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.io.File; 20 import java.io.Serializable; 21 22 /** 23 * This filter accepts <code>File</code>s that are files (not directories). 24 * <p> 25 * For example, here is how to print out a list of the real files 26 * within the current directory: 27 * 28 * <pre> 29 * File dir = new File("."); 30 * String[] files = dir.list( FileFileFilter.FILE ); 31 * for ( int i = 0; i < files.length; i++ ) { 32 * System.out.println(files[i]); 33 * } 34 * </pre> 35 * 36 * @since Commons IO 1.3 37 * @version $Revision: 155419 $ $Date: 2007-10-24 16:53:07 +0100 (Wed, 24 Oct 2007) $ 38 */ 39 public class FileFileFilter extends AbstractFileFilter implements Serializable { 40 41 /** Singleton instance of file filter */ 42 public static final IOFileFilter FILE = new FileFileFilter(); 43 44 /** 45 * Restrictive consructor. 46 */ 47 protected FileFileFilter() { 48 } 49 50 /** 51 * Checks to see if the file is a file. 52 * 53 * @param file the File to check 54 * @return true if the file is a file 55 */ 56 public boolean accept(File file) { 57 return file.isFile(); 58 } 59 60 } 61
