1/*
2 * [The "BSD licence"]
3 * Copyright (c) 2010 Ben Gruver
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29package org.jf.dexlib;
30
31import org.jf.dexlib.Util.Input;
32
33import java.io.UnsupportedEncodingException;
34
35public class OdexDependencies {
36    public final int modificationTime;
37    public final int crc;
38    public final int dalvikBuild;
39
40    private final String[] dependencies;
41    private final byte[][] dependencyChecksums;
42
43    public OdexDependencies (Input in) {
44        modificationTime = in.readInt();
45        crc = in.readInt();
46        dalvikBuild = in.readInt();
47
48        int dependencyCount = in.readInt();
49
50        dependencies = new String[dependencyCount];
51        dependencyChecksums = new byte[dependencyCount][];
52
53        for (int i=0; i<dependencyCount; i++) {
54            int stringLength = in.readInt();
55
56            try {
57                dependencies[i] = new String(in.readBytes(stringLength), 0, stringLength-1, "US-ASCII");
58            } catch (UnsupportedEncodingException ex) {
59                throw new RuntimeException(ex);
60            }
61            dependencyChecksums[i] = in.readBytes(20);
62        }
63    }
64
65    public int getDependencyCount() {
66        return dependencies.length;
67    }
68
69    public String getDependency(int index) {
70        return dependencies[index];
71    }
72
73    public byte[] getDependencyChecksum(int index) {
74        return dependencyChecksums[index].clone();
75    }
76}
77