001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.commons.io.filefilter;
018
019 import java.io.File;
020
021 /**
022 * An abstract class which implements the Java FileFilter and FilenameFilter
023 * interfaces via the IOFileFilter interface.
024 * <p>
025 * Note that a subclass <b>must</b> override one of the accept methods,
026 * otherwise your class will infinitely loop.
027 *
028 * @since Commons IO 1.0
029 * @version $Revision: 736891 $ $Date: 2009-01-23 02:22:33 +0000 (Fri, 23 Jan 2009) $
030 *
031 * @author Stephen Colebourne
032 */
033 public abstract class AbstractFileFilter implements IOFileFilter {
034
035 /**
036 * Checks to see if the File should be accepted by this filter.
037 *
038 * @param file the File to check
039 * @return true if this file matches the test
040 */
041 public boolean accept(File file) {
042 return accept(file.getParentFile(), file.getName());
043 }
044
045 /**
046 * Checks to see if the File should be accepted by this filter.
047 *
048 * @param dir the directory File to check
049 * @param name the filename within the directory to check
050 * @return true if this file matches the test
051 */
052 public boolean accept(File dir, String name) {
053 return accept(new File(dir, name));
054 }
055
056 /**
057 * Provide a String representaion of this file filter.
058 *
059 * @return a String representaion
060 */
061 @Override
062 public String toString() {
063 return getClass().getSimpleName();
064 }
065
066 }