01: /*
02: * ProGuard -- shrinking, optimization, obfuscation, and preverification
03: * of Java bytecode.
04: *
05: * Copyright (c) 2002-2007 Eric Lafortune (eric@graphics.cornell.edu)
06: *
07: * This program is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU General Public License as published by the Free
09: * Software Foundation; either version 2 of the License, or (at your option)
10: * any later version.
11: *
12: * This program is distributed in the hope that it will be useful, but WITHOUT
13: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15: * more details.
16: *
17: * You should have received a copy of the GNU General Public License along
18: * with this program; if not, write to the Free Software Foundation, Inc.,
19: * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20: */
21: package proguard.io;
22:
23: import proguard.classfile.ClassConstants;
24:
25: import java.io.*;
26: import java.util.zip.*;
27:
28: /**
29: * This <code>DataEntry</code> represents a ZIP entry.
30: *
31: * @author Eric Lafortune
32: */
33: public class ZipDataEntry implements DataEntry {
34: private final DataEntry parent;
35: private final ZipEntry zipEntry;
36: private ZipInputStream zipInputStream;
37:
38: public ZipDataEntry(DataEntry parent, ZipEntry zipEntry,
39: ZipInputStream zipInputStream) {
40: this .parent = parent;
41: this .zipEntry = zipEntry;
42: this .zipInputStream = zipInputStream;
43: }
44:
45: // Implementations for DataEntry.
46:
47: public String getName() {
48: // Chop the directory name from the file name and get the right separators.
49: return zipEntry.getName().replace(File.separatorChar,
50: ClassConstants.INTERNAL_PACKAGE_SEPARATOR);
51: }
52:
53: public InputStream getInputStream() throws IOException {
54: return zipInputStream;
55: }
56:
57: public void closeInputStream() throws IOException {
58: zipInputStream.closeEntry();
59: zipInputStream = null;
60: }
61:
62: public DataEntry getParent() {
63: return parent;
64: }
65:
66: // Implementations for Object.
67:
68: public String toString() {
69: return parent.toString() + ':' + getName();
70: }
71: }
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