com.jayqqaa12.jbase.tcp.netty.code.DreamJSONEncoder.java Source code

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Here is the source code for com.jayqqaa12.jbase.tcp.netty.code.DreamJSONEncoder.java

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/*
 * Copyright (c) 2015 www.caniu.com - ?
 * 
 * This software is the confidential and proprietary information of
 * luckin Group. You shall not disclose such confidential information 
 * and shall use it only in accordance with the terms of the license 
 * agreement you entered into with www.cainiu.com
 */
package com.jayqqaa12.jbase.tcp.netty.code;

import com.alibaba.fastjson.JSON;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToByteEncoder;
import org.apache.commons.lang3.StringUtils;

import java.util.HashMap;
import java.util.Map;

/**
 *
 * ??:windows?json??GBK?
 *
 * @author  boyce
 * @created 2015723 ?4:41:03
 * @since   v1.0.0
 */
public class DreamJSONEncoder extends MessageToByteEncoder<String> {
    @Override
    protected void encode(ChannelHandlerContext ctx, String msg, ByteBuf out) throws Exception {
        //      System.out.println("begin encode");
        if (StringUtils.isEmpty(msg)) {
            return;
        }
        byte[] message = msg.getBytes("UTF-8");
        out.writeInt(message.length);
        out.writeBytes(message);
        //      System.out.println("end encode");
    }

    public static void main(String[] args) {
        Map<String, Object> map = new HashMap<String, Object>();
        map.put("a", (byte) 1);
        map.put("b", 1.2);
        map.put("c", "xxxx");
        System.out.println(JSON.toJSONString(map));
    }
}