Source for org.jfree.xml.generator.model.MappingModel

   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:  * MappingModel.java
  29:  * -----------------
  30:  * (C)opyright 2003, 2004, by Thomas Morgner and Contributors.
  31:  *
  32:  * Original Author:  Thomas Morgner;
  33:  * Contributor(s):   David Gilbert (for Object Refinery Limited);
  34:  *
  35:  * $Id: MappingModel.java,v 1.3 2005/10/18 13:32:37 mungady Exp $
  36:  *
  37:  * Changes 
  38:  * -------
  39:  * 20-Nov-2003 : Initial version
  40:  *  
  41:  */
  42: 
  43: package org.jfree.xml.generator.model;
  44: 
  45: import java.util.ArrayList;
  46: import java.util.HashMap;
  47: 
  48: import org.jfree.util.Log;
  49: 
  50: /**
  51:  * A mapping model.
  52:  */
  53: public class MappingModel {
  54:     
  55:     /** Mapping infos. */
  56:     private HashMap mappingInfos;
  57:     
  58:     /** The manual mappings. */
  59:     private ArrayList manualMappings;
  60:     
  61:     /** The multiplex mappings. */
  62:     private ArrayList multiplexMappings;
  63: 
  64:     /**
  65:      * Creates a new instance.
  66:      */
  67:     public MappingModel() {
  68:         this.mappingInfos = new HashMap();
  69:         this.manualMappings = new ArrayList();
  70:         this.multiplexMappings = new ArrayList();
  71:     }
  72: 
  73:     /**
  74:      * Returns the multiplex mapping info.
  75:      * 
  76:      * @return The multiplex mapping info.
  77:      */
  78:     public MultiplexMappingInfo[] getMultiplexMapping() {
  79:         return (MultiplexMappingInfo[]) this.multiplexMappings.toArray(
  80:             new MultiplexMappingInfo[this.multiplexMappings.size()]
  81:         );
  82:     }
  83: 
  84:     /**
  85:      * Returns the manual mapping info.
  86:      * 
  87:      * @return The manual mapping info.
  88:      */
  89:     public ManualMappingInfo[] getManualMapping() {
  90:         return (ManualMappingInfo[]) this.manualMappings.toArray(
  91:             new ManualMappingInfo[this.manualMappings.size()]
  92:         );
  93:     }
  94: 
  95:     /**
  96:      * Adds a manual mapping.
  97:      * 
  98:      * @param mappingInfo  the mapping.
  99:      */
 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: }