14fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy/* 24fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * Licensed to the Apache Software Foundation (ASF) under one or more 34fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * contributor license agreements. See the NOTICE file distributed with 44fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * this work for additional information regarding copyright ownership. 54fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * The ASF licenses this file to You under the Apache License, Version 2.0 64fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * (the "License"); you may not use this file except in compliance with 74fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * the License. You may obtain a copy of the License at 84fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * 94fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * http://www.apache.org/licenses/LICENSE-2.0 104fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * 114fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * Unless required by applicable law or agreed to in writing, software 124fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * distributed under the License is distributed on an "AS IS" BASIS, 134fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 144fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * See the License for the specific language governing permissions and 154fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * limitations under the License. 164fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy */ 174fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedypackage org.apache.commons.io.filefilter; 184fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy 194fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedyimport java.io.File; 204fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedyimport java.io.Serializable; 214fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedyimport java.util.ArrayList; 224fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedyimport java.util.Collections; 234fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedyimport java.util.Iterator; 244fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedyimport java.util.List; 254fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy 264fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy/** 274fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * A {@link java.io.FileFilter} providing conditional AND logic across a list of 284fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * file filters. This filter returns <code>true</code> if all filters in the 294fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * list return <code>true</code>. Otherwise, it returns <code>false</code>. 304fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * Checking of the file filter list stops when the first filter returns 314fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * <code>false</code>. 324fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * 334fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * @since Commons IO 1.0 344fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * @version $Revision: 606381 $ $Date: 2007-12-22 02:03:16 +0000 (Sat, 22 Dec 2007) $ 354fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * 364fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * @author Steven Caswell 374fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy */ 384fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedypublic class AndFileFilter 394fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy extends AbstractFileFilter 404fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy implements ConditionalFileFilter, Serializable { 414fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy 424fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy /** The list of file filters. */ 434fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy private List<IOFileFilter> fileFilters; 444fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy 454fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy /** 464fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * Constructs a new instance of <code>AndFileFilter</code>. 474fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * 484fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * @since Commons IO 1.1 494fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy */ 504fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy public AndFileFilter() { 514fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy this.fileFilters = new ArrayList<IOFileFilter>(); 524fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy } 534fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy 544fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy /** 554fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * Constructs a new instance of <code>AndFileFilter</code> 564fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * with the specified list of filters. 574fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * 584fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * @param fileFilters a List of IOFileFilter instances, copied, null ignored 594fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * @since Commons IO 1.1 604fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy */ 614fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy public AndFileFilter(final List<IOFileFilter> fileFilters) { 624fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy if (fileFilters == null) { 634fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy this.fileFilters = new ArrayList<IOFileFilter>(); 644fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy } else { 654fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy this.fileFilters = new ArrayList<IOFileFilter>(fileFilters); 664fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy } 674fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy } 684fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy 694fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy /** 704fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * Constructs a new file filter that ANDs the result of two other filters. 714fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * 724fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * @param filter1 the first filter, must not be null 734fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * @param filter2 the second filter, must not be null 744fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * @throws IllegalArgumentException if either filter is null 754fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy */ 764fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy public AndFileFilter(IOFileFilter filter1, IOFileFilter filter2) { 774fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy if (filter1 == null || filter2 == null) { 784fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy throw new IllegalArgumentException("The filters must not be null"); 794fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy } 804fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy this.fileFilters = new ArrayList<IOFileFilter>(); 814fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy addFileFilter(filter1); 824fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy addFileFilter(filter2); 834fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy } 844fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy 854fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy /** 864fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * {@inheritDoc} 874fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy */ 884fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy public void addFileFilter(final IOFileFilter ioFileFilter) { 894fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy this.fileFilters.add(ioFileFilter); 904fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy } 914fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy 924fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy /** 934fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * {@inheritDoc} 944fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy */ 954fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy public List<IOFileFilter> getFileFilters() { 964fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy return Collections.unmodifiableList(this.fileFilters); 974fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy } 984fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy 994fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy /** 1004fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * {@inheritDoc} 1014fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy */ 1024fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy public boolean removeFileFilter(final IOFileFilter ioFileFilter) { 1034fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy return this.fileFilters.remove(ioFileFilter); 1044fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy } 1054fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy 1064fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy /** 1074fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * {@inheritDoc} 1084fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy */ 1094fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy @Override 1104fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy public void setFileFilters(final List<IOFileFilter> fileFilters) { 1114fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy this.fileFilters = new ArrayList<IOFileFilter>(fileFilters); 1124fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy } 1134fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy 1144fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy /** 1154fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * {@inheritDoc} 1164fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy */ 1174fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy @Override 1184fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy public boolean accept(final File file) { 1194fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy if (this.fileFilters.size() == 0) { 1204fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy return false; 1214fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy } 1224fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy for (Iterator<IOFileFilter> iter = this.fileFilters.iterator(); iter.hasNext();) { 1234fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy IOFileFilter fileFilter = iter.next(); 1244fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy if (!fileFilter.accept(file)) { 1254fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy return false; 1264fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy } 1274fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy } 1284fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy return true; 1294fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy } 1304fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy 1314fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy /** 1324fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * {@inheritDoc} 1334fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy */ 1344fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy @Override 1354fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy public boolean accept(final File file, final String name) { 1364fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy if (this.fileFilters.size() == 0) { 1374fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy return false; 1384fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy } 1394fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy for (Iterator<IOFileFilter> iter = this.fileFilters.iterator(); iter.hasNext();) { 1404fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy IOFileFilter fileFilter = iter.next(); 1414fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy if (!fileFilter.accept(file, name)) { 1424fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy return false; 1434fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy } 1444fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy } 1454fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy return true; 1464fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy } 1474fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy 1484fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy /** 1494fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * Provide a String representaion of this file filter. 1504fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * 1514fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy * @return a String representaion 1524fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy */ 1534fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy @Override 1544fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy public String toString() { 1554fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy StringBuffer buffer = new StringBuffer(); 1564fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy buffer.append(super.toString()); 1574fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy buffer.append("("); 1584fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy if (fileFilters != null) { 1594fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy for (int i = 0; i < fileFilters.size(); i++) { 1604fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy if (i > 0) { 1614fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy buffer.append(","); 1624fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy } 1634fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy Object filter = fileFilters.get(i); 1644fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy buffer.append(filter == null ? "null" : filter.toString()); 1654fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy } 1664fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy } 1674fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy buffer.append(")"); 1684fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy return buffer.toString(); 1694fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy } 1704fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy 1714fa0a3295bcacbdcd6a9e7709cf17aa5adb90356Scott Kennedy} 172