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 package org.apache.commons.io.filefilter; 18 19 import java.util.List; 20 21 /** 22 * Defines operations for conditional file filters. 23 * 24 * @since 1.1 25 */ 26 public interface ConditionalFileFilter { 27 28 /** 29 * Adds the specified file filter to the list of file filters at the end of 30 * the list. 31 * 32 * @param ioFileFilter the filter to be added 33 * @since 1.1 34 */ 35 void addFileFilter(IOFileFilter ioFileFilter); 36 37 /** 38 * Gets this conditional file filter's list of file filters. 39 * 40 * @return the file filter list 41 * @since 1.1 42 */ 43 List<IOFileFilter> getFileFilters(); 44 45 /** 46 * Removes the specified file filter. 47 * 48 * @param ioFileFilter filter to be removed 49 * @return {@code true} if the filter was found in the list, 50 * {@code false} otherwise 51 * @since 1.1 52 */ 53 boolean removeFileFilter(IOFileFilter ioFileFilter); 54 55 /** 56 * Sets the list of file filters, replacing any previously configured 57 * file filters on this filter. 58 * 59 * @param fileFilters the list of filters 60 * @since 1.1 61 */ 62 void setFileFilters(List<IOFileFilter> fileFilters); 63 64 }