1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 */ 18 19 package org.apache.commons.net.ftp; 20 21 /** 22 * Implements some simple FTPFileFilter classes. 23 * @since 2.2 24 */ 25 public class FTPFileFilters { 26 27 /** 28 * Accepts all FTPFile entries, including null. 29 */ 30 public static final FTPFileFilter ALL = new FTPFileFilter() { 31 // @Override 32 public boolean accept(FTPFile file) { 33 return true; 34 } 35 }; 36 37 /** 38 * Accepts all non-null FTPFile entries. 39 */ 40 public static final FTPFileFilter NON_NULL = new FTPFileFilter() { 41 // @Override 42 public boolean accept(FTPFile file) { 43 return file != null; 44 } 45 }; 46 47 /** 48 * Accepts all (non-null) FTPFile directory entries. 49 */ 50 public static final FTPFileFilter DIRECTORIES = new FTPFileFilter() { 51 // @Override 52 public boolean accept(FTPFile file) { 53 return file != null && file.isDirectory(); 54 } 55 }; 56 57 }