Natour, O. 4/28/16 Csc-112 Exam 3

/*
 *  Skeleton Application Code for the Send Mail App
 *
 *  Prof. A.C. Silvestri
 *  CSCI-211 Intermediate Java Programming
 *  4/20/2015
 *
 *  Omar Natour
 *  4/28/16
 *  Csc-112 Java 2
 *  Exam 3
 *  Create an email client
 *  Ojnatour0001@student.stcc.edu
 */

import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.TextArea;
import javafx.scene.control.TextField;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.FlowPane;
import javafx.stage.Stage;

import java.net.*;
import java.util.Scanner;
import java.io.*;

import javax.management.RuntimeErrorException;

public class SendMailApp extends Application {
        private TextField txtTo;
        private TextField txtFrom;
        private TextField txtSubject;
        private TextArea  txtBody;
        private TextField txtStatus;
        private Button btnSend;

        @Override
        // Override the start method in the Application class
        public void start(Stage primaryStage) {
                txtTo = new TextField();
                txtTo.setPrefColumnCount(25);
                txtFrom = new TextField();
                txtFrom.setPrefColumnCount(25);
                txtSubject = new TextField();
                txtSubject.setPrefColumnCount(25);
                txtBody = new TextArea();
                txtBody.setPrefColumnCount(28);
                txtBody.setPrefRowCount(10);
                btnSend = new Button("Send Email");
                txtStatus = new TextField();
                txtStatus.setPrefColumnCount(25);
                txtStatus.setEditable(false);

                Label lblTo = new Label("Mail To:");
                lblTo.setPrefWidth(90);
                Label lblFrom = new Label("Mail From:");
                lblFrom.setPrefWidth(90);
                Label lblSubject = new Label("Subject:");
                lblSubject.setPrefWidth(90);

                FlowPane tpane = new FlowPane(5, 5);
                tpane.setAlignment(Pos.BASELINE_LEFT);
                tpane.setPadding(new Insets(10, 5, 5, 5));
                tpane.setStyle("-fx-font-weight: bold; -fx-font-size: 12pt");
                tpane.getChildren().addAll(lblTo, txtTo, lblFrom, txtFrom, lblSubject, txtSubject);

                FlowPane cpane = new FlowPane(5, 5);
                cpane.setAlignment(Pos.CENTER);
                cpane.setPadding(new Insets(5, 5, 5, 5));
                cpane.setStyle("-fx-font-weight: bold; -fx-font-size: 12pt");
                cpane.getChildren().addAll(new Label("Enter your message below:"), txtBody, btnSend);

                Label lblStatus = new Label("Status:");
                lblStatus.setPrefWidth(90);
                FlowPane bpane = new FlowPane(5, 5);
                bpane.setAlignment(Pos.BASELINE_LEFT);
                bpane.setPadding(new Insets(5, 5, 10, 5));
                bpane.setStyle("-fx-font-weight: bold; -fx-font-size: 12pt");
                bpane.getChildren().addAll(lblStatus, txtStatus);

                BorderPane bp = new BorderPane();
                bp.setTop(tpane);
                bp.setCenter(cpane);
                bp.setBottom(bpane);

                btnSend.setOnAction(e -> {
                        run();

                });

                Scene scene = new Scene(bp, 525, 520);
                primaryStage.setTitle("Send Mail Application");
                primaryStage.setScene(scene);
                primaryStage.show();
                primaryStage.setResizable(false);
        }

        private void run() {
                Socket client = null;
                PrintWriter output = null;
                Scanner input = null;

                try{

                        //create the connection
                        client = new Socket("cs.stcc.edu", 25);

                        input = new Scanner(client.getInputStream());
                        output = new PrintWriter(client.getOutputStream());

                        //greet the server
                        output.println("Helo cs.stcc.edu");
                        output.flush();
                        input.nextLine();

                        //meet the server
                        int err = input.nextInt();
                        txtStatus.setText(err + input.nextLine());
                        check(err);

                        //give the server the sending address
                        String from = txtFrom.getText();
                        output.println("MAIL FROM:" + from);
                        output.flush();
                        err = input.nextInt();
                        txtStatus.setText(err + " Error getting sender");
                        input.nextLine();
                        check(err);

                        //give the server the receiving address
                        String to = txtTo.getText();
                        output.println("RCPT TO:" + to);
                        output.flush();
                        err = input.nextInt();
                        txtStatus.setText(err + input.nextLine());
                        check(err);

                        //telling the server were ready to send it data
                        output.println("DATA");
                        output.flush();
                        err = input.nextInt();
                        txtStatus.setText(err + input.nextLine());
                        check(err);

                        //sending the server the data
                        String message = txtBody.getText();
                        String subject = txtSubject.getText();
                        String data = ("Subject:" + subject + "\n" + "To:" + to + "\n" + "From:" + from
                                        + "\n\n" + message + "\n" + ".");
                        output.println(data);
                        output.flush();
                        err = input.nextInt();
                        txtStatus.setText(err + input.nextLine());
                        check(err);

                        txtStatus.setText("Message Sent Successfully");

                        output.println("QUIT");
                        output.flush();

                }catch(RuntimeErrorException rt){
                        output.println("QUIT");
                        output.flush();
                }
                catch(Exception e){
                        System.out.print(e);
                }
                finally{
                        output.close();
                        input.close();
                        try {
                                client.close();
                        } catch (IOException e) {
                                e.printStackTrace();
                        }
                }
        }

        private void check(int err){
                if(err > 400)
                        throw new RuntimeErrorException(null);
        }

        public static void main(String[] args) {
                launch(args);
        }
}