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


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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 }
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