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     */
018    
019    package org.apache.commons.net.ftp;
020    
021    /**
022     * Perform filtering on FTPFile entries.
023     * @since 2.2
024     */
025    public interface FTPFileFilter {
026        /**
027         * Checks if an FTPFile entry should be included or not.
028         * 
029         * @param file entry to be checked for inclusion. May be <code>null</code>.
030         * @return <code>true</code> if the file is to be included, <code>false</code> otherwise
031         */
032        public boolean accept(FTPFile file);
033    }