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MessagePack for Java is a binary-based efficient object serialization library in Java.

There is a newer version: 0.6.12

//
// 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.util.json;

import org.msgpack.MessagePack;
import org.msgpack.io.LinkedBufferOutput;
import org.msgpack.packer.BufferPacker;


public class JSONBufferPacker extends JSONPacker implements BufferPacker {
    private static final int DEFAULT_BUFFER_SIZE = 512; // TODO default buffer size

    public JSONBufferPacker() {
        this(DEFAULT_BUFFER_SIZE);
    }

    public JSONBufferPacker(int bufferSize) {
        this(new MessagePack(), bufferSize);
    }

    public JSONBufferPacker(MessagePack msgpack) {
	this(msgpack, DEFAULT_BUFFER_SIZE);
    }

    public JSONBufferPacker(MessagePack msgpack, int bufferSize) {
	super(msgpack, new LinkedBufferOutput(bufferSize));
    }

    @Override
    public byte[] toByteArray() {
        return ((LinkedBufferOutput) out).toByteArray();
    }

    @Override
    public void clear() {
        reset();
        ((LinkedBufferOutput) out).clear();
    }
}