1 /*
   2  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /* @test
  25  * @bug 6237956
  26  * @summary We must be able to read zip files created by Unix Info-Zip
  27  * @author Martin Buchholz
  28  */
  29 
  30 import java.util.*;
  31 import java.util.zip.*;
  32 import java.io.*;
  33 
  34 public class InfoZip {
  35     static int passed = 0, failed = 0;
  36 
  37     static void fail(String msg) {
  38         failed++;
  39         new Exception(msg).printStackTrace();
  40     }
  41 
  42     static void unexpected(Throwable t) {
  43         failed++;
  44         t.printStackTrace();
  45     }
  46 
  47     static void check(boolean condition, String msg) {
  48         if (! condition)
  49             fail(msg);
  50     }
  51 
  52     static void check(boolean condition) {
  53         check(condition, "Something's wrong");
  54     }
  55 
  56     private static String contents(ZipFile zf, ZipEntry ze) throws Exception {
  57         InputStream is = zf.getInputStream(ze);
  58         String result = contents(is);
  59         is.close();
  60         return result;
  61     }
  62 
  63     private static String contents(InputStream is) throws Exception {
  64         StringBuilder sb = new StringBuilder();
  65         int c;
  66         while ((c = is.read()) != -1)
  67             sb.append((char)c);
  68         return sb.toString();
  69     }
  70 
  71     private static void checkZipEntry(ZipEntry ze, String contents) {
  72         check(ze.getName().equals("someFile"), "filename");
  73         check(ze.getExtra() != null, "extra");
  74         check(contents.equals("Message in a Bottle\n"), "contents");
  75         check(ze.getSize() == "Message in a Bottle\n".length());
  76     }
  77 
  78 
  79     public static void main(String[] args) throws Exception {
  80         //----------------------------------------------------------------
  81         // The file InfoZip.zip was created using Unix Info-Zip's zip, thus:
  82         // echo Message in a Bottle > someFile; zip InfoZip.zip someFile
  83         // Such a file has a LOC extra different from the CEN extra,
  84         // which cannot happen using JDK APIs.
  85         //----------------------------------------------------------------
  86         File f = new File("InfoZip.zip");
  87 
  88         OutputStream os = new FileOutputStream(f);
  89         os.write(new byte[]
  90             {'P', 'K', 3, 4, 10, 0, 0, 0, 0, 0, -68, 8, 'k',
  91              '2', 'V', -7, 'm', 9, 20, 0, 0, 0, 20, 0, 0, 0,
  92              8, 0, 21, 0, 's', 'o', 'm', 'e', 'F', 'i', 'l', 'e', 'U',
  93              'T', 9, 0, 3, 't', '_', '1', 'B', 't', '_', '1', 'B', 'U',
  94              'x', 4, 0, -14, 'v', 26, 4, 'M', 'e', 's', 's', 'a', 'g',
  95              'e', ' ', 'i', 'n', ' ', 'a', ' ', 'B', 'o', 't', 't', 'l', 'e',
  96              10, 'P', 'K', 1, 2, 23, 3, 10, 0, 0, 0, 0, 0,
  97              -68, 8, 'k', '2', 'V', -7, 'm', 9, 20, 0, 0, 0, 20,
  98              0, 0, 0, 8, 0, 13, 0, 0, 0, 0, 0, 1, 0,
  99              0, 0, -92, -127, 0, 0, 0, 0, 's', 'o', 'm', 'e', 'F',
 100              'i', 'l', 'e', 'U', 'T', 5, 0, 3, 't', '_', '1', 'B', 'U',
 101              'x', 0, 0, 'P', 'K', 5, 6, 0, 0, 0, 0, 1, 0,
 102              1, 0, 'C', 0, 0, 0, 'O', 0, 0, 0, 0, 0, });
 103         os.close();
 104 
 105         ZipFile zf = new ZipFile(f);
 106         ZipEntry ze = null;
 107         try {
 108             Enumeration<? extends ZipEntry> entries = zf.entries();
 109             ze = entries.nextElement();
 110             check(! entries.hasMoreElements());
 111             checkZipEntry(ze, contents(zf, ze));
 112         } finally {
 113             zf.close();
 114         }
 115 
 116         ZipInputStream is = new ZipInputStream(new FileInputStream(f));
 117         try {
 118             ze = is.getNextEntry();
 119             checkZipEntry(ze, contents(is));
 120             check(is.getNextEntry() == null);
 121         } finally {
 122             is.close();
 123         }
 124         f.delete();
 125         System.out.printf("passed = %d, failed = %d%n", passed, failed);
 126         if (failed > 0) throw new Exception("Some tests failed");
 127     }
 128 }