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Commons IO example source code file (DirectoryFileFilter.java)
The Commons IO DirectoryFileFilter.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; /** * This filter accepts <code>Files that are directories. * <p> * For example, here is how to print out a list of the * current directory's subdirectories: * * <pre> * File dir = new File("."); * String[] files = dir.list( DirectoryFileFilter.INSTANCE ); * for ( int i = 0; i < files.length; i++ ) { * System.out.println(files[i]); * } * </pre> * * @since Commons IO 1.0 * @version $Revision: 1005099 $ $Date: 2010-10-06 17:13:01 +0100 (Wed, 06 Oct 2010) $ * * @author Stephen Colebourne * @author Peter Donald * @see FileFilterUtils#directoryFileFilter() */ public class DirectoryFileFilter extends AbstractFileFilter implements Serializable { /** * Singleton instance of directory filter. * @since Commons IO 1.3 */ public static final IOFileFilter DIRECTORY = new DirectoryFileFilter(); /** * Singleton instance of directory filter. * Please use the identical DirectoryFileFilter.DIRECTORY constant. * The new name is more JDK 1.5 friendly as it doesn't clash with other * values when using static imports. */ public static final IOFileFilter INSTANCE = DIRECTORY; /** * Restrictive consructor. */ protected DirectoryFileFilter() { } /** * Checks to see if the file is a directory. * * @param file the File to check * @return true if the file is a directory */ @Override public boolean accept(File file) { return file.isDirectory(); } } Other Commons IO examples (source code examples)Here is a short list of links related to this Commons IO DirectoryFileFilter.java source code file: |
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