protected void executeCommandLine(String commandLine) {
		
		String[] pieces = commandLine.split(" ");
		
		out.println("********************************************");
		out.println("Execute " + commandLine);
		out.println("********************************************");
		
		if(pieces[0].equals("create")) {
			this.create(pieces[1]);
		} else if(pieces[0].equals("login")) {
			this.login(pieces[1]);
		} else if(pieces[0].equals("logout")) {
			this.logout();
		} else if(pieces[0].equals("request")) {
			this.requestFriend(pieces[1]);
		} else if(pieces[0].equals("accept")) {
			this.acceptFriend(pieces[1]);
		} else if(pieces[0].equals("post")) {
			this.postToAll(pieces[1]);
		} else if(pieces[0].equals("read")) {
			this.readAll();
		} else if(pieces[0].equals("setsize")){
			setClusterSize(commandLine);
		}
	}