001    /* ========================================================================
002     * JCommon : a free general purpose class library for the Java(tm) platform
003     * ========================================================================
004     *
005     * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
006     * 
007     * Project Info:  http://www.jfree.org/jcommon/index.html
008     *
009     * This library is free software; you can redistribute it and/or modify it 
010     * under the terms of the GNU Lesser General Public License as published by 
011     * the Free Software Foundation; either version 2.1 of the License, or 
012     * (at your option) any later version.
013     *
014     * This library is distributed in the hope that it will be useful, but 
015     * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
016     * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
017     * License for more details.
018     *
019     * You should have received a copy of the GNU Lesser General Public
020     * License along with this library; if not, write to the Free Software
021     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
022     * USA.  
023     *
024     * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
025     * in the United States and other countries.]
026     * 
027     * -------------------------------
028     * MultiplexMappingDefinition.java
029     * -------------------------------
030     * (C)opyright 2003-2005, by Thomas Morgner and Contributors.
031     *
032     * Original Author:  Thomas Morgner;
033     * Contributor(s):   David Gilbert (for Object Refinery Limited);
034     *
035     * $Id: MultiplexMappingDefinition.java,v 1.3 2005/10/18 13:33:53 mungady Exp $
036     *
037     * Changes 
038     * -------
039     * 22-Nov-2003 : Initial version
040     *  
041     */
042    
043    package org.jfree.xml.util;
044    
045    import java.util.HashMap;
046    
047    /**
048     * Maps a class to ...
049     */
050    public class MultiplexMappingDefinition {
051    
052        /** The class. */
053        private Class baseClass;
054    
055        /** The attribute name. */
056        private String attributeName;
057        
058        /** The forward mappings. */
059        private HashMap forwardMappings;
060        
061        /** The reverse mappings. */
062        private HashMap reverseMappings;
063    
064        /**
065         * Creates a new mapping definition.
066         * 
067         * @param baseClass  the class.
068         * @param attributeName  the attribute name.
069         * @param entries  the entries.
070         */
071        public MultiplexMappingDefinition(final Class baseClass,
072                                          final String attributeName,
073                                          final MultiplexMappingEntry[] entries) {
074            
075            this.attributeName = attributeName;
076            this.baseClass = baseClass;
077            this.forwardMappings = new HashMap();
078            this.reverseMappings = new HashMap();
079    
080            for (int i = 0; i < entries.length; i++) {
081                final MultiplexMappingEntry entry = entries[i];
082                this.forwardMappings.put(entry.getAttributeValue(), entry);
083                this.reverseMappings.put(entry.getTargetClass(), entry);
084            }
085        }
086    
087        /**
088         * Returns the attribute name.
089         * 
090         * @return The attribute name.
091         */
092        public String getAttributeName() {
093            return this.attributeName;
094        }
095    
096        /**
097         * Returns the class.
098         * 
099         * @return The class.
100         */
101        public Class 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 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 clazz) {
124            return (MultiplexMappingEntry) this.reverseMappings.get(clazz);
125        }
126    }