BaseServerHandler.java

package com.lyncc.netty.stickpackage.correct;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.util.CharsetUtil;

public class BaseServerHandler extends ChannelInboundHandlerAdapter{
    
    
    private int counter;
    
    
    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
        
        ByteBuf buf = (ByteBuf)msg;
        byte[] req = new byte[buf.readableBytes()];
        buf.readBytes(req);
        String body = new String(req, CharsetUtil.UTF_8).substring(0, req.length - System.getProperty("line.separator").length());
        System.out.println("server receive order : " + body + ";the counter is: " + ++counter);
        String currentTime = "QUERY TIME ORDER".equalsIgnoreCase(body) ? new java.util.Date(
                System.currentTimeMillis()).toString() : "BAD ORDER";
            currentTime = currentTime + System.getProperty("line.separator");
            ByteBuf resp = Unpooled.copiedBuffer(currentTime.getBytes());
            ctx.writeAndFlush(resp);
    }
    
    
    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        cause.printStackTrace();
        ctx.close();
    }

}