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.vfs2.filter; 18 19 import java.io.Serializable; 20 21 import org.apache.commons.vfs2.FileFilter; 22 import org.apache.commons.vfs2.FileSelectInfo; 23 24 /** 25 * A file filter that always returns false. 26 * 27 * @author This code was originally ported from Apache Commons IO File Filter 28 * @see "http://commons.apache.org/proper/commons-io/" 29 * @since 2.4 30 */ 31 public class FalseFileFilter implements FileFilter, Serializable { 32 33 private static final long serialVersionUID = 1L; 34 35 /** 36 * Singleton instance of false filter. 37 */ 38 public static final FileFilter FALSE = new FalseFileFilter(); 39 40 /** 41 * Restrictive constructor. 42 */ 43 protected FalseFileFilter() { 44 } 45 46 /** 47 * Returns false. 48 * 49 * @param fileSelectInfo the file to check (ignored) 50 * 51 * @return Always {@code false} 52 */ 53 @Override 54 public boolean accept(final FileSelectInfo fileSelectInfo) { 55 return false; 56 } 57 58 }