Hib.View.java Source code

Introduction

Here is the source code for Hib.View.java

Source

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package Hib;

/**
 *
 * @author BULLOJP
 */
import java.net.MalformedURLException;
import java.util.Scanner;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.json.JSONException;

public class View {

    Scanner userInput = new Scanner(System.in);

    // Program constructor
    public View() {
    }

    public static void main(String[] args) throws MalformedURLException, JSONException {
        View view = new View();
        boolean quit = false;

        while (!quit) {
            /*
             * Control of the program will flow through the Main Menu and the
             * sub menus.
             */
            quit = view.main();
        }
        System.exit(0);
    }

    /* ************
     * System Menus 
     * ************/

    /*
     * Main Menu
     */
    private boolean main() throws MalformedURLException, JSONException {
        boolean quit = false;

        while (!quit) {
            Integer selection = null;

            // Print the main menu
            System.out.println();
            System.out.println("Main");
            System.out.println("   1. People Menu");
            System.out.println("   2. JSON Example");
            System.out.println("   3. Quit application");
            System.out.print("Please enter 1, 2, or 3: ");

            // Attempt to read user input
            try {
                selection = Integer.parseInt(userInput.nextLine());
            } catch (NumberFormatException e) {

                System.out.println();
                System.out.println("Letters are not permitted. Numbers only!");
                return false;
            }

            switch (selection) {
            case 1:
                // Open Add User Menu
                AddUser();
                break;
            case 2:
                AddWeather();
                break;
            case 3:
                // Quit
                System.out.println();
                System.out.println("Quitting!");
                quit = true;
                return quit;
            default:
                //Error Control - Enter a number!
                System.out.println();
                System.out.println("Please enter a number.");
                break;
            }
        }

        return quit;

    }

    /*
     * User Menu
     */
    private void AddUser() {
        boolean returnToMain = false;

        while (!returnToMain) {
            Integer selection = null;

            // Print menu
            System.out.println();
            System.out.println("User Management");
            System.out.println("   1. Add User");
            System.out.println("   2. List All Users");
            System.out.println("   3. Return to Main Menu");
            System.out.print("Please enter your selection (1-6): ");

            // Attempt to read user input
            try {
                selection = Integer.parseInt(userInput.nextLine());
            } catch (NumberFormatException e) {
                // Don't do anything. It will fall to the default case.
            }

            switch (selection) {
            case 1:
                // Call the addUser method, then return to the User menu
                ControllerInsertJSON.AddUser();
                break;
            case 2:
                // Call the listWeatherStats method, then return to the User menu
                //System.out.println("Nothing to see here");
                ControllerInsertJSON.listUsers();
                break;
            case 3:
                // Return to the Main Menu
                returnToMain = true;
                break;
            default:
                // A number other than 1-3 was entered.
                // Prompt for input again.
                System.out.println();
                System.out.println("Enter a number!.");
                break;
            }

        }

    }

    private void AddWeather() {
        boolean returnToMain = false;

        while (!returnToMain) {
            Integer selection = null;

            // Print menu
            System.out.println();
            System.out.println("JSON Example");
            System.out.println("   1. HTTP Get and Add to DB");
            System.out.println("   2. List Weather");
            System.out.println("   3. Return to Main Menu");
            System.out.print("Please enter your selection (1-6): ");

            // Attempt to read user input
            try {
                selection = Integer.parseInt(userInput.nextLine());
            } catch (NumberFormatException e) {
                // Don't do anything. It will fall to the default case.
            }

            switch (selection) {
            case 1: {
                try {
                    // Call the addUser method, then return to the User menu
                    ControllerInsertJSON.doThat();
                } catch (MalformedURLException ex) {
                    Logger.getLogger(View.class.getName()).log(Level.SEVERE, null, ex);
                } catch (JSONException ex) {
                    Logger.getLogger(View.class.getName()).log(Level.SEVERE, null, ex);
                }
            }
                break;
            case 2:
                // Call the listWeatherStats method, then return to the User menu
                //System.out.println("Nothing to see here");
                ControllerInsertJSON.listWeatherStats();
                break;
            case 3:
                // Return to the Main Menu
                returnToMain = true;
                break;
            default:
                // A number other than 1-3 was entered.
                // Prompt for input again.
                System.out.println();
                System.out.println("Enter a number!.");
                break;
            }
        }
    }
}