import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.UnknownHostException;
import java.util.Set;
import org.java_websocket.WebSocket;
import org.java_websocket.WebSocketServer;
import org.java_websocket.handshake.ClientHandshake;
public class ChatServer extends WebSocketServer {
public ChatServer( int port ) throws UnknownHostException {
super( new InetSocketAddress( InetAddress.getByName( “localhost” ), port ) );
}
public ChatServer( InetSocketAddress address ) {
super( address );
}
@Override
public void onOpen( WebSocket conn, ClientHandshake handshake ) {
try {
this.sendToAll( “new” );
} catch ( InterruptedException ex ) {
ex.printStackTrace();
}
System.out.println( conn + ” entered the room!” );
}
@Override
public void onClose( WebSocket conn, int code, String reason, boolean remote ) {
try {
this.sendToAll( conn + ” has left the room!” );
} catch ( InterruptedException ex ) {
ex.printStackTrace();
}
System.out.println( conn + ” has left the room!” );
}
@Override
public void onMessage( WebSocket conn, String message ) {
try {
this.sendToAll( message );
} catch ( InterruptedException ex ) {
ex.printStackTrace();
}
System.out.println( conn + “: ” + message );
}
@Override
public void onError( WebSocket conn, Exception ex ) {
ex.printStackTrace();
}
public void sendToAll( String text ) throws InterruptedException {
Set con = connections();
synchronized ( con ) {
for( WebSocket c : con ) {
c.send( text );
}
}
}
///
public static void main( String[] args ) throws InterruptedException , IOException {
//连接部份
WebSocket.DEBUG = true;
int port = 8887;
try {
port = Integer.parseInt( args[ 0 ] );
} catch ( Exception ex ) { }
ChatServer s = new ChatServer( port );
s.start();
System.out.println( “ChatServer started on port: ” + s.getPort() );
//服务端 发送消息处理部份
BufferedReader sysin = new BufferedReader( new InputStreamReader( System.in ) );
while ( true ) {
String in = sysin.readLine();
s.sendToAll( in );
}
}
}