com.dinstone.rpc.netty.server.NettyServerHandler.java Source code

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Here is the source code for com.dinstone.rpc.netty.server.NettyServerHandler.java

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/*
 * Copyright (C) 2012~2014 dinstone<dinstone@163.com>
 *
 * 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 com.dinstone.rpc.netty.server;

import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;

import com.dinstone.rpc.protocol.RpcObject;
import com.dinstone.rpc.protocol.RpcRequest;
import com.dinstone.rpc.service.ServiceHandler;

public class NettyServerHandler extends ChannelInboundHandlerAdapter {

    private ServiceHandler handler;

    public NettyServerHandler(ServiceHandler handler) {
        super();
        this.handler = handler;
    }

    @Override
    public void channelRead(ChannelHandlerContext ctx, Object message) { // (2)
        RpcRequest request = (RpcRequest) message;
        RpcObject response = handler.handle(request);
        ctx.write(response);
    }

    @Override
    public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
        ctx.flush();
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) { // (4)
        // Close the connection when an exception is raised.
        cause.printStackTrace();
        ctx.close();
    }

}