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Java > Open Source Codes > edu > umd > cs > findbugs > ba > ZipSourceFileDataSource


1 /*
2  * Bytecode Analysis Framework
3  * Copyright (C) 2003,2004 University of Maryland
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  */
19
20 package edu.umd.cs.findbugs.ba;
21
22 import java.io.FileNotFoundException JavaDoc;
23 import java.io.IOException JavaDoc;
24 import java.io.InputStream JavaDoc;
25 import java.util.zip.ZipEntry JavaDoc;
26 import java.util.zip.ZipFile JavaDoc;
27
28 /**
29  * A source file data source for source files residing in Zip or Jar
30  * archives.
31  */
32 public class ZipSourceFileDataSource implements SourceFileDataSource {
33     private ZipFile JavaDoc zipFile;
34     private String JavaDoc entryName;
35     private ZipEntry JavaDoc zipEntry;
36
37     public ZipSourceFileDataSource(ZipFile JavaDoc zipFile, String JavaDoc entryName) {
38         this.zipFile = zipFile;
39         this.entryName = entryName;
40         this.zipEntry = zipFile.getEntry(entryName);
41     }
42
43     public InputStream JavaDoc open() throws IOException JavaDoc {
44         if (zipEntry == null)
45             throw new FileNotFoundException JavaDoc("No zip entry for " + entryName);
46         return zipFile.getInputStream(zipEntry);
47     }
48
49     public String JavaDoc getFullFileName() {
50         return entryName;
51     }
52 }
53
54 // vim:ts=4
55
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