1 /****************************************************************
2 * Licensed to the Apache Software Foundation (ASF) under one *
3 * or more contributor license agreements. See the NOTICE file *
4 * distributed with this work for additional information *
5 * regarding copyright ownership. The ASF licenses this file *
6 * to you under the Apache License, Version 2.0 (the *
7 * "License"); you may not use this file except in compliance *
8 * with the License. You may obtain a copy of the License at *
9 * *
10 * http://www.apache.org/licenses/LICENSE-2.0 *
11 * *
12 * Unless required by applicable law or agreed to in writing, *
13 * software distributed under the License is distributed on an *
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY *
15 * KIND, either express or implied. See the License for the *
16 * specific language governing permissions and limitations *
17 * under the License. *
18 ****************************************************************/
19
20
21 package org.apache.james.util.io;
22
23 import java.io.File;
24 import java.io.FilenameFilter;
25
26 /**
27 * Accepts a selection if it is acceptable to both of two {@link FilenameFilter}s.
28 * This takes two {@link FilenameFilter}s as input.
29 *
30 * <p>Eg., to print all files beginning with <code>A</code> and ending with <code>.java</code>:</p>
31 *
32 * <pre>
33 * File dir = new File(".");
34 * String[] files = dir.list( new AndFileFilter(
35 * new PrefixFileFilter("A"),
36 * new ExtensionFileFilter(".java")
37 * )
38 * );
39 * for ( int i=0; i<files.length; i++ )
40 * {
41 * System.out.println(files[i]);
42 * }
43 * </pre>
44 *
45 * @version $Revision: 464742 $ $Date: 2006-10-17 00:53:00 +0100 (Tue, 17 Oct 2006) $
46 */
47 public class AndFileFilter
48 implements FilenameFilter
49 {
50 private final FilenameFilter m_filter1;
51 private final FilenameFilter m_filter2;
52
53 public AndFileFilter( final FilenameFilter filter1, final FilenameFilter filter2 )
54 {
55 m_filter1 = filter1;
56 m_filter2 = filter2;
57 }
58
59 public boolean accept( final File file, final String name )
60 {
61 return m_filter1.accept( file, name ) && m_filter2.accept( file, name );
62 }
63 }
64
65