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.persistence;
023    
024    import java.lang.reflect.ParameterizedType;
025    import java.lang.reflect.Type;
026    import java.util.ArrayList;
027    import java.util.List;
028    
029    import org.granite.config.GraniteConfig;
030    import org.granite.context.GraniteContext;
031    import org.granite.messaging.amf.io.convert.Converters;
032    
033    /**
034     * @author Franck WOLFF
035     */
036    public class ExternalizablePersistentList extends AbstractExternalizablePersistentCollection {
037    
038        private static final long serialVersionUID = 1L;
039    
040        public ExternalizablePersistentList() {
041        }
042    
043            public ExternalizablePersistentList(List<?> content, boolean initialized, boolean dirty) {
044                    super(null, initialized, dirty);
045                    setContentFromList(content);
046            }
047    
048            public ExternalizablePersistentList(Object[] content, boolean initialized, boolean dirty) {
049                    super(content, initialized, dirty);
050            }
051            
052            public List<?> getContentAsList(Type target) {
053                    List<Object> list = null;
054                    if (content != null) {
055                            list = new ArrayList<Object>(content.length);
056                            
057                GraniteConfig config = GraniteContext.getCurrentInstance().getGraniteConfig();
058                Converters converters = config.getConverters();
059                            Type[] typeArguments = null;
060                            if (target instanceof ParameterizedType)
061                                    typeArguments = ((ParameterizedType)target).getActualTypeArguments();
062                            
063                    for (Object o : content) {
064                            if (typeArguments != null)
065                                    list.add(converters.convert(o, typeArguments[0]));
066                            else
067                                    list.add(o);
068                    }
069                    }
070            return list;
071            }
072            
073            public void setContentFromList(List<?> list) {
074                    content = (list != null ? list.toArray() : null);
075            }
076    }