com.newlandframework.rpc.serialize.kryo.KryoCodecUtil.java Source code

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Here is the source code for com.newlandframework.rpc.serialize.kryo.KryoCodecUtil.java

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/**
 * Copyright (C) 2016 Newland Group Holding Limited
 * <p>
 * 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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 com.newlandframework.rpc.serialize.kryo;

import com.esotericsoftware.kryo.pool.KryoPool;
import io.netty.buffer.ByteBuf;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;

import com.newlandframework.rpc.serialize.MessageCodecUtil;
import com.google.common.io.Closer;

/**
 * @author tangjie<https://github.com/tang-jie>
 * @filename:KryoCodecUtil.java
 * @description:KryoCodecUtil?
 * @blogs http://www.cnblogs.com/jietang/
 * @since 2016/10/7
 */
public class KryoCodecUtil implements MessageCodecUtil {

    private KryoPool pool;
    private static Closer closer = Closer.create();

    public KryoCodecUtil(KryoPool pool) {
        this.pool = pool;
    }

    public void encode(final ByteBuf out, final Object message) throws IOException {
        try {
            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
            closer.register(byteArrayOutputStream);
            KryoSerialize kryoSerialization = new KryoSerialize(pool);
            kryoSerialization.serialize(byteArrayOutputStream, message);
            byte[] body = byteArrayOutputStream.toByteArray();
            int dataLength = body.length;
            out.writeInt(dataLength);
            out.writeBytes(body);
        } finally {
            closer.close();
        }
    }

    public Object decode(byte[] body) throws IOException {
        try {
            ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(body);
            closer.register(byteArrayInputStream);
            KryoSerialize kryoSerialization = new KryoSerialize(pool);
            Object obj = kryoSerialization.deserialize(byteArrayInputStream);
            return obj;
        } finally {
            closer.close();
        }
    }
}