Coverage Report - org.apache.commons.io.filefilter.DirectoryFileFilter
 
Classes in this File Line Coverage Branch Coverage Complexity
DirectoryFileFilter
100%
5/5
N/A
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 &lt; 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  14
     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  14
     public static final IOFileFilter INSTANCE = DIRECTORY;
 55  
 
 56  
     /**
 57  
      * Restrictive consructor.
 58  
      */
 59  16
     protected DirectoryFileFilter() {
 60  16
     }
 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  1366
         return file.isDirectory();
 71  
     }
 72  
 
 73  
 }