    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 *   https://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
    018package org.apache.commons.net.ftp;
    019
    020/**
    021 * Performs filtering on {@link FTPFile} instances.
    022 *
    023 * @since 2.2
    024 */
    025public interface FTPFileFilter {
    026
    027    /**
    028     * Checks if an FTPFile entry should be included or not.
    029     *
    030     * @param file entry to be checked for inclusion. May be {@code null}.
    031     * @return {@code true} if the file is to be included, {@code false} otherwise.
    032     */
    033    boolean accept(FTPFile file);
    034}