1/*
2 * ProGuard -- shrinking, optimization, obfuscation, and preverification
3 *             of Java bytecode.
4 *
5 * Copyright (c) 2002-2013 Eric Lafortune (eric@graphics.cornell.edu)
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the Free
9 * 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 */
21package proguard.io;
22
23import proguard.classfile.ClassConstants;
24import proguard.util.ExtensionMatcher;
25
26import java.io.IOException;
27
28
29/**
30 * This DataEntryReader delegates to one of two other DataEntryReader instances,
31 * depending on whether the data entry represents a directory or not.
32 *
33 * @author Eric Lafortune
34 */
35public class DirectoryFilter extends FilteredDataEntryReader
36{
37    /**
38     * Creates a new ClassFilter that delegates reading directories to the
39     * given reader.
40     */
41    public DirectoryFilter(DataEntryReader directoryReader)
42    {
43        this (directoryReader, null);
44    }
45
46
47    /**
48     * Creates a new ClassFilter that delegates to either of the two given
49     * readers.
50     */
51    public DirectoryFilter(DataEntryReader directoryReader,
52                           DataEntryReader otherReader)
53    {
54        super(new DataEntryDirectoryFilter(),
55              directoryReader,
56              otherReader);
57    }
58}