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 */
022package org.granite.messaging.jmf.codec.std.impl;
023
024import java.io.IOException;
025import java.lang.reflect.InvocationTargetException;
026
027import org.granite.messaging.jmf.DumpContext;
028import org.granite.messaging.jmf.InputContext;
029import org.granite.messaging.jmf.OutputContext;
030import org.granite.messaging.jmf.codec.std.ClassCodec;
031import org.granite.messaging.jmf.codec.std.impl.util.ClassNameUtil;
032
033/**
034 * @author Franck WOLFF
035 */
036public class ClassCodecImpl extends AbstractStandardCodec<Object> implements ClassCodec {
037
038        public int getObjectType() {
039                return JMF_CLASS;
040        }
041
042        public boolean canEncode(Object v) {
043                return (v instanceof Class);
044        }
045
046        public void encode(OutputContext ctx, Object v) throws IOException, IllegalAccessException {
047                String className = ((Class<?>)v).getName();
048                className = ctx.getAlias(className);
049
050                ctx.getOutputStream().write(JMF_CLASS);
051                ClassNameUtil.encodeClassName(ctx, className);
052        }
053
054        public Object decode(InputContext ctx, int parameterizedJmfType)
055                        throws IOException, ClassNotFoundException, InstantiationException,
056                        IllegalAccessException, InvocationTargetException,
057                        SecurityException, NoSuchMethodException {
058
059                String className = ClassNameUtil.decodeClassName(ctx);
060                className = ctx.getAlias(className);
061                return ctx.getReflection().loadClass(className);
062        }
063
064        public void dump(DumpContext ctx, int parameterizedJmfType) throws IOException {
065                int jmfType = ctx.getSharedContext().getCodecRegistry().extractJmfType(parameterizedJmfType);
066                
067                if (jmfType != JMF_CLASS)
068                        throw newBadTypeJMFEncodingException(jmfType, parameterizedJmfType);
069                
070                String className = ClassNameUtil.decodeClassName(ctx);
071                className = ctx.getAlias(className);
072                ctx.indentPrintLn(Class.class.getName() + ": " + className + ".class");
073        }
074}