| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| DirectoryFileFilter |
|
| 1.0;1 |
| 1 | /* | |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more | |
| 3 | * contributor license agreements. See the NOTICE file distributed with | |
| 4 | * this work for additional information regarding copyright ownership. | |
| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0 | |
| 6 | * (the "License"); you may not use this file except in compliance with | |
| 7 | * the License. You may obtain a copy of the License at | |
| 8 | * | |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 10 | * | |
| 11 | * Unless required by applicable law or agreed to in writing, software | |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 14 | * See the License for the specific language governing permissions and | |
| 15 | * limitations under the License. | |
| 16 | */ | |
| 17 | package org.apache.commons.io.filefilter; | |
| 18 | ||
| 19 | import java.io.File; | |
| 20 | import java.io.Serializable; | |
| 21 | ||
| 22 | /** | |
| 23 | * This filter accepts <code>File</code>s that are directories. | |
| 24 | * <p> | |
| 25 | * For example, here is how to print out a list of the | |
| 26 | * current directory's subdirectories: | |
| 27 | * | |
| 28 | * <pre> | |
| 29 | * File dir = new File("."); | |
| 30 | * String[] files = dir.list( DirectoryFileFilter.INSTANCE ); | |
| 31 | * for ( int i = 0; i < files.length; i++ ) { | |
| 32 | * System.out.println(files[i]); | |
| 33 | * } | |
| 34 | * </pre> | |
| 35 | * | |
| 36 | * @since 1.0 | |
| 37 | * @version $Id: DirectoryFileFilter.java 1415850 2012-11-30 20:51:39Z ggregory $ | |
| 38 | * | |
| 39 | * @see FileFilterUtils#directoryFileFilter() | |
| 40 | */ | |
| 41 | public class DirectoryFileFilter extends AbstractFileFilter implements Serializable { | |
| 42 | ||
| 43 | /** | |
| 44 | * Singleton instance of directory filter. | |
| 45 | * @since 1.3 | |
| 46 | */ | |
| 47 | 7 | public static final IOFileFilter DIRECTORY = new DirectoryFileFilter(); |
| 48 | /** | |
| 49 | * Singleton instance of directory filter. | |
| 50 | * Please use the identical DirectoryFileFilter.DIRECTORY constant. | |
| 51 | * The new name is more JDK 1.5 friendly as it doesn't clash with other | |
| 52 | * values when using static imports. | |
| 53 | */ | |
| 54 | 7 | public static final IOFileFilter INSTANCE = DIRECTORY; |
| 55 | ||
| 56 | /** | |
| 57 | * Restrictive consructor. | |
| 58 | */ | |
| 59 | 8 | protected DirectoryFileFilter() { |
| 60 | 8 | } |
| 61 | ||
| 62 | /** | |
| 63 | * Checks to see if the file is a directory. | |
| 64 | * | |
| 65 | * @param file the File to check | |
| 66 | * @return true if the file is a directory | |
| 67 | */ | |
| 68 | @Override | |
| 69 | public boolean accept(final File file) { | |
| 70 | 671 | return file.isDirectory(); |
| 71 | } | |
| 72 | ||
| 73 | } |