CharacterTemplate.java

//
// MessagePack for Java
//
// Copyright (C) 2009-2011 FURUHASHI Sadayuki
//
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
//
//        http://www.apache.org/licenses/LICENSE-2.0
//
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.
//
package org.msgpack.template;

import java.io.IOException;
import org.msgpack.MessageTypeException;
import org.msgpack.packer.Packer;
import org.msgpack.unpacker.Unpacker;

/**
 * CharacterTemplate<br/>
 *
 * @author  watabiki
 */
public class CharacterTemplate extends AbstractTemplate<Character> {

    private CharacterTemplate() { }

    @Override
    public void write(Packer pk, Character target, boolean required) throws IOException {
        if (target == null) {
            if (required) {
                throw new MessageTypeException("Attempted to write null");
            }
            pk.writeNil();
            return;
        }
        pk.write((int)(char)target);
    }

    @Override
    public Character read(Unpacker u, Character to, boolean required) throws IOException {
        if (!required && u.trySkipNil()) {
            return null;
        }
        return (char) u.readInt();
    }

    static public CharacterTemplate getInstance() {
        return instance;
    }

    static final CharacterTemplate instance = new CharacterTemplate();
}