01: /*
02: * Bytecode Analysis Framework
03: * Copyright (C) 2003,2004 University of Maryland
04: *
05: * This library is free software; you can redistribute it and/or
06: * modify it under the terms of the GNU Lesser General Public
07: * License as published by the Free Software Foundation; either
08: * version 2.1 of the License, or (at your option) any later version.
09: *
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;
23: import java.io.IOException;
24: import java.io.InputStream;
25: import java.util.zip.ZipEntry;
26: import java.util.zip.ZipFile;
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 zipFile;
34: private String entryName;
35: private ZipEntry zipEntry;
36:
37: public ZipSourceFileDataSource(ZipFile zipFile, String entryName) {
38: this .zipFile = zipFile;
39: this .entryName = entryName;
40: this .zipEntry = zipFile.getEntry(entryName);
41: }
42:
43: public InputStream open() throws IOException {
44: if (zipEntry == null)
45: throw new FileNotFoundException("No zip entry for "
46: + entryName);
47: return zipFile.getInputStream(zipEntry);
48: }
49:
50: public String getFullFileName() {
51: return entryName;
52: }
53: }
54:
55: // vim:ts=4
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