From e25bdd6e6344ac5b541b5765810fcc6e9c7b1772 Mon Sep 17 00:00:00 2001
From: Sergey Vladimirov <sergey@apache.org>
Date: Thu, 11 Aug 2011 17:16:07 +0000
Subject: [PATCH] dump OLE2 streams

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1156682 13f79535-47bb-0310-9956-ffa450edef68
---
 .../org/apache/poi/hwpf/dev/HWPFLister.java   | 43 +++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/src/scratchpad/src/org/apache/poi/hwpf/dev/HWPFLister.java b/src/scratchpad/src/org/apache/poi/hwpf/dev/HWPFLister.java
index a06318ae0a..1c6db5249d 100644
--- a/src/scratchpad/src/org/apache/poi/hwpf/dev/HWPFLister.java
+++ b/src/scratchpad/src/org/apache/poi/hwpf/dev/HWPFLister.java
@@ -26,10 +26,12 @@ import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
+import java.util.Iterator;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 
+import org.apache.poi.POIDocument;
 import org.apache.poi.hwpf.HWPFDocument;
 import org.apache.poi.hwpf.HWPFDocumentCore;
 import org.apache.poi.hwpf.HWPFOldDocument;
@@ -53,6 +55,9 @@ import org.apache.poi.hwpf.usermodel.Paragraph;
 import org.apache.poi.hwpf.usermodel.Picture;
 import org.apache.poi.hwpf.usermodel.Range;
 import org.apache.poi.poifs.common.POIFSConstants;
+import org.apache.poi.poifs.filesystem.DirectoryEntry;
+import org.apache.poi.poifs.filesystem.DirectoryNode;
+import org.apache.poi.poifs.filesystem.Entry;
 import org.apache.poi.poifs.filesystem.POIFSFileSystem;
 import org.apache.poi.util.Beta;
 import org.apache.poi.util.IOUtils;
@@ -199,6 +204,9 @@ public final class HWPFLister
         HWPFLister listerOriginal = new HWPFLister( original );
         HWPFLister listerRebuilded = new HWPFLister( doc );
 
+        System.out.println( "== OLE streams ==" );
+        listerOriginal.dumpFileSystem();
+        
         System.out.println( "== FIB (original) ==" );
         listerOriginal.dumpFIB();
 
@@ -404,6 +412,41 @@ public final class HWPFLister
         System.out.println( ( (HWPFDocument) _doc ).getEscherRecordHolder() );
     }
 
+    public void dumpFileSystem() throws Exception
+    {
+        java.lang.reflect.Field field = POIDocument.class
+                .getDeclaredField( "directory" );
+        field.setAccessible( true );
+        DirectoryNode directoryNode = (DirectoryNode) field.get( _doc );
+
+        System.out.println( dumpFileSystem( directoryNode ) );
+    }
+
+    private String dumpFileSystem( DirectoryEntry directory )
+    {
+        StringBuilder result = new StringBuilder();
+        result.append( "+ " );
+        result.append( directory.getName() );
+        for ( Iterator<Entry> iterator = directory.getEntries(); iterator
+                .hasNext(); )
+        {
+            Entry entry = iterator.next();
+            String entryToString = "\n" + dumpFileSystem( entry );
+            entryToString = entryToString.replaceAll( "\n", "\n+---" );
+            result.append( entryToString );
+        }
+        result.append( "\n" );
+        return result.toString();
+    }
+
+    private String dumpFileSystem( Entry entry )
+    {
+        if ( entry instanceof DirectoryEntry )
+            return dumpFileSystem( (DirectoryEntry) entry );
+
+        return entry.getName();
+    }
+
     public void dumpFIB()
     {
         FileInformationBlock fib = _doc.getFileInformationBlock();
-- 
2.39.5