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Java > Open Source Codes > net > sourceforge > cobertura > instrument > Archive


1 /*
2  * Cobertura - http://cobertura.sourceforge.net/
3  *
4  * Copyright (C) 2006 John Lewis
5  * Copyright (C) 2006 Mark Doliner
6  *
7  * Note: This file is dual licensed under the GPL and the Apache
8  * Source License (so that it can be used from both the main
9  * Cobertura classes and the ant tasks).
10  *
11  * Cobertura is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License as published
13  * by the Free Software Foundation; either version 2 of the License,
14  * or (at your option) any later version.
15  *
16  * Cobertura is distributed in the hope that it will be useful, but
17  * WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19  * General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with Cobertura; if not, write to the Free Software
23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
24  * USA
25  */
26
27 package net.sourceforge.cobertura.instrument;
28
29 import java.io.ByteArrayInputStream JavaDoc;
30 import java.io.InputStream JavaDoc;
31
32 /**
33  * This class represents an archive within an archive.
34  *
35  * @author John Lewis
36  */
37 class Archive
38 {
39
40     private byte[] bytes;
41     private boolean modified;
42     private CoberturaFile file;
43
44     /**
45      * Create an object that holds a buffer to an archive that is within a parent archive.
46      *
47      * @param file The parent archive on the hard drive that holds the child archive.
48      * @param bytes The contents of the child archive.
49      */
50     Archive(CoberturaFile file, byte[] bytes)
51     {
52         this.bytes = bytes;
53         this.file = file;
54     }
55
56     /**
57      * Return an input stream for the contents of this archive (the child).
58      *
59      * @return An InputStream for the contents.
60      */
61     InputStream JavaDoc getInputStream()
62     {
63         return new ByteArrayInputStream JavaDoc(this.bytes);
64     }
65
66     /**
67      * Set this archive's bytes after they have been modified via instrumentation.
68      *
69      * @param bytes The new contents of the archive (instrumented).
70      */
71     void setModifiedBytes(byte[] bytes)
72     {
73         this.bytes = bytes;
74         this.modified = true;
75     }
76
77     /**
78      * Return true if this archive has been modified (instrumented).
79      *
80      * @return true if modified.
81      */
82     boolean isModified()
83     {
84         return modified;
85     }
86
87     /**
88      * Return the contents of this archive.
89      *
90      * @return A byte array with the contents of this archive.
91      */
92     byte[] getBytes()
93     {
94         return this.bytes;
95     }
96
97     /**
98      * Returns the parent archive that contains this archive.
99      *
100      * @return A CoberturaFile representing the parent archive.
101      */
102     CoberturaFile getCoberturaFile()
103     {
104         return this.file;
105     }
106 }
107
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