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ChatClient.java
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ChatClient.java
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package deleteIt;
import io.netty.bootstrap.Bootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioSocketChannel;
import java.io.BufferedReader;
import java.io.InputStreamReader;
/**
* Simple chat client
*/
public class ChatClient {
private final String host;
private final int port;
public ChatClient(String host, int port) {
this.host = host;
this.port = port;
}
public void run() throws Exception {
EventLoopGroup group = new NioEventLoopGroup(); // 1
try {
Bootstrap b = new Bootstrap();
b.group(group)
.channel(NioSocketChannel.class)
.handler(new ChatClientInitializer()); //2
Channel ch;
// Start the connection attempt.
ch = b.connect(host, port).sync().channel(); //3
ChannelFuture lastWriteFuture;
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
while (true) {
String line = in.readLine();
lastWriteFuture = ch.writeAndFlush(line+"\n");
if (line == null) {
break;
} // Sends the received line to the server.
lastWriteFuture.addListener(new ChannelFutureListener() { // adding a listener to
public void operationComplete(ChannelFuture future) {
Channel ch = future.channel();
//ch.close(); // closing the channel once its done.
}
});
//lastWriteFuture.channel().closeFuture().sync(); //
}
}
finally{
group.shutdownGracefully();
}
}
public static void main(String[] args) throws Exception {
new ChatClient("localhost", 8000).run(); // there are better ways to do it.
}
}