Coverage Report - org.apache.commons.configuration.ConfigurationConverter
 
Classes in this File Line Coverage Branch Coverage Complexity
ConfigurationConverter
90%
20/22
87%
7/8
1,667
 
 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  
 import java.util.Properties;
 25  
 
 26  
 import org.apache.commons.collections.ExtendedProperties;
 27  
 import org.apache.commons.lang.StringUtils;
 28  
 
 29  
 /**
 30  
  * Configuration converter. Helper class to convert between Configuration,
 31  
  * ExtendedProperties and standard Properties.
 32  
  *
 33  
  * @author <a href="mailto:mpoeschl@marmot.at">Martin Poeschl</a>
 34  
  * @version $Id: ConfigurationConverter.java 1208788 2011-11-30 21:15:37Z oheger $
 35  
  */
 36  
 public final class ConfigurationConverter
 37  
 {
 38  
     /**
 39  
      * Private constructor prevents instances from being created.
 40  
      */
 41  
     private ConfigurationConverter()
 42  0
     {
 43  
         // to prevent instanciation...
 44  0
     }
 45  
 
 46  
     /**
 47  
      * Convert a ExtendedProperties class into a Configuration class.
 48  
      *
 49  
      * @param eprops ExtendedProperties object to convert
 50  
      * @return Configuration created from the ExtendedProperties
 51  
      */
 52  
     public static Configuration getConfiguration(ExtendedProperties eprops)
 53  
     {
 54  1
         return new MapConfiguration(eprops);
 55  
     }
 56  
 
 57  
     /**
 58  
      * Convert a standard Properties class into a configuration class.
 59  
      *
 60  
      * @param props properties object to convert
 61  
      * @return Configuration configuration created from the Properties
 62  
      */
 63  
     public static Configuration getConfiguration(Properties props)
 64  
     {
 65  3
         return new MapConfiguration(props);
 66  
     }
 67  
 
 68  
     /**
 69  
      * Convert a Configuration class into a ExtendedProperties class.
 70  
      *
 71  
      * @param config Configuration object to convert
 72  
      * @return ExtendedProperties created from the Configuration
 73  
      */
 74  
     public static ExtendedProperties getExtendedProperties(Configuration config)
 75  
     {
 76  1
         ExtendedProperties props = new ExtendedProperties();
 77  
 
 78  1
         for (Iterator<String> keys = config.getKeys(); keys.hasNext();)
 79  
         {
 80  3
             String key = keys.next();
 81  3
             Object property = config.getProperty(key);
 82  
 
 83  
             // turn lists into vectors
 84  3
             if (property instanceof List)
 85  
             {
 86  1
                 property = new ArrayList<Object>((List<?>) property);
 87  
             }
 88  
 
 89  3
             props.setProperty(key, property);
 90  3
         }
 91  
 
 92  1
         return props;
 93  
     }
 94  
 
 95  
     /**
 96  
      * Convert a Configuration class into a Properties class. List properties
 97  
      * are joined into a string using the delimiter of the configuration if it
 98  
      * extends AbstractConfiguration, and a comma otherwise.
 99  
      *
 100  
      * @param config Configuration object to convert
 101  
      * @return Properties created from the Configuration
 102  
      */
 103  
     public static Properties getProperties(Configuration config)
 104  
     {
 105  3
         Properties props = new Properties();
 106  
 
 107  3
         char delimiter = (config instanceof AbstractConfiguration)
 108  
             ? ((AbstractConfiguration) config).getListDelimiter() : ',';
 109  
 
 110  3
         for (Iterator<String> keys = config.getKeys(); keys.hasNext();)
 111  
         {
 112  9
             String key = keys.next();
 113  9
             List<Object> list = config.getList(key);
 114  
 
 115  
             // turn the list into a string
 116  9
             props.setProperty(key, StringUtils.join(list.iterator(), delimiter));
 117  9
         }
 118  
 
 119  3
         return props;
 120  
     }
 121  
 
 122  
     /**
 123  
      * Convert a Configuration class into a Map class.
 124  
      *
 125  
      * @param config Configuration object to convert
 126  
      * @return Map created from the Configuration
 127  
      */
 128  
     public static Map<Object, Object> getMap(Configuration config)
 129  
     {
 130  1
         return new ConfigurationMap(config);
 131  
     }
 132  
 
 133  
 }