- /*
- * Copyright 2002-2004 The Apache Software Foundation.
- *
- * Licensed 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;
-
- /**
- * This filter accepts <code>File</code>s 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: 1.7 $ $Date: 2004/02/23 04:37:57 $
- *
- * @author Henri Yandell
- * @author Stephen Colebourne
- * @author Peter Donald
- */
- public class DirectoryFileFilter extends AbstractFileFilter {
-
- /** Singleton instance of directory filter */
- public static final IOFileFilter INSTANCE = new DirectoryFileFilter();
-
- /**
- * 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
- */
- public boolean accept(File file) {
- return file.isDirectory();
- }
-
- }