InfoZip.java revision 2492:5e4547833379 
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
30import java.util.*;
31import java.util.zip.*;
32import java.io.*;
33
34public 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}
129