ca.lambtoncollege.hauntedhouse.client.Client.java Source code

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Here is the source code for ca.lambtoncollege.hauntedhouse.client.Client.java

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package ca.lambtoncollege.hauntedhouse.client;

import io.netty.bootstrap.Bootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.ssl.SslContext;
import io.netty.handler.ssl.util.SelfSignedCertificate;
import java.io.BufferedReader;
import java.io.InputStreamReader;

/**
 *
 * @author alpenliebe <alpseinstein@gmail.com>
 */
public class Client {
    static final String HOST = System.getProperty("host", PropertyMgr.HOST);
    static final int PORT = Integer.parseInt(System.getProperty("port", PropertyMgr.PORT));
    static final boolean SSL = System.getProperty("ssl") != null;

    public static void main(String[] args) throws Exception {
        // Configure SSL.
        final SslContext sslCtx;
        if (SSL) {
            SelfSignedCertificate ssc = new SelfSignedCertificate();
            sslCtx = SslContext.newServerContext(ssc.certificate(), ssc.privateKey());
        } else {
            sslCtx = null;
        }
        EventLoopGroup group = new NioEventLoopGroup();
        try {
            Bootstrap b = new Bootstrap();
            b.group(group).channel(NioSocketChannel.class).handler(new ClientInitializer(sslCtx));
            // Start the connection attempt.
            Channel ch = b.connect(HOST, PORT).sync().channel();
            // Read commands from the stdin.
            ChannelFuture lastWriteFuture = null;
            BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
            for (;;) {
                String line = in.readLine();
                if (line == null) {
                    break;
                }
                String[] array = PropertyMgr.split(line);
                // Sends the received line to the server.
                lastWriteFuture = ch.writeAndFlush(line + "\r\n");
                // If user typed the 'bye' command, wait until the server closes
                // the connection.
                if (array[0].equals(PropertyMgr.BYE + "")) {
                    ch.closeFuture().sync();
                    break;
                }
            }
            // Wait until all messages are flushed before closing the channel.
            if (lastWriteFuture != null) {
                lastWriteFuture.sync();
            }
        } finally {
            // The connection is closed automatically on shutdown.
            group.shutdownGracefully();
        }
    }
}