Coverage Report - org.apache.commons.configuration.MapConfiguration
 
Classes in this File Line Coverage Branch Coverage Complexity
MapConfiguration
94%
30/32
100%
4/4
1,778
 
 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  
 
 18  
 package org.apache.commons.configuration;
 19  
 
 20  
 import java.util.ArrayList;
 21  
 import java.util.Iterator;
 22  
 import java.util.List;
 23  
 import java.util.Map;
 24  
 
 25  
 /**
 26  
  * <p>A Map based Configuration.</p>
 27  
  * <p><em>Note:</em>Configuration objects of this type can be read concurrently
 28  
  * by multiple threads. However if one of these threads modifies the object,
 29  
  * synchronization has to be performed manually.</p>
 30  
  *
 31  
  * @author Emmanuel Bourg
 32  
  * @version $Revision: 548098 $, $Date: 2007-06-17 21:34:03 +0200 (So, 17 Jun 2007) $
 33  
  * @since 1.1
 34  
  */
 35  
 public class MapConfiguration extends AbstractConfiguration implements Cloneable
 36  
 {
 37  
     /** The Map decorated by this configuration. */
 38  
     protected Map map;
 39  
 
 40  
     /**
 41  
      * Create a Configuration decorator around the specified Map. The map is
 42  
      * used to store the configuration properties, any change will also affect
 43  
      * the Map.
 44  
      *
 45  
      * @param map the map
 46  
      */
 47  
     public MapConfiguration(Map map)
 48  31
     {
 49  31
         this.map = map;
 50  31
     }
 51  
 
 52  
     /**
 53  
      * Return the Map decorated by this configuration.
 54  
      *
 55  
      * @return the map this configuration is based onto
 56  
      */
 57  
     public Map getMap()
 58  
     {
 59  1
         return map;
 60  
     }
 61  
 
 62  
     public Object getProperty(String key)
 63  
     {
 64  552
         Object value = map.get(key);
 65  552
         if ((value instanceof String) && (!isDelimiterParsingDisabled()))
 66  
         {
 67  534
             List list = PropertyConverter.split((String) value, getListDelimiter());
 68  534
             return list.size() > 1 ? list : list.get(0);
 69  
         }
 70  
         else
 71  
         {
 72  18
             return value;
 73  
         }
 74  
     }
 75  
 
 76  
     protected void addPropertyDirect(String key, Object value)
 77  
     {
 78  16
         Object previousValue = getProperty(key);
 79  
 
 80  16
         if (previousValue == null)
 81  
         {
 82  14
             map.put(key, value);
 83  14
         }
 84  2
         else if (previousValue instanceof List)
 85  
         {
 86  
             // the value is added to the existing list
 87  1
             ((List) previousValue).add(value);
 88  1
         }
 89  
         else
 90  
         {
 91  
             // the previous value is replaced by a list containing the previous value and the new value
 92  1
             List list = new ArrayList();
 93  1
             list.add(previousValue);
 94  1
             list.add(value);
 95  
 
 96  1
             map.put(key, list);
 97  
         }
 98  16
     }
 99  
 
 100  
     public boolean isEmpty()
 101  
     {
 102  2
         return map.isEmpty();
 103  
     }
 104  
 
 105  
     public boolean containsKey(String key)
 106  
     {
 107  8
         return map.containsKey(key);
 108  
     }
 109  
 
 110  
     protected void clearPropertyDirect(String key)
 111  
     {
 112  6
         map.remove(key);
 113  6
     }
 114  
 
 115  
     public Iterator getKeys()
 116  
     {
 117  14
         return map.keySet().iterator();
 118  
     }
 119  
 
 120  
     /**
 121  
      * Returns a copy of this object. The returned configuration will contain
 122  
      * the same properties as the original. Event listeners are not cloned.
 123  
      *
 124  
      * @return the copy
 125  
      * @since 1.3
 126  
      */
 127  
     public Object clone()
 128  
     {
 129  
         try
 130  
         {
 131  2
             MapConfiguration copy = (MapConfiguration) super.clone();
 132  2
             copy.clearConfigurationListeners();
 133  2
             copy.map = (Map) ConfigurationUtils.clone(map);
 134  2
             return copy;
 135  
         }
 136  0
         catch (CloneNotSupportedException cex)
 137  
         {
 138  
             // cannot happen
 139  0
             throw new ConfigurationRuntimeException(cex);
 140  
         }
 141  
     }
 142  
 }