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 * MappingModel.java
029 * -----------------
030 * (C)opyright 2003, 2004, by Thomas Morgner and Contributors.
031 *
032 * Original Author:  Thomas Morgner;
033 * Contributor(s):   David Gilbert (for Object Refinery Limited);
034 *
035 * $Id: MappingModel.java,v 1.3 2005/10/18 13:32:37 mungady Exp $
036 *
037 * Changes 
038 * -------
039 * 20-Nov-2003 : Initial version
040 *  
041 */
042
043package org.jfree.xml.generator.model;
044
045import java.util.ArrayList;
046import java.util.HashMap;
047
048import org.jfree.util.Log;
049
050/**
051 * A mapping model.
052 */
053public class MappingModel {
054    
055    /** Mapping infos. */
056    private HashMap mappingInfos;
057    
058    /** The manual mappings. */
059    private ArrayList manualMappings;
060    
061    /** The multiplex mappings. */
062    private ArrayList multiplexMappings;
063
064    /**
065     * Creates a new instance.
066     */
067    public MappingModel() {
068        this.mappingInfos = new HashMap();
069        this.manualMappings = new ArrayList();
070        this.multiplexMappings = new ArrayList();
071    }
072
073    /**
074     * Returns the multiplex mapping info.
075     * 
076     * @return The multiplex mapping info.
077     */
078    public MultiplexMappingInfo[] getMultiplexMapping() {
079        return (MultiplexMappingInfo[]) this.multiplexMappings.toArray(
080            new MultiplexMappingInfo[this.multiplexMappings.size()]
081        );
082    }
083
084    /**
085     * Returns the manual mapping info.
086     * 
087     * @return The manual mapping info.
088     */
089    public ManualMappingInfo[] getManualMapping() {
090        return (ManualMappingInfo[]) this.manualMappings.toArray(
091            new ManualMappingInfo[this.manualMappings.size()]
092        );
093    }
094
095    /**
096     * Adds a manual mapping.
097     * 
098     * @param mappingInfo  the mapping.
099     */
100    public void addManualMapping(final ManualMappingInfo mappingInfo) {
101        if (!this.mappingInfos.containsKey(mappingInfo.getBaseClass())) {
102            this.manualMappings.add(mappingInfo);
103            this.mappingInfos.put(mappingInfo.getBaseClass(), mappingInfo);
104        }
105        else {
106            final Object o = this.mappingInfos.get(mappingInfo.getBaseClass());
107            if (o instanceof ManualMappingInfo) {
108                Log.info ("Duplicate manual mapping: " + mappingInfo.getBaseClass());
109            }
110            else {
111                throw new IllegalArgumentException
112                    ("This mapping is already a multiplex mapping.");
113            }
114        }
115    }
116
117    /**
118     * Adds a multiplex mapping.
119     * 
120     * @param mappingInfo  the mapping.
121     */
122    public void addMultiplexMapping(final MultiplexMappingInfo mappingInfo) {
123        if (!this.mappingInfos.containsKey(mappingInfo.getBaseClass())) {
124            this.multiplexMappings.add(mappingInfo);
125            this.mappingInfos.put(mappingInfo.getBaseClass(), mappingInfo);
126        }
127        else {
128            final Object o = this.mappingInfos.get(mappingInfo.getBaseClass());
129            if (o instanceof ManualMappingInfo) {
130                throw new IllegalArgumentException
131                    ("This mapping is already a manual mapping.");
132            }
133            else {
134                Log.info(
135                    "Duplicate Multiplex mapping: " + mappingInfo.getBaseClass(), new Exception()
136                );
137            }
138        }
139
140    }
141
142    /**
143     * Returns a multiplex mapping for the specified class.
144     * 
145     * @param baseClass  the base class.
146     * 
147     * @return The mapping.
148     */
149    public MultiplexMappingInfo lookupMultiplexMapping(final Class baseClass) {
150        final Object o = this.mappingInfos.get(baseClass);
151        if (o instanceof MultiplexMappingInfo) {
152            return (MultiplexMappingInfo) o;
153        }
154        return null;
155    }
156
157}