    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    }