1 package com.explosion.utilities.regex;
2
3 /*
4 * =============================================================================
5 *
6 * Copyright 2004 Stephen Cowx
7 *
8 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
9 * use this file except in compliance with the License. You may obtain a copy of
10 * the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
16 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
17 * License for the specific language governing permissions and limitations under
18 * the License.
19 *
20 * =============================================================================
21 */
22
23 import java.io.File;
24 import java.io.FilenameFilter;
25 import java.util.regex.Matcher;
26 import java.util.regex.Pattern;
27
28 public class RegExpFileNameFilter implements FilenameFilter
29 {
30
31 private Pattern pattern;
32
33 private boolean caseSensitive = false;
34
35 public RegExpFileNameFilter(String fileNamePattern, boolean caseSensitive)
36 {
37 this.caseSensitive = caseSensitive;
38 if (caseSensitive)
39 pattern = Pattern.compile(fileNamePattern);
40 else
41 pattern = Pattern.compile(fileNamePattern.toUpperCase());
42 }
43
44 public boolean accept(File parent, String filename)
45 {
46 Matcher m = null;
47 if (caseSensitive)
48 m = pattern.matcher(filename);
49 else
50 m = pattern.matcher(filename.toUpperCase());
51 return m.find();
52 }
53 }