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 *
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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 package org.apache.james.util.io;
20
21 import java.io.File;
22 import java.io.FilenameFilter;
23
24 /***
25 * Accepts a selection if it is acceptable to both of two {@link FilenameFilter}s.
26 * This takes two {@link FilenameFilter}s as input.
27 *
28 * <p>Eg., to print all files beginning with <code>A</code> and ending with <code>.java</code>:</p>
29 *
30 * <pre>
31 * File dir = new File(".");
32 * String[] files = dir.list( new AndFileFilter(
33 * new PrefixFileFilter("A"),
34 * new ExtensionFileFilter(".java")
35 * )
36 * );
37 * for ( int i=0; i<files.length; i++ )
38 * {
39 * System.out.println(files[i]);
40 * }
41 * </pre>
42 *
43 * @author <a href="mailto:dev@avalon.apache.org">Avalon Development Team</a>
44 * @version $Revision: 494012 $ $Date: 2007-01-08 10:23:58 +0000 (Mon, 08 Jan 2007) $
45 * @since 4.0
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