com.easy.remoting.netty.handler.EasyEncoder.java Source code

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Here is the source code for com.easy.remoting.netty.handler.EasyEncoder.java

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/**
 * Copyright (C) 2010-2013 Alibaba 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.easy.remoting.netty.handler;

import com.easy.remoting.protocol.Cmd;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToByteEncoder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.nio.ByteBuffer;

/**
 * netty?
 *
 * @author by xu.qiang
 * @date 2016/12/8.
 */
public class EasyEncoder extends MessageToByteEncoder<Cmd> {
    private static final Logger log = LoggerFactory.getLogger(EasyEncoder.class);

    @Override
    public void encode(ChannelHandlerContext ctx, Cmd cmd, ByteBuf out) throws Exception {
        try {
            ByteBuffer cmdBytes = cmd.encode();
            out.writeBytes(cmdBytes);

        } catch (Exception e) {
            log.error("encode exception: {}", e);

            ctx.channel().close().addListener(ChannelFutureListener.CLOSE);
        }
    }
}