1 | /* |
2 | * Copyright (c) 2001-2009, Jean Tessier |
3 | * All rights reserved. |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
8 | * |
9 | * * Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * |
12 | * * Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
15 | * |
16 | * * Neither the name of Jean Tessier nor the names of his contributors |
17 | * may be used to endorse or promote products derived from this software |
18 | * without specific prior written permission. |
19 | * |
20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR |
24 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
25 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
26 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
27 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
28 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
29 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
30 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
31 | */ |
32 | |
33 | package com.jeantessier.classreader; |
34 | |
35 | import java.util.*; |
36 | |
37 | import org.apache.oro.text.perl.*; |
38 | |
39 | import com.jeantessier.text.*; |
40 | |
41 | public class FilteringLoadListener extends LoadListenerDecorator { |
42 | private Perl5Util perl = new Perl5Util(new MaximumCapacityPatternCache()); |
43 | |
44 | protected List<String> includes; |
45 | protected List<String> excludes; |
46 | |
47 | public FilteringLoadListener(LoadListener delegate, List<String> includes, List<String> excludes) { |
48 | super(delegate); |
49 | |
50 | this.includes = includes; |
51 | this.excludes = excludes; |
52 | } |
53 | |
54 | protected boolean matches(String name) { |
55 | return matches(includes, name) && !matches(excludes, name); |
56 | } |
57 | |
58 | private boolean matches(List<String> regularExpressions, String name) { |
59 | boolean found = false; |
60 | |
61 | Iterator<String> i = regularExpressions.iterator(); |
62 | while (!found && i.hasNext()) { |
63 | String condition = i.next(); |
64 | found = perl.match(condition, name); |
65 | } |
66 | |
67 | return found; |
68 | } |
69 | } |