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
021package org.granite.messaging.amf.io.util;
022
023import java.lang.reflect.Field;
024import java.lang.reflect.Modifier;
025import java.util.ArrayList;
026import java.util.HashSet;
027import java.util.Hashtable;
028import java.util.List;
029import java.util.Map;
030import java.util.Set;
031
032import org.granite.util.Introspector;
033import org.granite.util.PropertyDescriptor;
034
035/**
036 * @author Franck WOLFF
037 */
038public class DefaultGroovyClassDescriptor extends JavaClassDescriptor {
039
040    public DefaultGroovyClassDescriptor(Class<?> type) {
041        super(type);
042    }
043
044    @Override
045    protected List<Property> introspectProperties() {
046        List<Property> properties = null;
047        Class<?> type = getType();
048
049        if (!isExternalizable() && !Map.class.isAssignableFrom(type) && !Hashtable.class.isAssignableFrom(type)) {
050            properties = new ArrayList<Property>();
051
052            try {
053                Set<String> propertyNames = new HashSet<String>();
054
055                // Add read/write properties (ie: public getter/setter).
056                Introspector.flushFromCaches(type);     // Ensure that we don't get a cached reference, the Groovy class could have been modified
057                PropertyDescriptor[] descs = Introspector.getPropertyDescriptors(type);
058                for (PropertyDescriptor property : descs) {
059                    String propertyName = property.getName();
060                    if (property.getWriteMethod() != null && property.getReadMethod() != null) {
061                        properties.add(new MethodProperty(converters, propertyName, property.getWriteMethod(), property.getReadMethod()));
062                        propertyNames.add(propertyName);
063                    }
064                }
065
066                // Add other public fields.
067                Field[] fields = type.getFields();
068                for (Field field : fields) {
069                    String propertyName = field.getName();
070                    if (!propertyNames.contains(propertyName) &&
071                        !Modifier.isStatic(field.getModifiers()) &&
072                        !Modifier.isTransient(field.getModifiers())) {
073                        properties.add(new FieldProperty(converters, field));
074                        propertyNames.add(propertyName);
075                    }
076                }
077            }
078            catch (RuntimeException e) {
079                throw e;
080            }
081            catch (Exception e) {
082                throw new RuntimeException(e);
083            }
084        }
085
086        return properties;
087    }
088}