001: package net.myvietnam.mvncore.configuration;
002:
003: /* ====================================================================
004: * The Apache Software License, Version 1.1
005: *
006: * Copyright (c) 1999-2002 The Apache Software Foundation. All rights
007: * reserved.
008: *
009: * Redistribution and use in source and binary forms, with or without
010: * modification, are permitted provided that the following conditions
011: * are met:
012: *
013: * 1. Redistributions of source code must retain the above copyright
014: * notice, this list of conditions and the following disclaimer.
015: *
016: * 2. Redistributions in binary form must reproduce the above copyright
017: * notice, this list of conditions and the following disclaimer in
018: * the documentation and/or other materials provided with the
019: * distribution.
020: *
021: * 3. The end-user documentation included with the redistribution, if
022: * any, must include the following acknowledgement:
023: * "This product includes software developed by the
024: * Apache Software Foundation (http://www.apache.org/)."
025: * Alternately, this acknowledgement may appear in the software itself,
026: * if and wherever such third-party acknowledgements normally appear.
027: *
028: * 4. The names "The Jakarta Project", "Commons", and "Apache Software
029: * Foundation" must not be used to endorse or promote products derived
030: * from this software without prior written permission. For written
031: * permission, please contact apache@apache.org.
032: *
033: * 5. Products derived from this software may not be called "Apache"
034: * nor may "Apache" appear in their names without prior written
035: * permission of the Apache Software Foundation.
036: *
037: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
038: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
039: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
040: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
041: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
042: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
043: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
044: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
045: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
046: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
047: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
048: * SUCH DAMAGE.
049: * ====================================================================
050: *
051: * This software consists of voluntary contributions made by many
052: * individuals on behalf of the Apache Software Foundation. For more
053: * information on the Apache Software Foundation, please see
054: * <http://www.apache.org/>.
055: */
056:
057: import java.util.Enumeration;
058: import java.util.Iterator;
059: import java.util.Properties;
060: import org.apache.commons.collections.ExtendedProperties;
061:
062: /**
063: * Configuration converter. <br>
064: * Helper class to convert between Configuration, ExtendedProperties and
065: * standard Properties.
066: *
067: * @author <a href="mailto:mpoeschl@marmot.at">Martin Poeschl</a>
068: * @version $Id: ConfigurationConverter.java,v 1.2 2004/05/28 22:02:58 skoehler Exp $
069: */
070: public class ConfigurationConverter {
071: /**
072: * Convert a ExtendedProperties class into a Configuration class.
073: *
074: * @param ep ExtendedProperties object to convert
075: * @return Configuration created from the ExtendedProperties
076: */
077: public static Configuration getConfiguration(ExtendedProperties ep) {
078: Configuration config = new BaseConfiguration();
079: for (Iterator i = ep.getKeys(); i.hasNext();) {
080: String key = (String) i.next();
081: config.setProperty(key, ep.getProperty(key));
082: }
083: return config;
084: }
085:
086: /**
087: * Convert a standard properties class into a configuration class.
088: *
089: * @param p properties object to convert
090: * @return Configuration configuration created from the Properties
091: */
092: public static Configuration getConfiguration(Properties p) {
093: Configuration config = new BaseConfiguration();
094: for (Enumeration e = p.keys(); e.hasMoreElements();) {
095: String key = (String) e.nextElement();
096: config.setProperty(key, p.getProperty(key));
097: }
098: return config;
099: }
100:
101: /**
102: * Convert a Configuration class into a ExtendedProperties class.
103: *
104: * @param c Configuration object to convert
105: * @return ExtendedProperties created from the Configuration
106: */
107: public static ExtendedProperties getExtendedProperties(
108: Configuration c) {
109: ExtendedProperties props = new ExtendedProperties();
110: for (Iterator i = c.getKeys(); i.hasNext();) {
111: String key = (String) i.next();
112: props.setProperty(key, c.getProperty(key));
113: }
114: return props;
115: }
116:
117: /**
118: * Convert a Configuration class into a Properties class. Multvalue keys
119: * will be collapsed by {@link Configuration#getString(String)}.
120: *
121: * @param c Configuration object to convert
122: * @return Properties created from the Configuration
123: */
124: public static Properties getProperties(Configuration c) {
125: Properties props = new Properties();
126:
127: Iterator iter = c.getKeys();
128:
129: while (iter.hasNext()) {
130: String key = (String) iter.next();
131: props.setProperty(key, c.getString(key));
132: }
133:
134: return props;
135: }
136: }
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