Coverage report

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org.apache.commons.configuration.MapConfiguration
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 1   
 /*
 2   
  * Copyright 2004-2005 The Apache Software Foundation.
 3   
  *
 4   
  * Licensed under the Apache License, Version 2.0 (the "License")
 5   
  * you may not use this file except in compliance with the License.
 6   
  * You may obtain a copy of the License at
 7   
  *
 8   
  *     http://www.apache.org/licenses/LICENSE-2.0
 9   
  *
 10   
  * Unless required by applicable law or agreed to in writing, software
 11   
  * distributed under the License is distributed on an "AS IS" BASIS,
 12   
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 13   
  * See the License for the specific language governing permissions and
 14   
  * limitations under the License.
 15   
  */
 16   
 
 17   
 package org.apache.commons.configuration;
 18   
 
 19   
 import java.util.ArrayList;
 20   
 import java.util.Iterator;
 21   
 import java.util.List;
 22   
 import java.util.Map;
 23   
 
 24   
 /**
 25   
  * A Map based Configuration.
 26   
  *
 27   
  * @author Emmanuel Bourg
 28   
  * @version $Revision$, $Date: 2005-10-09 20:27:12 +0200 (Sun, 09 Oct 2005) $
 29   
  * @since 1.1
 30   
  */
 31   
 public class MapConfiguration extends AbstractConfiguration
 32   
 {
 33   
     /** The Map decorated by this configuration. */
 34   
     protected Map map;
 35   
 
 36   
     /**
 37   
      * Create a Configuration decorator around the specified Map. The map is
 38   
      * used to store the configuration properties, any change will also affect
 39   
      * the Map.
 40   
      *
 41   
      * @param map the map
 42   
      */
 43   
     public MapConfiguration(Map map)
 44  45 
     {
 45  45 
         this.map = map;
 46  45 
     }
 47   
 
 48   
     /**
 49   
      * Return the Map decorated by this configuration.
 50   
      *
 51   
      * @return the map this configuration is based onto
 52   
      */
 53   
     public Map getMap()
 54   
     {
 55  3 
         return map;
 56   
     }
 57   
 
 58   
     public Object getProperty(String key)
 59   
     {
 60  384 
         Object value = map.get(key);
 61  384 
         if (value instanceof String)
 62   
         {
 63  186 
             List list = PropertyConverter.split((String) value, getDelimiter());
 64  186 
             return list.size() > 1 ? list : value;
 65   
         }
 66   
         else
 67   
         {
 68  198 
             return value;
 69   
         }
 70   
     }
 71   
 
 72   
     protected void addPropertyDirect(String key, Object value)
 73   
     {
 74  9 
         Object previousValue = getProperty(key);
 75   
 
 76  9 
         if (previousValue == null)
 77   
         {
 78  3 
             map.put(key, value);
 79   
         }
 80  6 
         else if (previousValue instanceof List)
 81   
         {
 82   
             // the value is added to the existing list
 83  3 
             ((List) previousValue).add(value);
 84   
         }
 85   
         else
 86   
         {
 87   
             // the previous value is replaced by a list containing the previous value and the new value
 88  3 
             List list = new ArrayList();
 89  3 
             list.add(previousValue);
 90  3 
             list.add(value);
 91   
 
 92  3 
             map.put(key, list);
 93   
         }
 94  9 
     }
 95   
 
 96   
     public boolean isEmpty()
 97   
     {
 98  6 
         return map.isEmpty();
 99   
     }
 100   
 
 101   
     public boolean containsKey(String key)
 102   
     {
 103  15 
         return map.containsKey(key);
 104   
     }
 105   
 
 106   
     public void clearProperty(String key)
 107   
     {
 108  3 
         map.remove(key);
 109  3 
     }
 110   
 
 111   
     public Iterator getKeys()
 112   
     {
 113  6 
         return map.keySet().iterator();
 114   
     }
 115   
 }

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