public void actionPerformed(ActionEvent e){
        String command = e.getActionCommand();
        if(command.equals("Join Game")){
            serverResponseArea.append("Sending join game request\n");
            try{
                clientHOPP.send(new Message(JOIN_REQUEST));
                Message msg = (Message)clientHOPP.receive();
                if(msg.getType() == JOIN_ACK){    
                    serverResponseArea.append("Successfully joined game\n");
                    activeGame = true;
                    joinButton.setEnabled(false);
                }
            } catch (IOException e1) {
                serverResponseArea.append("Communication Error: "+e1.getMessage());
            } catch (ClassNotFoundException cnf) {
                serverResponseArea.append(cnf.getMessage());
            }
        }
        else if(command.equals("Submit Guess")){
            String inString = guessField.getText().trim();
            if(inString == null || inString.length() == 0){
                serverResponseArea.append("Please enter a number \n");
            }
            int input = Integer.parseInt(inString);
            serverResponseArea.append("Guess is: " + inString +"\n");
            try{
                clientHOPP.send(new Message(input));
                /*Test*/serverResponseArea.append(input+" sent.\n");
                guessField.setText("");
                Message inMsg = (Message)clientHOPP.receive();
                if(inMsg.getType()== GUESS_RESPONSE)
                {    
                    GuessResponse response = (GuessResponse)inMsg.getMessageContents();
                    if(response.getResponseType()==HIGHER)
                        serverResponseArea.append("(Guess # "+response.getGuessNumber()+"): HIGHER!");
                    else if(response.getResponseType() == LOWER)
                        serverResponseArea.append("(Guess # "+response.getGuessNumber()+"): LOWER!");
                    else if(response.getResponseType() == INVALID_NUMBER)
                        serverResponseArea.append("Invalid number. Please choose a number between 1 - 999");
                    else if(response.getResponseType() == WIN)
                        serverResponseArea.append("Congratulations. You Win in "+response.getGuessNumber()+" guesses");
                    else if(response.getResponseType() == LOSE)
                        serverResponseArea.append("Sorry, you lose");
                }
            } catch (IOException e1) {
                // TODO Auto-generated catch block
                e1.printStackTrace();
            } catch(ClassNotFoundException cnf){
                serverResponseArea.append(cnf.getMessage());
            }
            serverResponseArea.append(inString+"\n");
            guessField.setText("");
        } 
    }
}