1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.io.filefilter;
18
19 import java.io.File;
20
21 /**
22 * This filter accepts <code>File</code>s that are files (not directories).
23 * <p>
24 * For example, here is how to print out a list of the real files
25 * within the current directory:
26 *
27 * <pre>
28 * File dir = new File(".");
29 * String[] files = dir.list( FileFileFilter.FILE );
30 * for ( int i = 0; i < files.length; i++ ) {
31 * System.out.println(files[i]);
32 * }
33 * </pre>
34 *
35 * @since Commons IO 1.3
36 * @version $Revision: 155419 $ $Date: 2006-08-28 08:39:07 +0200 (Mo, 28 Aug 2006) $
37 */
38 public class FileFileFilter extends AbstractFileFilter {
39
40 /** Singleton instance of file filter */
41 public static final IOFileFilter FILE = new FileFileFilter();
42
43 /**
44 * Restrictive consructor.
45 */
46 protected FileFileFilter() {
47 }
48
49 /**
50 * Checks to see if the file is a file.
51 *
52 * @param file the File to check
53 * @return true if the file is a file
54 */
55 public boolean accept(File file) {
56 return file.isFile();
57 }
58
59 }