01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * 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: * A file filter that always returns false.
23: *
24: * @since Commons IO 1.0
25: * @version $Revision: 471628 $ $Date: 2006-11-06 05:06:45 +0100 (Mo, 06 Nov 2006) $
26: *
27: * @author Stephen Colebourne
28: */
29: public class FalseFileFilter implements IOFileFilter {
30:
31: /**
32: * Singleton instance of false filter.
33: * @since Commons IO 1.3
34: */
35: public static final IOFileFilter FALSE = new FalseFileFilter();
36: /**
37: * Singleton instance of false filter.
38: * Please use the identical FalseFileFilter.FALSE constant.
39: * The new name is more JDK 1.5 friendly as it doesn't clash with other
40: * values when using static imports.
41: */
42: public static final IOFileFilter INSTANCE = FALSE;
43:
44: /**
45: * Restrictive consructor.
46: */
47: protected FalseFileFilter() {
48: }
49:
50: /**
51: * Returns false.
52: *
53: * @param file the file to check
54: * @return false
55: */
56: public boolean accept(File file) {
57: return false;
58: }
59:
60: /**
61: * Returns false.
62: *
63: * @param dir the directory to check
64: * @param name the filename
65: * @return false
66: */
67: public boolean accept(File dir, String name) {
68: return false;
69: }
70:
71: }
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