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Java > Open Source Codes > org > jfree > xml > util > MultiplexMappingDefinition


1 /* ========================================================================
2  * JCommon : a free general purpose class library for the Java(tm) platform
3  * ========================================================================
4  *
5  * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
6  *
7  * Project Info: http://www.jfree.org/jcommon/index.html
8  *
9  * This library is free software; you can redistribute it and/or modify it
10  * under the terms of the GNU Lesser General Public License as published by
11  * the Free Software Foundation; either version 2.1 of the License, or
12  * (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful, but
15  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17  * License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22  * USA.
23  *
24  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
25  * in the United States and other countries.]
26  *
27  * -------------------------------
28  * MultiplexMappingDefinition.java
29  * -------------------------------
30  * (C)opyright 2003-2005, by Thomas Morgner and Contributors.
31  *
32  * Original Author: Thomas Morgner;
33  * Contributor(s): David Gilbert (for Object Refinery Limited);
34  *
35  * $Id: MultiplexMappingDefinition.java,v 1.3 2005/10/18 13:33:53 mungady Exp $
36  *
37  * Changes
38  * -------
39  * 22-Nov-2003 : Initial version
40  *
41  */
42
43 package org.jfree.xml.util;
44
45 import java.util.HashMap JavaDoc;
46
47 /**
48  * Maps a class to ...
49  */
50 public class MultiplexMappingDefinition {
51
52     /** The class. */
53     private Class JavaDoc baseClass;
54
55     /** The attribute name. */
56     private String JavaDoc attributeName;
57     
58     /** The forward mappings. */
59     private HashMap JavaDoc forwardMappings;
60     
61     /** The reverse mappings. */
62     private HashMap JavaDoc reverseMappings;
63
64     /**
65      * Creates a new mapping definition.
66      *
67      * @param baseClass the class.
68      * @param attributeName the attribute name.
69      * @param entries the entries.
70      */
71     public MultiplexMappingDefinition(final Class JavaDoc baseClass,
72                                       final String JavaDoc attributeName,
73                                       final MultiplexMappingEntry[] entries) {
74         
75         this.attributeName = attributeName;
76         this.baseClass = baseClass;
77         this.forwardMappings = new HashMap JavaDoc();
78         this.reverseMappings = new HashMap JavaDoc();
79
80         for (int i = 0; i < entries.length; i++) {
81             final MultiplexMappingEntry entry = entries[i];
82             this.forwardMappings.put(entry.getAttributeValue(), entry);
83             this.reverseMappings.put(entry.getTargetClass(), entry);
84         }
85     }
86
87     /**
88      * Returns the attribute name.
89      *
90      * @return The attribute name.
91      */
92     public String JavaDoc getAttributeName() {
93         return this.attributeName;
94     }
95
96     /**
97      * Returns the class.
98      *
99      * @return The class.
100      */
101     public Class JavaDoc getBaseClass() {
102         return this.baseClass;
103     }
104
105     /**
106      * Returns a mapping entry for a type.
107      *
108      * @param type the type.
109      *
110      * @return The mapping entry.
111      */
112     public MultiplexMappingEntry getEntryForType(final String JavaDoc type) {
113         return (MultiplexMappingEntry) this.forwardMappings.get(type);
114     }
115
116     /**
117      * Returns a mapping entry for a class.
118      *
119      * @param clazz the class.
120      *
121      * @return The mapping entry.
122      */
123     public MultiplexMappingEntry getEntryForClass(final String JavaDoc clazz) {
124         return (MultiplexMappingEntry) this.reverseMappings.get(clazz);
125     }
126 }
127
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