| /* ==================================================================== |
| 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); |
| } |
| } |
| } |
| } |