks;
+	
+	private boolean returnNullOnMissingChunk = false;
 
 	/**
 	 * Constructor for creating new files.
@@ -125,7 +127,11 @@
 	 */
 	public String getStringFromChunk(StringChunk chunk) throws ChunkNotFoundException {
 	   if(chunk == null) {
-	      throw new ChunkNotFoundException();
+	      if(returnNullOnMissingChunk) {
+	         return null;
+	      } else {
+	         throw new ChunkNotFoundException();
+	      }
 	   }
 	   return chunk.getValue();
 	}
@@ -230,6 +236,8 @@
 	   if(mainChunks.submissionChunk != null) {
 	      return mainChunks.submissionChunk.getAcceptedAtTime();
 	   }
+	   if(returnNullOnMissingChunk)
+	      return null;
 	   throw new ChunkNotFoundException();
 	}
 
@@ -268,4 +276,25 @@
    public void write(OutputStream out) throws IOException {
       throw new UnsupportedOperationException("Writing isn't yet supported for HSMF, sorry");
    }
+
+
+   /**
+    * Will you get a null on a missing chunk, or a 
+    *  {@link ChunkNotFoundException} (default is the
+    *  exception).
+    */
+   public boolean isReturnNullOnMissingChunk() {
+      return returnNullOnMissingChunk;
+   }
+
+   /**
+    * Sets whether on asking for a missing chunk,
+    *  you get back null or a {@link ChunkNotFoundException}
+    *  (default is the exception). 
+    */
+   public void setReturnNullOnMissingChunk(boolean returnNullOnMissingChunk) {
+      this.returnNullOnMissingChunk = returnNullOnMissingChunk;
+   }
+   
+   
 }

Modified: poi/trunk/src/scratchpad/testcases/org/apache/poi/hsmf/TestBasics.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/scratchpad/testcases/org/apache/poi/hsmf/TestBasics.java?rev=897847&r1=897846&r2=897847&view=diff
==============================================================================
--- poi/trunk/src/scratchpad/testcases/org/apache/poi/hsmf/TestBasics.java (original)
+++ poi/trunk/src/scratchpad/testcases/org/apache/poi/hsmf/TestBasics.java Mon Jan 11 12:19:42
2010
@@ -22,6 +22,7 @@
 import junit.framework.TestCase;
 
 import org.apache.poi.POIDataSamples;
+import org.apache.poi.hsmf.exceptions.ChunkNotFoundException;
 
 /**
  * Tests to verify that we can perform basic opperations on 
@@ -74,4 +75,31 @@
       assertEquals(0, outlook30.getAttachmentFiles().length);
       assertEquals(2, attachments.getAttachmentFiles().length);
 	}
+	
+	/**
+	 * Test missing chunks
+	 */
+	public void testMissingChunks() throws Exception {
+	   assertEquals(false, attachments.isReturnNullOnMissingChunk());
+
+	   try {
+	      attachments.getMessageDate();
+	      fail();
+	   } catch(ChunkNotFoundException e) {
+	      // Good
+	   }
+	   
+	   attachments.setReturnNullOnMissingChunk(true);
+	   
+	   assertEquals(null, attachments.getMessageDate());
+	   
+      attachments.setReturnNullOnMissingChunk(false);
+      
+      try {
+         attachments.getMessageDate();
+         fail();
+      } catch(ChunkNotFoundException e) {
+         // Good
+      }
+	}
 }



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