CharCodec.java

/**
 * Copyright 2014 Duan Bingnan
 * 
 * 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.pinus4j.serializer.codec.impl;

import org.pinus4j.serializer.codec.Codec;
import org.pinus4j.serializer.codec.CodecConfig;
import org.pinus4j.serializer.codec.CodecType;
import org.pinus4j.serializer.io.DataInput;
import org.pinus4j.serializer.io.DataOutput;

/**
 * @author duanbn
 */
public class CharCodec implements Codec<Character> {

    public void encode(DataOutput output, Character v, CodecConfig config) {
        output.writeByte(CodecType.TYPE_OCHAR);

        if (v == null) {
            output.writeByte(CodecType.NULL);
        } else {
            output.writeByte(CodecType.NOT_NULL);
            output.writeChar(v);
        }
    }

    public Character decode(DataInput input, CodecConfig config) {
        byte isNull = input.readByte();
        if (isNull == CodecType.NULL) {
            return null;
        }
        return input.readChar();
    }

}