Source Code Cross Referenced for ConfigurationUtil.java in  » Web-Server » JicarillaHTTP » org » jicarilla » container » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Server » JicarillaHTTP » org.jicarilla.container.util 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


01:        /* ====================================================================
02:        The Jicarilla Software License
03:
04:        Copyright (c) 2003 Leo Simons.
05:        All rights reserved.
06:
07:        Permission is hereby granted, free of charge, to any person obtaining
08:        a copy of this software and associated documentation files (the
09:        "Software"), to deal in the Software without restriction, including
10:        without limitation the rights to use, copy, modify, merge, publish,
11:        distribute, sublicense, and/or sell copies of the Software, and to
12:        permit persons to whom the Software is furnished to do so, subject to
13:        the following conditions:
14:
15:        The above copyright notice and this permission notice shall be
16:        included in all copies or substantial portions of the Software.
17:
18:        THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19:        EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20:        MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21:        IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
22:        CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23:        TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24:        SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25:        ==================================================================== */
26:        package org.jicarilla.container.util;
27:
28:        import com.thoughtworks.xstream.XStream;
29:        import org.apache.avalon.framework.configuration.Configuration;
30:        import org.apache.avalon.framework.configuration.ConfigurationException;
31:        import org.apache.avalon.framework.configuration.DefaultConfigurationBuilder;
32:        import org.jicarilla.container.Resolver;
33:        import org.xml.sax.SAXException;
34:
35:        import java.io.ByteArrayInputStream;
36:        import java.io.IOException;
37:        import java.io.InputStream;
38:
39:        /**
40:         * Utility methods that encapsulate heuristics for dealing with
41:         * Avalon-Framework Configuration objects. 
42:         *
43:         * @author <a href="mail at leosimons dot com">Leo Simons</a>
44:         * @version $Id: ConfigurationUtil.java,v 1.2 2004/02/29 18:08:10 lsimons Exp $
45:         */
46:        public class ConfigurationUtil {
47:            public final static String CONFIGURATION_POSTFIX = "Configuration";
48:
49:            public static Configuration getConfiguration(
50:                    final Resolver container, final String className)
51:                    throws ConfigurationException, IOException, SAXException {
52:                final Object obj = container.get(className
53:                        + CONFIGURATION_POSTFIX);
54:
55:                if (obj == null)
56:                    throw new ConfigurationException(
57:                            "No configuration can be found for '" + className
58:                                    + "'");
59:
60:                if (obj instanceof  Configuration)
61:                    return (Configuration) obj;
62:
63:                return beanToConfiguration(obj);
64:            }
65:
66:            protected static Configuration beanToConfiguration(final Object obj)
67:                    throws SAXException, IOException, ConfigurationException {
68:                final XStream xstream = new XStream();
69:                final String configString = xstream.toXML(obj);
70:
71:                final InputStream stream = new ByteArrayInputStream(
72:                        configString.getBytes());
73:
74:                final DefaultConfigurationBuilder builder = new DefaultConfigurationBuilder();
75:                final Configuration configuration = builder.build(stream);
76:
77:                return configuration;
78:            }
79:        }
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