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commons-io-1.4.jar - Apache Commons IO
commons-io-1.4.jar is the JAR file for Commons IO 1.4, which is a library of utilities to assist with developing IO functionality.
JAR File Size and Download Location:
JAR name: commons-io.jar, commons-io-1.4.jar Target JDK version: 1.3 Dependency: None File size: 109043 bytes Date modified: 16-Jan-2008 Download: Apache Commons IO Website
✍: FYIcenter.com
⏎ org/apache/commons/io/filefilter/PrefixFileFilter.java
/* * 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.IOCase; /** * Filters filenames for a certain prefix. * <p> * For example, to print all files and directories in the * current directory whose name starts with <code>Test</code>: * * <pre> * File dir = new File("."); * String[] files = dir.list( new PrefixFileFilter("Test") ); * for ( int i = 0; i < files.length; i++ ) { * System.out.println(files[i]); * } * </pre> * * @since Commons IO 1.0 * @version $Revision: 606381 $ $Date: 2007-12-22 02:03:16 +0000 (Sat, 22 Dec 2007) $ * * @author Stephen Colebourne * @author Federico Barbieri * @author Serge Knystautas * @author Peter Donald */ public class PrefixFileFilter extends AbstractFileFilter implements Serializable { /** The filename prefixes to search for */ private final String[] prefixes; /** Whether the comparison is case sensitive. */ private final IOCase caseSensitivity; /** * Constructs a new Prefix file filter for a single prefix. * * @param prefix the prefix to allow, must not be null * @throws IllegalArgumentException if the prefix is null */ public PrefixFileFilter(String prefix) { this(prefix, IOCase.SENSITIVE); } /** * Constructs a new Prefix file filter for a single prefix * specifying case-sensitivity. * * @param prefix the prefix to allow, must not be null * @param caseSensitivity how to handle case sensitivity, null means case-sensitive * @throws IllegalArgumentException if the prefix is null * @since Commons IO 1.4 */ public PrefixFileFilter(String prefix, IOCase caseSensitivity) { if (prefix == null) { throw new IllegalArgumentException("The prefix must not be null"); } this.prefixes = new String[] {prefix}; this.caseSensitivity = (caseSensitivity == null ? IOCase.SENSITIVE : caseSensitivity); } /** * Constructs a new Prefix file filter for any of an array of prefixes. * <p> * The array is not cloned, so could be changed after constructing the * instance. This would be inadvisable however. * * @param prefixes the prefixes to allow, must not be null * @throws IllegalArgumentException if the prefix array is null */ public PrefixFileFilter(String[] prefixes) { this(prefixes, IOCase.SENSITIVE); } /** * Constructs a new Prefix file filter for any of an array of prefixes * specifying case-sensitivity. * <p> * The array is not cloned, so could be changed after constructing the * instance. This would be inadvisable however. * * @param prefixes the prefixes to allow, must not be null * @param caseSensitivity how to handle case sensitivity, null means case-sensitive * @throws IllegalArgumentException if the prefix is null * @since Commons IO 1.4 */ public PrefixFileFilter(String[] prefixes, IOCase caseSensitivity) { if (prefixes == null) { throw new IllegalArgumentException("The array of prefixes must not be null"); } this.prefixes = prefixes; this.caseSensitivity = (caseSensitivity == null ? IOCase.SENSITIVE : caseSensitivity); } /** * Constructs a new Prefix file filter for a list of prefixes. * * @param prefixes the prefixes to allow, must not be null * @throws IllegalArgumentException if the prefix list is null * @throws ClassCastException if the list does not contain Strings */ public PrefixFileFilter(List prefixes) { this(prefixes, IOCase.SENSITIVE); } /** * Constructs a new Prefix file filter for a list of prefixes * specifying case-sensitivity. * * @param prefixes the prefixes to allow, must not be null * @param caseSensitivity how to handle case sensitivity, null means case-sensitive * @throws IllegalArgumentException if the prefix list is null * @throws ClassCastException if the list does not contain Strings * @since Commons IO 1.4 */ public PrefixFileFilter(List prefixes, IOCase caseSensitivity) { if (prefixes == null) { throw new IllegalArgumentException("The list of prefixes must not be null"); } this.prefixes = (String[]) prefixes.toArray(new String[prefixes.size()]); this.caseSensitivity = (caseSensitivity == null ? IOCase.SENSITIVE : caseSensitivity); } /** * Checks to see if the filename starts with the prefix. * * @param file the File to check * @return true if the filename starts with one of our prefixes */ public boolean accept(File file) { String name = file.getName(); for (int i = 0; i < this.prefixes.length; i++) { if (caseSensitivity.checkStartsWith(name, prefixes[i])) { return true; } } return false; } /** * Checks to see if the filename starts with the prefix. * * @param file the File directory * @param name the filename * @return true if the filename starts with one of our prefixes */ public boolean accept(File file, String name) { for (int i = 0; i < prefixes.length; i++) { if (caseSensitivity.checkStartsWith(name, prefixes[i])) { return true; } } return false; } /** * Provide a String representaion of this file filter. * * @return a String representaion */ public String toString() { StringBuffer buffer = new StringBuffer(); buffer.append(super.toString()); buffer.append("("); if (prefixes != null) { for (int i = 0; i < prefixes.length; i++) { if (i > 0) { buffer.append(","); } buffer.append(prefixes[i]); } } buffer.append(")"); return buffer.toString(); } }
⏎ org/apache/commons/io/filefilter/PrefixFileFilter.java
Or download all of them as a single archive file:
File name: commons-io-1.4-sources.jar File size: 280834 bytes Release date: 2008-01-16 Download
⇒ Using commons-io.jar in Java Code
2018-10-27, 47203👍, 0💬
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