Coverage Report - org.apache.commons.io.filefilter.NotFileFilter
 
Classes in this File Line Coverage Branch Coverage Complexity
NotFileFilter
100%
8/8
100%
6/6
1.5
 
 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 produces a logical NOT of the filters specified.
 24  
  *
 25  
  * @since 1.0
 26  
  * @version $Id: NotFileFilter.java 1471767 2013-04-24 23:24:19Z sebb $
 27  
  * @see FileFilterUtils#notFileFilter(IOFileFilter)
 28  
  */
 29  
 public class NotFileFilter extends AbstractFileFilter implements Serializable {
 30  
 
 31  
     /** The filter */
 32  
     private final IOFileFilter filter;
 33  
 
 34  
     /**
 35  
      * Constructs a new file filter that NOTs the result of another filter.
 36  
      *
 37  
      * @param filter  the filter, must not be null
 38  
      * @throws IllegalArgumentException if the filter is null
 39  
      */
 40  78
     public NotFileFilter(final IOFileFilter filter) {
 41  78
         if (filter == null) {
 42  2
             throw new IllegalArgumentException("The filter must not be null");
 43  
         }
 44  76
         this.filter = filter;
 45  76
     }
 46  
 
 47  
     /**
 48  
      * Returns the logical NOT of the underlying filter's return value for the same File.
 49  
      *
 50  
      * @param file  the File to check
 51  
      * @return true if the filter returns false
 52  
      */
 53  
     @Override
 54  
     public boolean accept(final File file) {
 55  246
         return ! filter.accept(file);
 56  
     }
 57  
 
 58  
     /**
 59  
      * Returns the logical NOT of the underlying filter's return value for the same arguments.
 60  
      *
 61  
      * @param file  the File directory
 62  
      * @param name  the filename
 63  
      * @return true if the filter returns false
 64  
      */
 65  
     @Override
 66  
     public boolean accept(final File file, final String name) {
 67  38
         return ! filter.accept(file, name);
 68  
     }
 69  
 
 70  
     /**
 71  
      * Provide a String representaion of this file filter.
 72  
      *
 73  
      * @return a String representaion
 74  
      */
 75  
     @Override
 76  
     public String toString() {
 77  58
         return super.toString() + "(" + filter.toString()  + ")";
 78  
     }
 79  
 
 80  
 }