    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
    043    package org.jfree.xml.generator.model;
    044
    045    import java.util.ArrayList;
    046    import java.util.HashMap;
    047
    048    import org.jfree.util.Log;
    049
    050    /**
    051     * A mapping model.
    052     */
    053    public 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    }