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Java > Open Source Codes > com > protomatter > syslog > xml > XMLConfigUtil


1 package com.protomatter.syslog.xml;
2
3 /**
4  * {{{ The Protomatter Software License, Version 1.0
5  * derived from The Apache Software License, Version 1.1
6  *
7  * Copyright (c) 1998-2002 Nate Sammons. All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
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16  * 2. Redistributions in binary form must reproduce the above copyright
17  * notice, this list of conditions and the following disclaimer in
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22  * if any, must include the following acknowledgment:
23  * "This product includes software developed for the
24  * Protomatter Software Project
25  * (http://protomatter.sourceforge.net/)."
26  * Alternately, this acknowledgment may appear in the software itself,
27  * if and wherever such third-party acknowledgments normally appear.
28  *
29  * 4. The names "Protomatter" and "Protomatter Software Project" must
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32  * permission, please contact support@protomatter.com.
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34  * 5. Products derived from this software may not be called "Protomatter",
35  * nor may "Protomatter" appear in their name, without prior written
36  * permission of the Protomatter Software Project
37  * (support@protomatter.com).
38  *
39  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
40  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
41  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
42  * DISCLAIMED. IN NO EVENT SHALL THE PROTOMATTER SOFTWARE PROJECT OR
43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
45  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
46  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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50  * SUCH DAMAGE. }}}
51  */
52
53 import org.jdom.*;
54
55 /**
56  * XML configuration utility.
57  */
58 public class XMLConfigUtil
59 {
60   /**
61    * Get the helper class for the given object.
62    *
63    * A helper class is a class that implements the
64    * {@link com.protomatter.syslog.xml.XMLConfigHelper XMLConfigHelper}
65    * interface. This method takes the class of the given
66    * object and looks for a helper class in an "<tt>xml</tt>"
67    * package under the given object's package. The name of the
68    * helper class is the same as the name of the object's class,
69    * except it has "<TT>_Helper</tt>" appended to it.<P>
70    *
71    * For example, the helper class name for
72    * "<TT>com.protomatter.syslog.FileLog</TT>" would be
73    * "<TT>com.protomatter.syslog.xml.FileLog_Helper</TT>".
74    */
75   public static XMLConfigHelper getConfigHelper(Object JavaDoc o)
76   throws InstantiationException JavaDoc, ClassNotFoundException JavaDoc, IllegalAccessException JavaDoc
77   {
78     String JavaDoc cName = o.getClass().getName();
79     String JavaDoc pName = cName.substring(0, cName.lastIndexOf("."));
80     String JavaDoc name = cName.substring(cName.lastIndexOf("."));
81     String JavaDoc helper = pName + ".xml" + name + "_Helper";
82     return (XMLConfigHelper)Class.forName(helper).newInstance();
83   }
84 }
85
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