196c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project/* 296c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * Licensed to the Apache Software Foundation (ASF) under one or more 396c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * contributor license agreements. See the NOTICE file distributed with 496c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * this work for additional information regarding copyright ownership. 596c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * The ASF licenses this file to You under the Apache License, Version 2.0 696c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * (the "License"); you may not use this file except in compliance with 796c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * the License. You may obtain a copy of the License at 844de127691c5e0d1479f1976c1d69d03ee21d94eTodd Kennedy * 996c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 1044de127691c5e0d1479f1976c1d69d03ee21d94eTodd Kennedy * 1196c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 1296c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 1396c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1496c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * See the License for the specific language governing permissions and 1596c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * limitations under the License. 1696c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project */ 1796c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Projectpackage org.apache.commons.io.filefilter; 1896c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project 1996c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Projectimport java.io.File; 2096c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Projectimport java.io.Serializable; 2196c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Projectimport java.util.List; 2296c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project 2396c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Projectimport org.apache.commons.io.IOCase; 2496c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project 2596c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project/** 2696c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * Filters filenames for a certain name. 2796c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * <p> 2844de127691c5e0d1479f1976c1d69d03ee21d94eTodd Kennedy * For example, to print all files and directories in the 2996c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * current directory whose name is <code>Test</code>: 3096c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * 3196c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * <pre> 3296c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * File dir = new File("."); 3396c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * String[] files = dir.list( new NameFileFilter("Test") ); 3496c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * for ( int i = 0; i < files.length; i++ ) { 3596c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * System.out.println(files[i]); 3696c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * } 3796c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * </pre> 3896c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * 3996c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @since Commons IO 1.0 4096c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @version $Revision: 606381 $ $Date: 2007-12-22 02:03:16 +0000 (Sat, 22 Dec 2007) $ 4144de127691c5e0d1479f1976c1d69d03ee21d94eTodd Kennedy * 4296c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @author Stephen Colebourne 4396c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @author Federico Barbieri 4496c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @author Serge Knystautas 4596c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @author Peter Donald 4696c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project */ 4796c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Projectpublic class NameFileFilter extends AbstractFileFilter implements Serializable { 4844de127691c5e0d1479f1976c1d69d03ee21d94eTodd Kennedy 4996c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project /** The filenames to search for */ 5096c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project private final String[] names; 5196c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project /** Whether the comparison is case sensitive. */ 5296c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project private final IOCase caseSensitivity; 5396c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project 5496c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project /** 5596c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * Constructs a new case-sensitive name file filter for a single name. 5644de127691c5e0d1479f1976c1d69d03ee21d94eTodd Kennedy * 5796c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @param name the name to allow, must not be null 5896c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @throws IllegalArgumentException if the name is null 5996c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project */ 6096c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project public NameFileFilter(String name) { 6196c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project this(name, null); 6296c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project } 6396c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project 6496c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project /** 6596c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * Construct a new name file filter specifying case-sensitivity. 6696c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * 6796c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @param name the name to allow, must not be null 6896c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @param caseSensitivity how to handle case sensitivity, null means case-sensitive 6996c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @throws IllegalArgumentException if the name is null 7096c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project */ 7196c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project public NameFileFilter(String name, IOCase caseSensitivity) { 7296c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project if (name == null) { 7396c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project throw new IllegalArgumentException("The wildcard must not be null"); 7496c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project } 7596c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project this.names = new String[] {name}; 7696c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project this.caseSensitivity = (caseSensitivity == null ? IOCase.SENSITIVE : caseSensitivity); 7796c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project } 7896c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project 7996c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project /** 8096c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * Constructs a new case-sensitive name file filter for an array of names. 8196c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * <p> 8296c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * The array is not cloned, so could be changed after constructing the 8396c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * instance. This would be inadvisable however. 8444de127691c5e0d1479f1976c1d69d03ee21d94eTodd Kennedy * 8596c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @param names the names to allow, must not be null 8696c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @throws IllegalArgumentException if the names array is null 8796c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project */ 8896c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project public NameFileFilter(String[] names) { 8996c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project this(names, null); 9096c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project } 9196c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project 9296c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project /** 9396c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * Constructs a new name file filter for an array of names specifying case-sensitivity. 9496c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * <p> 9596c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * The array is not cloned, so could be changed after constructing the 9696c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * instance. This would be inadvisable however. 9744de127691c5e0d1479f1976c1d69d03ee21d94eTodd Kennedy * 9896c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @param names the names to allow, must not be null 9996c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @param caseSensitivity how to handle case sensitivity, null means case-sensitive 10096c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @throws IllegalArgumentException if the names array is null 10196c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project */ 10296c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project public NameFileFilter(String[] names, IOCase caseSensitivity) { 10396c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project if (names == null) { 10496c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project throw new IllegalArgumentException("The array of names must not be null"); 10596c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project } 10696c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project this.names = names; 10796c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project this.caseSensitivity = (caseSensitivity == null ? IOCase.SENSITIVE : caseSensitivity); 10896c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project } 10996c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project 11096c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project /** 11196c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * Constructs a new case-sensitive name file filter for a list of names. 11244de127691c5e0d1479f1976c1d69d03ee21d94eTodd Kennedy * 11396c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @param names the names to allow, must not be null 11496c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @throws IllegalArgumentException if the name list is null 11596c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @throws ClassCastException if the list does not contain Strings 11696c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project */ 11744de127691c5e0d1479f1976c1d69d03ee21d94eTodd Kennedy public NameFileFilter(List<String> names) { 11896c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project this(names, null); 11996c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project } 12096c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project 12196c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project /** 12296c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * Constructs a new name file filter for a list of names specifying case-sensitivity. 12344de127691c5e0d1479f1976c1d69d03ee21d94eTodd Kennedy * 12496c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @param names the names to allow, must not be null 12596c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @param caseSensitivity how to handle case sensitivity, null means case-sensitive 12696c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @throws IllegalArgumentException if the name list is null 12796c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @throws ClassCastException if the list does not contain Strings 12896c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project */ 12944de127691c5e0d1479f1976c1d69d03ee21d94eTodd Kennedy public NameFileFilter(List<String> names, IOCase caseSensitivity) { 13096c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project if (names == null) { 13196c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project throw new IllegalArgumentException("The list of names must not be null"); 13296c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project } 13344de127691c5e0d1479f1976c1d69d03ee21d94eTodd Kennedy this.names = names.toArray(new String[names.size()]); 13496c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project this.caseSensitivity = (caseSensitivity == null ? IOCase.SENSITIVE : caseSensitivity); 13596c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project } 13696c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project 13796c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project //----------------------------------------------------------------------- 13896c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project /** 13996c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * Checks to see if the filename matches. 14044de127691c5e0d1479f1976c1d69d03ee21d94eTodd Kennedy * 14196c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @param file the File to check 14296c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @return true if the filename matches 14396c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project */ 14444de127691c5e0d1479f1976c1d69d03ee21d94eTodd Kennedy @Override 14596c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project public boolean accept(File file) { 14696c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project String name = file.getName(); 14796c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project for (int i = 0; i < this.names.length; i++) { 14896c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project if (caseSensitivity.checkEquals(name, names[i])) { 14996c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project return true; 15096c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project } 15196c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project } 15296c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project return false; 15396c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project } 15496c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project 15596c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project /** 15696c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * Checks to see if the filename matches. 15744de127691c5e0d1479f1976c1d69d03ee21d94eTodd Kennedy * 15896c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @param file the File directory 15996c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @param name the filename 16096c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @return true if the filename matches 16196c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project */ 16244de127691c5e0d1479f1976c1d69d03ee21d94eTodd Kennedy @Override 16396c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project public boolean accept(File file, String name) { 16496c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project for (int i = 0; i < names.length; i++) { 16596c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project if (caseSensitivity.checkEquals(name, names[i])) { 16696c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project return true; 16796c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project } 16896c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project } 16996c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project return false; 17096c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project } 17196c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project 17296c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project /** 17396c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * Provide a String representaion of this file filter. 17496c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * 17596c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project * @return a String representaion 17696c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project */ 17744de127691c5e0d1479f1976c1d69d03ee21d94eTodd Kennedy @Override 17896c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project public String toString() { 17996c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project StringBuffer buffer = new StringBuffer(); 18096c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project buffer.append(super.toString()); 18196c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project buffer.append("("); 18296c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project if (names != null) { 18396c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project for (int i = 0; i < names.length; i++) { 18496c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project if (i > 0) { 18596c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project buffer.append(","); 18696c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project } 18796c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project buffer.append(names[i]); 18896c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project } 18996c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project } 19096c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project buffer.append(")"); 19196c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project return buffer.toString(); 19296c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project } 19396c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project 19496c5af40d639d629267794f4f0338a267ff94ce5The Android Open Source Project} 195