Communicate.InputServerHandler.java Source code

Introduction

Here is the source code for Communicate.InputServerHandler.java

Source

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package Communicate;

import Core.Message;
import Core.MessageNotifier;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.io.xml.StaxDriver;
import io.netty.channel.ChannelHandler.Sharable;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;

/**
 *
 * @author rahul dev e
 */
@Sharable
public class InputServerHandler extends SimpleChannelInboundHandler<String> {

    MessageNotifier notifier;

    public InputServerHandler(MessageNotifier notifier) {
        this.notifier = notifier;

    }

    @Override
    public void channelActive(ChannelHandlerContext ctx) throws Exception {

        // inititate handshake
        Message self = Core.Node.getSelf();

        XStream xs = new XStream(new StaxDriver());
        String xml = xs.toXML(self);

        System.out.println("sending first handshake: " + xml);
        ctx.write(xml + "\r\n");
        ctx.flush();

    }

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

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
        cause.printStackTrace();
        ctx.close();
    }

    @Override
    protected void channelRead0(ChannelHandlerContext ctx, String msg) throws Exception {

        if (msg.isEmpty()) {

            //do nothing

        } else {

            XStream xs = new XStream(new StaxDriver());
            Message message = (Message) xs.fromXML(msg);

            if (message.msgType == Message.TYPE_LOGOFF) {

                ctx.close();

            }

            notifier.notifyNewMessage(message);

        }

    }

}