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 * Implements some simple FTPFileFilter classes. 023 * @since 2.2 024 */ 025 public class FTPFileFilters { 026 027 /** 028 * Accepts all FTPFile entries, including null 029 */ 030 public static final FTPFileFilter ALL = new FTPFileFilter() { 031 public boolean accept(FTPFile file) { 032 return true; 033 } 034 }; 035 036 /** 037 * Accepts all non-null FTPFile entries 038 */ 039 public static final FTPFileFilter NON_NULL = new FTPFileFilter() { 040 public boolean accept(FTPFile file) { 041 return file != null; 042 } 043 }; 044 045 /** 046 * Accepts all (non-null) FTPFile directory entries 047 */ 048 public static final FTPFileFilter DIRECTORIES = new FTPFileFilter() { 049 public boolean accept(FTPFile file) { 050 return file != null && file.isDirectory(); 051 } 052 }; 053 054 }