    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 */
    017package org.apache.commons.io.filefilter;
    018
    019import 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 1.0
    029 *
    030 */
    031public abstract class AbstractFileFilter implements IOFileFilter {
    032
    033    /**
    034     * Checks to see if the File should be accepted by this filter.
    035     *
    036     * @param file  the File to check
    037     * @return true if this file matches the test
    038     */
    039    @Override
    040    public boolean accept(final File file) {
    041        return accept(file.getParentFile(), file.getName());
    042    }
    043
    044    /**
    045     * Checks to see if the File should be accepted by this filter.
    046     *
    047     * @param dir  the directory File to check
    048     * @param name  the file name within the directory to check
    049     * @return true if this file matches the test
    050     */
    051    @Override
    052    public boolean accept(final File dir, final String name) {
    053        return accept(new File(dir, name));
    054    }
    055
    056    /**
    057     * Provide a String representation of this file filter.
    058     *
    059     * @return a String representation
    060     */
    061    @Override
    062    public String toString() {
    063        return getClass().getSimpleName();
    064    }
    065
    066}