com.newlandframework.rpc.serialize.protostuff.ProtostuffCodecUtil.java Source code

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Here is the source code for com.newlandframework.rpc.serialize.protostuff.ProtostuffCodecUtil.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.protostuff;

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

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

/**
 * @author tangjie<https://github.com/tang-jie>
 * @filename:ProtostuffCodecUtil.java
 * @description:ProtostuffCodecUtil?
 * @blogs http://www.cnblogs.com/jietang/
 * @since 2016/10/7
 */
public class ProtostuffCodecUtil implements MessageCodecUtil {
    private static Closer closer = Closer.create();
    private ProtostuffSerializePool pool = ProtostuffSerializePool.getProtostuffPoolInstance();
    private boolean rpcDirect = false;

    public boolean isRpcDirect() {
        return rpcDirect;
    }

    public void setRpcDirect(boolean rpcDirect) {
        this.rpcDirect = rpcDirect;
    }

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

    public Object decode(byte[] body) throws IOException {
        try {
            ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(body);
            closer.register(byteArrayInputStream);
            ProtostuffSerialize protostuffSerialization = pool.borrow();
            protostuffSerialization.setRpcDirect(rpcDirect);
            Object obj = protostuffSerialization.deserialize(byteArrayInputStream);
            pool.restore(protostuffSerialization);
            return obj;
        } finally {
            closer.close();
        }
    }
}