KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > com > jcorporate > expresso > core > misc > ConfigClassHandler


1 /* ====================================================================
2  * The Jcorporate Apache Style Software License, Version 1.2 05-07-2002
3  *
4  * Copyright (c) 1995-2002 Jcorporate Ltd. All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  * notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  * notice, this list of conditions and the following disclaimer in
15  * the documentation and/or other materials provided with the
16  * distribution.
17  *
18  * 3. The end-user documentation included with the redistribution,
19  * if any, must include the following acknowledgment:
20  * "This product includes software developed by Jcorporate Ltd.
21  * (http://www.jcorporate.com/)."
22  * Alternately, this acknowledgment may appear in the software itself,
23  * if and wherever such third-party acknowledgments normally appear.
24  *
25  * 4. "Jcorporate" and product names such as "Expresso" must
26  * not be used to endorse or promote products derived from this
27  * software without prior written permission. For written permission,
28  * please contact info@jcorporate.com.
29  *
30  * 5. Products derived from this software may not be called "Expresso",
31  * or other Jcorporate product names; nor may "Expresso" or other
32  * Jcorporate product names appear in their name, without prior
33  * written permission of Jcorporate Ltd.
34  *
35  * 6. No product derived from this software may compete in the same
36  * market space, i.e. framework, without prior written permission
37  * of Jcorporate Ltd. For written permission, please contact
38  * partners@jcorporate.com.
39  *
40  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
41  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
42  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
43  * DISCLAIMED. IN NO EVENT SHALL JCORPORATE LTD OR ITS CONTRIBUTORS
44  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
45  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
46  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
47  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
48  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
49  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
50  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  * ====================================================================
53  *
54  * This software consists of voluntary contributions made by many
55  * individuals on behalf of the Jcorporate Ltd. Contributions back
56  * to the project(s) are encouraged when you make modifications.
57  * Please send them to support@jcorporate.com. For more information
58  * on Jcorporate Ltd. and its products, please see
59  * <http://www.jcorporate.com/>.
60  *
61  * Portions of this software are based upon other open source
62  * products and are subject to their respective licenses.
63  */
64
65 package com.jcorporate.expresso.core.misc;
66
67 import java.io.IOException JavaDoc;
68 import java.io.ObjectInputStream JavaDoc;
69 import java.io.ObjectOutputStream JavaDoc;
70 import java.io.Serializable JavaDoc;
71 import java.util.HashMap JavaDoc;
72 import java.util.Map JavaDoc;
73
74
75 /**
76  * Configuration bean that helps us plug different class implementation
77  * for various cases
78  * @author Michael Rimov
79  */
80
81 /**
82  * Deals with the various expresso class handlers. Used by the XML Digester
83  * for configuration startup.
84  */
85 public class ConfigClassHandler
86         implements Serializable JavaDoc {
87     private Map JavaDoc parameters = null;
88
89     /**
90      * This is the 'class category' that you're defining pluggable handlers for.
91      */
92     private String JavaDoc name;
93
94     /**
95      * This is the name of the class that you want to handle the for this handler
96      * category.
97      */
98     private String JavaDoc classHandler;
99
100     public ConfigClassHandler() {
101     }
102
103     /**
104      * Default JBuilder Bean Maker functions for reading
105      */
106     private void readObject(ObjectInputStream JavaDoc ois)
107             throws ClassNotFoundException JavaDoc, IOException JavaDoc {
108         ois.defaultReadObject();
109     }
110
111     /**
112      * Default JBuilder Bean Maker functions for writing
113      */
114     private void writeObject(ObjectOutputStream JavaDoc oos)
115             throws IOException JavaDoc {
116         oos.defaultWriteObject();
117     }
118
119     public void setName(String JavaDoc newName) {
120         name = newName;
121     }
122
123     public String JavaDoc getName() {
124         return name;
125     }
126
127     public void setClassHandler(String JavaDoc newClassHandler) {
128         classHandler = newClassHandler;
129     }
130
131     public String JavaDoc getClassHandler() {
132         return classHandler;
133     }
134
135     /**
136      * Adds a specific parameter to this class handler.
137      */
138     public synchronized void addParameter(ConfigClassHandlerParameter param) {
139         if (parameters == null) {
140             parameters = new HashMap JavaDoc();
141         }
142
143         parameters.put(param.getParamName(), param.getParamValue());
144     }
145
146     /**
147      * Returns a specific parameter value
148      */
149     public String JavaDoc getParameter(String JavaDoc parameterName) {
150         if (parameters == null) {
151             return null;
152         }
153
154         return (String JavaDoc) parameters.get(parameterName);
155     }
156 }
Popular Tags