| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 2003 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Apache" and "Apache Software Foundation" must |
| * not be used to endorse or promote products derived from this |
| * software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache |
| * XMLBeans", nor may "Apache" appear in their name, without prior |
| * written permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation and was |
| * originally based on software copyright (c) 2000-2003 BEA Systems |
| * Inc., <http://www.bea.com/>. For more information on the Apache Software |
| * Foundation, please see <http://www.apache.org/>. |
| */ |
| |
| package zipcompare; |
| |
| import java.util.zip.ZipFile; |
| import java.util.zip.ZipEntry; |
| import java.util.*; |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| public class ZipCompare |
| { |
| public static void main(String[] args) |
| { |
| if (args.length != 2) |
| { |
| System.out.println("Usage: zipcompare [file1] [file2]"); |
| System.exit(1); |
| } |
| |
| ZipFile file1; |
| try { file1 = new ZipFile(args[0]); } |
| catch (IOException e) { System.out.println("Could not open zip file " + args[0] + ": " + e); System.exit(1); return; } |
| |
| ZipFile file2; |
| try { file2 = new ZipFile(args[1]); } |
| catch (IOException e) { System.out.println("Could not open zip file " + args[0] + ": " + e); System.exit(1); return; } |
| |
| System.out.println("Comparing " + args[0] + " with " + args[1] + ":"); |
| |
| Set set1 = new LinkedHashSet(); |
| for (Enumeration e = file1.entries(); e.hasMoreElements(); ) |
| set1.add(((ZipEntry)e.nextElement()).getName()); |
| |
| Set set2 = new LinkedHashSet(); |
| for (Enumeration e = file2.entries(); e.hasMoreElements(); ) |
| set2.add(((ZipEntry)e.nextElement()).getName()); |
| |
| int errcount = 0; |
| int filecount = 0; |
| for (Iterator i = set1.iterator(); i.hasNext(); ) |
| { |
| String name = (String)i.next(); |
| if (!set2.contains(name)) |
| { |
| System.out.println(name + " not found in " + args[1]); |
| errcount += 1; |
| continue; |
| } |
| try |
| { |
| set2.remove(name); |
| if (!streamsEqual(file1.getInputStream(file1.getEntry(name)), file2.getInputStream(file2.getEntry(name)))) |
| { |
| System.out.println(name + " does not match"); |
| errcount += 1; |
| continue; |
| } |
| } |
| catch (Exception e) |
| { |
| System.out.println(name + ": IO Error " + e); |
| e.printStackTrace(); |
| errcount += 1; |
| continue; |
| } |
| filecount += 1; |
| } |
| for (Iterator i = set2.iterator(); i.hasNext(); ) |
| { |
| String name = (String)i.next(); |
| System.out.println(name + " not found in " + args[0]); |
| errcount += 1; |
| } |
| System.out.println(filecount + " entries matched"); |
| if (errcount > 0) |
| { |
| System.out.println(errcount + " entries did not match"); |
| System.exit(1); |
| } |
| System.exit(0); |
| } |
| |
| static boolean streamsEqual(InputStream stream1, InputStream stream2) throws IOException |
| { |
| byte[] buf1 = new byte[4096]; |
| byte[] buf2 = new byte[4096]; |
| boolean done1 = false; |
| boolean done2 = false; |
| |
| try |
| { |
| while (!done1) |
| { |
| int off1 = 0; |
| int off2 = 0; |
| |
| while (off1 < buf1.length) |
| { |
| int count = stream1.read(buf1, off1, buf1.length - off1); |
| if (count < 0) |
| { |
| done1 = true; |
| break; |
| } |
| off1 += count; |
| } |
| while (off2 < buf2.length) |
| { |
| int count = stream2.read(buf2, off2, buf2.length - off2); |
| if (count < 0) |
| { |
| done2 = true; |
| break; |
| } |
| off2 += count; |
| } |
| if (off1 != off2 || done1 != done2) |
| return false; |
| for (int i = 0; i < off1; i++) |
| { |
| if (buf1[i] != buf2[i]) |
| return false; |
| } |
| } |
| return true; |
| } |
| finally { stream1.close(); stream2.close(); } |
| } |
| } |