Add a HSMF dev tool for listing the chunks with their types and names

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1057708 13f79535-47bb-0310-9956-ffa450edef68

src/scratchpad/src/org/apache/poi/hsmf/dev/HSMFDump.java

@@ -0,0 +1,70 @@
+/* ====================================================================
+   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.hsmf.dev;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+
+import org.apache.poi.hsmf.datatypes.Chunk;
+import org.apache.poi.hsmf.datatypes.ChunkGroup;
+import org.apache.poi.hsmf.datatypes.MAPIAttribute;
+import org.apache.poi.hsmf.datatypes.Types;
+import org.apache.poi.hsmf.parsers.POIFSChunkParser;
+import org.apache.poi.poifs.filesystem.POIFSFileSystem;
+
+/**
+ * Dumps out the chunk details, and where possible contents
+ */
+public class HSMFDump {
+   private POIFSFileSystem fs;
+   public HSMFDump(POIFSFileSystem fs) {
+      this.fs = fs;
+   }
+   
+   public void dump() throws IOException {
+      ChunkGroup[] chunkGroups = POIFSChunkParser.parse(fs);
+      for(ChunkGroup chunks : chunkGroups) {
+         System.out.println(chunks.getClass().getSimpleName());
+         for(Chunk chunk : chunks.getChunks()) {
+            MAPIAttribute attr = MAPIAttribute.get(chunk.getChunkId());
+            
+            String idName = attr.id + " - " + attr.name;
+            if(attr == MAPIAttribute.UNKNOWN) {
+               idName = chunk.getChunkId() + " - (unknown)";
+            }
+            
+            System.out.println(
+                  "   " + idName + " - " + 
+                  Types.asName(chunk.getType())
+            );
+            System.out.println(
+                  "       " + chunk.toString()
+            );
+         }
+         System.out.println();
+      }
+   }
+   
+   public static void main(String[] args) throws Exception {
+      for(String file : args) {
+         POIFSFileSystem fs = new POIFSFileSystem(new FileInputStream(file));
+         HSMFDump dump = new HSMFDump(fs);
+         dump.dump();
+      }
+   }
+}