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Commons IO example source code file (WildcardFilter.java)
The Commons IO WildcardFilter.java source code/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.commons.io.filefilter; import java.io.File; import java.io.Serializable; import java.util.List; import org.apache.commons.io.FilenameUtils; /** * Filters files using the supplied wildcards. * <p> * This filter selects files, but not directories, based on one or more wildcards * and using case-sensitive comparison. * <p> * The wildcard matcher uses the characters '?' and '*' to represent a * single or multiple wildcard characters. * This is the same as often found on Dos/Unix command lines. * The extension check is case-sensitive. * See {@link FilenameUtils#wildcardMatch(String, String)} for more information. * <p> * For example: * <pre> * File dir = new File("."); * FileFilter fileFilter = new WildcardFilter("*test*.java~*~"); * File[] files = dir.listFiles(fileFilter); * for (int i = 0; i < files.length; i++) { * System.out.println(files[i]); * } * </pre> * * @author Jason Anderson * @version $Revision: 1004077 $ $Date: 2010-10-04 01:58:42 +0100 (Mon, 04 Oct 2010) $ * @since Commons IO 1.1 * @deprecated Use WilcardFileFilter. Deprecated as this class performs directory * filtering which it shouldn't do, but that can't be removed due to compatability. */ @Deprecated public class WildcardFilter extends AbstractFileFilter implements Serializable { /** The wildcards that will be used to match filenames. */ private final String[] wildcards; /** * Construct a new case-sensitive wildcard filter for a single wildcard. * * @param wildcard the wildcard to match * @throws IllegalArgumentException if the pattern is null */ public WildcardFilter(String wildcard) { if (wildcard == null) { throw new IllegalArgumentException("The wildcard must not be null"); } this.wildcards = new String[] { wildcard }; } /** * Construct a new case-sensitive wildcard filter for an array of wildcards. * * @param wildcards the array of wildcards to match * @throws IllegalArgumentException if the pattern array is null */ public WildcardFilter(String[] wildcards) { if (wildcards == null) { throw new IllegalArgumentException("The wildcard array must not be null"); } this.wildcards = new String[wildcards.length]; System.arraycopy(wildcards, 0, this.wildcards, 0, wildcards.length); } /** * Construct a new case-sensitive wildcard filter for a list of wildcards. * * @param wildcards the list of wildcards to match * @throws IllegalArgumentException if the pattern list is null * @throws ClassCastException if the list does not contain Strings */ public WildcardFilter(List<String> wildcards) { if (wildcards == null) { throw new IllegalArgumentException("The wildcard list must not be null"); } this.wildcards = wildcards.toArray(new String[wildcards.size()]); } //----------------------------------------------------------------------- /** * Checks to see if the filename matches one of the wildcards. * * @param dir the file directory * @param name the filename * @return true if the filename matches one of the wildcards */ @Override public boolean accept(File dir, String name) { if (dir != null && new File(dir, name).isDirectory()) { return false; } for (String wildcard : wildcards) { if (FilenameUtils.wildcardMatch(name, wildcard)) { return true; } } return false; } /** * Checks to see if the filename matches one of the wildcards. * * @param file the file to check * @return true if the filename matches one of the wildcards */ @Override public boolean accept(File file) { if (file.isDirectory()) { return false; } for (String wildcard : wildcards) { if (FilenameUtils.wildcardMatch(file.getName(), wildcard)) { return true; } } return false; } } Other Commons IO examples (source code examples)Here is a short list of links related to this Commons IO WildcardFilter.java source code file: |
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