Coverage report

  %line %branch
org.apache.commons.configuration.ConfigurationConverter
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 1  
 /*
 2  
  * Copyright 2001-2004 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.Enumeration;
 20  
 import java.util.Iterator;
 21  
 import java.util.List;
 22  
 import java.util.Map;
 23  
 import java.util.Properties;
 24  
 import java.util.Vector;
 25  
 
 26  
 import org.apache.commons.collections.ExtendedProperties;
 27  
 
 28  
 /**
 29  
  * Configuration converter. Helper class to convert between Configuration,
 30  
  * ExtendedProperties and standard Properties.
 31  
  *
 32  
  * @author <a href="mailto:mpoeschl@marmot.at">Martin Poeschl</a>
 33  
  * @version $Revision: 1.7 $, $Date: 2004/08/12 16:06:01 $
 34  
  */
 35  
 public final class ConfigurationConverter
 36  
 {
 37  
     private ConfigurationConverter()
 38  0
     {
 39  
         // to prevent instanciation...
 40  0
     }
 41  
 
 42  
     /**
 43  
      * Convert a ExtendedProperties class into a Configuration class.
 44  
      *
 45  
      * @param eprops ExtendedProperties object to convert
 46  
      * @return Configuration created from the ExtendedProperties
 47  
      */
 48  
     public static Configuration getConfiguration(ExtendedProperties eprops)
 49  
     {
 50  1
         Configuration config = new BaseConfiguration();
 51  
 
 52  1
         Iterator keys = eprops.getKeys();
 53  
 
 54  4
         while (keys.hasNext())
 55  
         {
 56  3
             String key = (String) keys.next();
 57  3
             config.setProperty(key, eprops.getProperty(key));
 58  
         }
 59  
 
 60  1
         return config;
 61  
     }
 62  
 
 63  
     /**
 64  
      * Convert a standard Properties class into a configuration class.
 65  
      *
 66  
      * @param props properties object to convert
 67  
      * @return Configuration configuration created from the Properties
 68  
      */
 69  
     public static Configuration getConfiguration(Properties props)
 70  
     {
 71  3
         Configuration config = new BaseConfiguration();
 72  
 
 73  3
         Enumeration keys = props.keys();
 74  
 
 75  104
         while (keys.hasMoreElements())
 76  
         {
 77  101
             String key = (String) keys.nextElement();
 78  101
             config.setProperty(key, props.getProperty(key));
 79  
         }
 80  
 
 81  3
         return config;
 82  
     }
 83  
 
 84  
     /**
 85  
      * Convert a Configuration class into a ExtendedProperties class.
 86  
      *
 87  
      * @param config Configuration object to convert
 88  
      * @return ExtendedProperties created from the Configuration
 89  
      */
 90  
     public static ExtendedProperties getExtendedProperties(Configuration config)
 91  
     {
 92  1
         ExtendedProperties props = new ExtendedProperties();
 93  
 
 94  1
         Iterator keys = config.getKeys();
 95  
 
 96  4
         while (keys.hasNext())
 97  
         {
 98  3
             String key = (String) keys.next();
 99  3
             Object property = config.getProperty(key);
 100  
 
 101  
             // turn lists into vectors
 102  3
             if (property instanceof List)
 103  
             {
 104  1
                 property = new Vector((List) property);
 105  
             }
 106  
 
 107  3
             props.setProperty(key, property);
 108  
         }
 109  
 
 110  1
         return props;
 111  
     }
 112  
 
 113  
     /**
 114  
      * Convert a Configuration class into a Properties class. Multivalue keys
 115  
      * will be collapsed into comma separated values.
 116  
      *
 117  
      * @param config Configuration object to convert
 118  
      * @return Properties created from the Configuration
 119  
      */
 120  
     public static Properties getProperties(Configuration config)
 121  
     {
 122  1
         Properties props = new Properties();
 123  
 
 124  1
         Iterator keys = config.getKeys();
 125  
 
 126  3
         while (keys.hasNext())
 127  
         {
 128  2
             String key = (String) keys.next();
 129  2
             List list = config.getList(key);
 130  
 
 131  
             // turn lists into a string
 132  2
             StringBuffer property = new StringBuffer();
 133  2
             Iterator it = list.iterator();
 134  5
             while (it.hasNext())
 135  
             {
 136  3
                 property.append(String.valueOf(it.next()));
 137  3
                 if (it.hasNext())
 138  
                 {
 139  1
                     property.append(", ");
 140  
                 }
 141  
             }
 142  
 
 143  2
             props.setProperty(key, property.toString());
 144  
         }
 145  
 
 146  1
         return props;
 147  
     }
 148  
 
 149  
     /**
 150  
      * Convert a Configuration class into a Map class.
 151  
      *
 152  
      * @param config Configuration object to convert
 153  
      * @return Map created from the Configuration
 154  
      */
 155  
     public static Map getMap(Configuration config) {
 156  0
         return new ConfigurationMap(config);
 157  
     }
 158  
 
 159  
 }

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