From afe84aadeea79c95172c2c2bb64149897bef4f6a Mon Sep 17 00:00:00 2001 From: Yegor Kozlov Date: Fri, 29 Aug 2008 13:58:56 +0000 Subject: [PATCH] utility to dump POIFS into filesystem git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@690259 13f79535-47bb-0310-9956-ffa450edef68 --- .../org/apache/poi/poifs/dev/POIFSDump.java | 74 +++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100755 src/java/org/apache/poi/poifs/dev/POIFSDump.java diff --git a/src/java/org/apache/poi/poifs/dev/POIFSDump.java b/src/java/org/apache/poi/poifs/dev/POIFSDump.java new file mode 100755 index 0000000000..5028bab720 --- /dev/null +++ b/src/java/org/apache/poi/poifs/dev/POIFSDump.java @@ -0,0 +1,74 @@ +/* ==================================================================== + 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.poifs.dev; + +import org.apache.poi.poifs.filesystem.*; + +import java.io.FileInputStream; +import java.io.File; +import java.io.IOException; +import java.io.FileOutputStream; +import java.util.Iterator; + +/** + * + * Dump internal structure of a OLE2 file into file system + * + * @author Yegor Kozlov + */ +public class POIFSDump { + + public static void main(String[] args) throws Exception { + for (int i = 0; i < args.length; i++) { + System.out.println("Dumping " + args[i]); + FileInputStream is = new FileInputStream(args[i]); + POIFSFileSystem fs = new POIFSFileSystem(is); + is.close(); + + DirectoryEntry root = fs.getRoot(); + File file = new File(root.getName()); + file.mkdir(); + + dump(root, file); + } + } + + + public static void dump(DirectoryEntry root, File parent) throws IOException { + for(Iterator it = root.getEntries(); it.hasNext();){ + Entry entry = (Entry)it.next(); + if(entry instanceof DocumentNode){ + DocumentNode node = (DocumentNode)entry; + DocumentInputStream is = new DocumentInputStream(node); + byte[] bytes = new byte[node.getSize()]; + is.read(bytes); + is.close(); + + FileOutputStream out = new FileOutputStream(new File(parent, node.getName().trim())); + out.write(bytes); + out.close(); + } else if (entry instanceof DirectoryEntry){ + DirectoryEntry dir = (DirectoryEntry)entry; + File file = new File(parent, entry.getName()); + file.mkdir(); + dump(dir, file); + } else { + System.err.println("Skipping unsupported POIFS entry: " + entry); + } + } + } +} -- 2.39.5