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.externalizer;
022
023import java.io.IOException;
024import java.io.ObjectInput;
025import java.io.ObjectOutput;
026import java.lang.reflect.InvocationTargetException;
027import java.math.MathContext;
028
029import org.granite.messaging.amf.io.util.instantiator.MathContextInstantiator;
030
031/**
032 * @author Franck WOLFF
033 */
034public class MathContextExternalizer extends DefaultExternalizer {
035
036        public MathContextExternalizer() {
037        }
038
039        @Override
040        public int accept(Class<?> clazz) {
041                return (clazz == MathContext.class ? 1 : -1);
042        }
043
044        @Override
045        public Object newInstance(String type, ObjectInput in) throws IOException, ClassNotFoundException,
046                        InstantiationException, InvocationTargetException, IllegalAccessException {
047                return new MathContextInstantiator();
048        }
049
050        @Override
051        public void writeExternal(Object o, ObjectOutput out) throws IOException, IllegalAccessException {
052                MathContext mc = (MathContext)o;
053                out.writeObject(mc.getPrecision());
054                out.writeObject(mc.getRoundingMode());
055        }
056}