    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}