001    /*
002      GRANITE DATA SERVICES
003      Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.
004    
005      This file is part of Granite Data Services.
006    
007      Granite Data Services is free software; you can redistribute it and/or modify
008      it under the terms of the GNU Library General Public License as published by
009      the Free Software Foundation; either version 2 of the License, or (at your
010      option) any later version.
011    
012      Granite Data Services is distributed in the hope that it will be useful, but
013      WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014      FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015      for more details.
016    
017      You should have received a copy of the GNU Library General Public License
018      along with this library; if not, see <http://www.gnu.org/licenses/>.
019    */
020    
021    package org.granite.generator.as3;
022    
023    import java.io.Serializable;
024    import java.math.BigDecimal;
025    import java.math.BigInteger;
026    import java.math.MathContext;
027    import java.math.RoundingMode;
028    import java.net.URI;
029    import java.net.URL;
030    import java.util.Calendar;
031    import java.util.Collection;
032    import java.util.Date;
033    import java.util.HashMap;
034    import java.util.Locale;
035    import java.util.Map;
036    
037    import org.granite.util.ClassUtil;
038    import org.w3c.dom.Document;
039    
040    /**
041     * @author Franck WOLFF
042     */
043    public class DefaultAs3TypeFactory implements As3TypeFactory {
044    
045        ///////////////////////////////////////////////////////////////////////////
046        // Fields.
047    
048        private final Map<Class<?>, As3Type> java2As3Type = new HashMap<Class<?>, As3Type>();
049    
050        ///////////////////////////////////////////////////////////////////////////
051        // Constructors.
052    
053        public DefaultAs3TypeFactory() {
054            java2As3Type.put(Double.class, As3Type.NUMBER);
055            java2As3Type.put(Double.TYPE, As3Type.NUMBER);
056            java2As3Type.put(Float.class, As3Type.NUMBER);
057            java2As3Type.put(Float.TYPE, As3Type.NUMBER);
058            java2As3Type.put(Long.class, As3Type.NUMBER);
059            java2As3Type.put(Long.TYPE, As3Type.NUMBER);
060            java2As3Type.put(Integer.class, As3Type.NUMBER);
061            java2As3Type.put(Integer.TYPE, As3Type.INT);
062            java2As3Type.put(Short.class, As3Type.NUMBER);
063            java2As3Type.put(Short.TYPE, As3Type.INT);
064            java2As3Type.put(Byte.class, As3Type.NUMBER);
065            java2As3Type.put(Byte.TYPE, As3Type.INT);
066    
067            java2As3Type.put(MathContext.class, As3Type.MATH_CONTEXT);
068            java2As3Type.put(RoundingMode.class, As3Type.ROUNDING_MODE);
069    
070            java2As3Type.put(Boolean.class, As3Type.BOOLEAN);
071            java2As3Type.put(Boolean.TYPE, As3Type.BOOLEAN);
072    
073            java2As3Type.put(String.class, As3Type.STRING);
074            java2As3Type.put(Character.class, As3Type.STRING);
075            java2As3Type.put(Character.TYPE, As3Type.STRING);
076            java2As3Type.put(Locale.class, As3Type.STRING);
077            java2As3Type.put(URL.class, As3Type.STRING);
078            java2As3Type.put(URI.class, As3Type.STRING);
079    
080            java2As3Type.put(Object.class, As3Type.OBJECT);
081            java2As3Type.put(Serializable.class, As3Type.OBJECT);
082    
083            java2As3Type.put(Enum.class, As3Type.ENUM);
084        }
085    
086        ///////////////////////////////////////////////////////////////////////////
087        // Fields.
088    
089        public void configure(boolean externalizeLong, boolean externalizeBigInteger, boolean externalizeBigDecimal) {
090            if (externalizeLong) {
091                    java2As3Type.put(Long.class, As3Type.LONG);
092                    java2As3Type.put(Long.TYPE, As3Type.LONG);
093            }
094            if (externalizeBigInteger)
095                    java2As3Type.put(BigInteger.class, As3Type.BIG_INTEGER);
096            if (externalizeBigDecimal)
097                    java2As3Type.put(BigDecimal.class, As3Type.BIG_DECIMAL);
098            }
099    
100            public As3Type getAs3Type(Class<?> jType) {
101            As3Type as3Type = getFromCache(jType);
102    
103            if (as3Type == null) {
104                if (Date.class.isAssignableFrom(jType) || Calendar.class.isAssignableFrom(jType)) {
105                    as3Type = As3Type.DATE;
106                }
107                else if (Number.class.isAssignableFrom(jType)) {
108                    as3Type = As3Type.NUMBER;
109                }
110                else if (Document.class.isAssignableFrom(jType)) {
111                    as3Type = As3Type.XML;
112                }
113                else if (jType.isArray()) {
114                    Class<?> componentType = jType.getComponentType();
115                    if (Byte.class.equals(componentType) || Byte.TYPE.equals(componentType))
116                        as3Type = As3Type.BYTE_ARRAY;
117                    else if (Character.class.equals(componentType) || Character.TYPE.equals(componentType))
118                        as3Type = As3Type.STRING;
119                    else
120                        as3Type = As3Type.ARRAY;
121                }
122                else if (Collection.class.isAssignableFrom(jType)) {
123                    as3Type = As3Type.ARRAY_COLLECTION;
124                }
125                else if (Map.class.isAssignableFrom(jType)) {
126                    as3Type = As3Type.IMAP;
127                }
128                else if (jType.getName().equals("com.google.appengine.api.datastore.Key")) {
129                    as3Type = As3Type.STRING;
130                }
131                else {
132                    as3Type = createAs3Type(jType);
133                }
134    
135                putInCache(jType, as3Type);
136            }
137    
138            return as3Type;
139        }
140    
141        protected As3Type createAs3Type(Class<?> jType) {
142            String name = jType.getSimpleName();
143            if (jType.isMemberClass())
144                    name = jType.getEnclosingClass().getSimpleName() + '$' + jType.getSimpleName();
145            return new As3Type(ClassUtil.getPackageName(jType), name);
146        }
147    
148        protected As3Type getFromCache(Class<?> jType) {
149            if (jType == null)
150                throw new NullPointerException("jType must be non null");
151            return java2As3Type.get(jType);
152        }
153    
154        protected void putInCache(Class<?> jType, As3Type as3Type) {
155            if (jType == null || as3Type == null)
156                throw new NullPointerException("jType and as3Type must be non null");
157            java2As3Type.put(jType, as3Type);
158        }
159    }