| /* ==================================================================== |
| 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 java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.util.Iterator; |
| |
| import org.apache.poi.poifs.filesystem.DirectoryNode; |
| import org.apache.poi.poifs.filesystem.DocumentNode; |
| import org.apache.poi.poifs.filesystem.Entry; |
| import org.apache.poi.poifs.filesystem.POIFSFileSystem; |
| |
| /** |
| * A lister of the entries in POIFS files. |
| * |
| * Much simpler than {@link POIFSViewer} |
| */ |
| public class POIFSLister { |
| /** |
| * Display the entries of multiple POIFS files |
| * |
| * @param args the names of the files to be displayed |
| */ |
| public static void main(final String[] args) throws IOException { |
| if (args.length == 0) { |
| System.err.println("Must specify at least one file to view"); |
| System.exit(1); |
| } |
| |
| boolean withSizes = false; |
| boolean newPOIFS = true; |
| for (String arg : args) { |
| if (arg.equalsIgnoreCase("-size") || arg.equalsIgnoreCase("-sizes")) { |
| withSizes = true; |
| } else if (arg.equalsIgnoreCase("-old") || arg.equalsIgnoreCase("-old-poifs")) { |
| newPOIFS = false; |
| } else { |
| if (newPOIFS) { |
| viewFile(arg, withSizes); |
| } else { |
| viewFileOld(arg, withSizes); |
| } |
| } |
| } |
| } |
| |
| public static void viewFile(final String filename, boolean withSizes) throws IOException { |
| try (POIFSFileSystem fs = new POIFSFileSystem(new File(filename))) { |
| displayDirectory(fs.getRoot(), "", withSizes); |
| } |
| } |
| |
| public static void viewFileOld(final String filename, boolean withSizes) throws IOException { |
| try (FileInputStream fis = new FileInputStream(filename); |
| POIFSFileSystem fs = new POIFSFileSystem(fis)) { |
| displayDirectory(fs.getRoot(), "", withSizes); |
| } |
| } |
| |
| public static void displayDirectory(DirectoryNode dir, String indent, boolean withSizes) { |
| System.out.println(indent + dir.getName() + " -"); |
| String newIndent = indent + " "; |
| |
| boolean hadChildren = false; |
| for(Iterator<Entry> it = dir.getEntries(); it.hasNext();) { |
| hadChildren = true; |
| Entry entry = it.next(); |
| if (entry instanceof DirectoryNode) { |
| displayDirectory((DirectoryNode) entry, newIndent, withSizes); |
| } else { |
| DocumentNode doc = (DocumentNode) entry; |
| String name = doc.getName(); |
| String size = ""; |
| if (name.charAt(0) < 10) { |
| String altname = "(0x0" + (int) name.charAt(0) + ")" + name.substring(1); |
| name = name.substring(1) + " <" + altname + ">"; |
| } |
| if (withSizes) { |
| size = " [" + doc.getSize() + " / 0x" + |
| Integer.toHexString(doc.getSize()) + "]"; |
| } |
| System.out.println(newIndent + name + size); |
| } |
| } |
| if (!hadChildren) { |
| System.out.println(newIndent + "(no children)"); |
| } |
| } |
| } |