001    /**
002     *   GRANITE DATA SERVICES
003     *   Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004     *
005     *   This file is part of the Granite Data Services Platform.
006     *
007     *   Granite Data Services is free software; you can redistribute it and/or
008     *   modify it under the terms of the GNU Lesser General Public
009     *   License as published by the Free Software Foundation; either
010     *   version 2.1 of the License, or (at your option) any later version.
011     *
012     *   Granite Data Services is distributed in the hope that it will be useful,
013     *   but WITHOUT ANY WARRANTY; without even the implied warranty of
014     *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015     *   General Public License for more details.
016     *
017     *   You should have received a copy of the GNU Lesser General Public
018     *   License along with this library; if not, write to the Free Software
019     *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020     *   USA, or see <http://www.gnu.org/licenses/>.
021     */
022    package org.granite.messaging.amf.io.util;
023    
024    import java.lang.reflect.Field;
025    import java.lang.reflect.Modifier;
026    import java.util.HashMap;
027    
028    import org.granite.util.TypeUtil;
029    import org.granite.util.Introspector;
030    import org.granite.util.PropertyDescriptor;
031    
032    /**
033     * @author Franck WOLFF
034     */
035    public class DefaultActionScriptClassDescriptor extends ActionScriptClassDescriptor {
036    
037        public DefaultActionScriptClassDescriptor(String type, byte encoding) {
038            super(type, encoding);
039        }
040    
041        @Override
042        public void defineProperty(String name) {
043    
044            if (type.length() == 0 || instantiator != null)
045                properties.add(new MapProperty(converters, name));
046            else {
047                try {
048                    Class<?> clazz = TypeUtil.forName(type);
049    
050                    // Try to find public getter/setter.
051                    PropertyDescriptor[] props = Introspector.getPropertyDescriptors(clazz);
052                    for (PropertyDescriptor prop : props) {
053                        if (name.equals(prop.getName()) && prop.getWriteMethod() != null && prop.getReadMethod() != null) {
054                            properties.add(new MethodProperty(converters, name, prop.getWriteMethod(), prop.getReadMethod()));
055                            return;
056                        }
057                    }
058    
059                    // Try to find public field.
060                    Field field = clazz.getField(name);
061                    if (!Modifier.isStatic(field.getModifiers()) && !Modifier.isTransient(field.getModifiers()))
062                        properties.add(new FieldProperty(converters, field));
063    
064                }
065                catch (NoSuchFieldException e) {
066                    if ("uid".equals(name)) // ObjectProxy specific property...
067                        properties.add(new UIDProperty(converters));
068                    else
069                            throw new RuntimeException(e);
070                }
071                catch (Exception e) {
072                    throw new RuntimeException(e);
073                }
074            }
075        }
076    
077        @Override
078        public Object newJavaInstance() {
079    
080            if (type.length() == 0)
081                return new HashMap<String, Object>();
082    
083            String className = (instantiator != null ? instantiator : type);
084            try {
085                return TypeUtil.newInstance(className);
086            } catch (Exception e) {
087                throw new RuntimeException("Could not create instance of: " + className, e);
088            }
089        }
090    }