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Java > Open Source Codes > net > myvietnam > mvncore > configuration > ConfigurationConverter


1 package net.myvietnam.mvncore.configuration;
2
3 /* ====================================================================
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55  */
56
57 import java.util.Enumeration JavaDoc;
58 import java.util.Iterator JavaDoc;
59 import java.util.Properties JavaDoc;
60 import org.apache.commons.collections.ExtendedProperties;
61
62
63 /**
64  * Configuration converter. <br>
65  * Helper class to convert between Configuration, ExtendedProperties and
66  * standard Properties.
67  *
68  * @author <a HREF="mailto:mpoeschl@marmot.at">Martin Poeschl</a>
69  * @version $Id: ConfigurationConverter.java,v 1.2 2004/05/28 22:02:58 skoehler Exp $
70  */
71 public class ConfigurationConverter
72 {
73     /**
74      * Convert a ExtendedProperties class into a Configuration class.
75      *
76      * @param ep ExtendedProperties object to convert
77      * @return Configuration created from the ExtendedProperties
78      */
79     public static Configuration getConfiguration(ExtendedProperties ep)
80     {
81         Configuration config = new BaseConfiguration();
82         for (Iterator JavaDoc i = ep.getKeys(); i.hasNext();)
83         {
84             String JavaDoc key = (String JavaDoc) i.next();
85             config.setProperty(key, ep.getProperty(key));
86         }
87         return config;
88     }
89
90     /**
91      * Convert a standard properties class into a configuration class.
92      *
93      * @param p properties object to convert
94      * @return Configuration configuration created from the Properties
95      */
96     public static Configuration getConfiguration(Properties JavaDoc p)
97     {
98         Configuration config = new BaseConfiguration();
99         for (Enumeration JavaDoc e = p.keys(); e.hasMoreElements();)
100         {
101             String JavaDoc key = (String JavaDoc) e.nextElement();
102             config.setProperty(key, p.getProperty(key));
103         }
104         return config;
105     }
106
107     /**
108      * Convert a Configuration class into a ExtendedProperties class.
109      *
110      * @param c Configuration object to convert
111      * @return ExtendedProperties created from the Configuration
112      */
113     public static ExtendedProperties getExtendedProperties(Configuration c)
114     {
115         ExtendedProperties props = new ExtendedProperties();
116         for (Iterator JavaDoc i = c.getKeys(); i.hasNext();)
117         {
118             String JavaDoc key = (String JavaDoc) i.next();
119             props.setProperty(key, c.getProperty(key));
120         }
121         return props;
122     }
123
124     /**
125      * Convert a Configuration class into a Properties class. Multvalue keys
126      * will be collapsed by {@link Configuration#getString(String)}.
127      *
128      * @param c Configuration object to convert
129      * @return Properties created from the Configuration
130      */
131     public static Properties JavaDoc getProperties(Configuration c)
132     {
133         Properties JavaDoc props = new Properties JavaDoc();
134
135         Iterator JavaDoc iter = c.getKeys();
136
137         while (iter.hasNext())
138         {
139             String JavaDoc key = (String JavaDoc) iter.next();
140             props.setProperty(key, c.getString(key));
141         }
142
143         return props;
144     }
145 }
146
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