387 lines
11 KiB
Java
387 lines
11 KiB
Java
package de.dis2017;
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import de.dis2017.data.Apartment;
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import de.dis2017.data.Estate;
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import de.dis2017.data.EstateAgent;
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import de.dis2017.data.House;
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import de.dis2017.data.db.ORM;
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import java.util.List;
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/**
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* Main class
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*/
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public class Main {
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private static ORM _orm;
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/**
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* Starts the application.
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*/
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public static void main(String[] args) {
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_orm = new ORM();
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showMainMenu();
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}
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/**
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* Shows the main menu.
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*/
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private static void showMainMenu() {
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// menu options
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final int MENU_AGENT = 0;
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final int MENU_ESTATES = 1;
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final int QUIT = 2;
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// create menu
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Menu mainMenu = new Menu("Main menu");
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mainMenu.addEntry("EstateAgent management", MENU_AGENT);
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mainMenu.addEntry("Estate management", MENU_ESTATES);
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mainMenu.addEntry("Quit", QUIT);
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// process input
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while(true) {
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int response = mainMenu.show();
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switch(response) {
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case MENU_AGENT:
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if (checkPassword()) {
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showEstateAgentMenu();
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}
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else {
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System.out.println("The password was wrong.");
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}
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break;
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case MENU_ESTATES:
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if (loginEstateAgent()) {
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showEstateMenu();
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}
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else {
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System.out.println("The username or password was wrong.");
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}
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break;
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case QUIT:
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return;
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}
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}
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}
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/**
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* Checks the password for sudo-like menu areas.
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*/
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private static boolean checkPassword() {
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System.out.println("Please insert the sudo password. You are entering dangerous territory.");
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String passwordInput = FormUtil.readPassword();
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String sudoPassword = "ea-sudo";
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return sudoPassword.equals(passwordInput);
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}
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/**
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* Performs a login for an estate agent.
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*
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* @return true if the login is successful, false otherwise
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*/
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private static boolean loginEstateAgent() {
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System.out.println("Please insert the username and password of a valid estate agent.");
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String username = FormUtil.readString("Username");
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String passwordInput = FormUtil.readPassword();
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EstateAgent agent = _orm.get(username);
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return agent != null && agent.getPassword().equals(passwordInput);
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}
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/**
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* Shows the estate management menu.
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*/
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private static void showEstateMenu() {
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// menu options
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final int NEW_ESTATE = 0;
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final int CHANGE_ESTATE = 1;
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final int DELETE_ESTATE = 2;
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final int BACK = 3;
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// estate management menu
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Menu estateMenu = new Menu("Estate management");
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estateMenu.addEntry("Create Estate", NEW_ESTATE);
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estateMenu.addEntry("Change Estate", CHANGE_ESTATE);
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estateMenu.addEntry("Delete Estate", DELETE_ESTATE);
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estateMenu.addEntry("Back to the main menu", BACK);
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// process input
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while(true) {
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int response = estateMenu.show();
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switch(response) {
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case NEW_ESTATE:
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newEstate();
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break;
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case CHANGE_ESTATE:
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changeEstate();
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break;
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case DELETE_ESTATE:
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deleteEstate();
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break;
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case BACK:
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return;
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}
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}
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}
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/**
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* Creates a new estate agent after the usesr has entered the necessary data.
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*/
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private static void newEstate() {
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String input = FormUtil.readString("Apartmnet(A)/House(H)");
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boolean apartment = input.equals("A") || input.equals("a");
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if(apartment){
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Apartment estate = new Apartment();
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estate.setCity(FormUtil.readString("Name"));
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estate.setPostalcode(FormUtil.readInt("Postal Code"));
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estate.setStreet(FormUtil.readString("Street"));
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estate.setStreetnumber(FormUtil.readInt("Street Number"));
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estate.setSquareArea(FormUtil.readInt("Square Area"));
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estate.setFloor(FormUtil.readInt("Floor"));
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estate.setRent(FormUtil.readInt("Rent"));
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estate.setRooms(FormUtil.readInt("Rooms"));
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input = FormUtil.readString("Balcony(Y/N)");
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estate.setBalcony(input.equals("Y") || input.equals("y"));
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input = FormUtil.readString("Built-in Kitchen(Y/N)");
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estate.setBuiltinKitchen(input.equals("Y") || input.equals("y"));
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//_orm.persist(estate);
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System.out.println("Estate with the ID " + estate.getId() + " was created.");
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}
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else{
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House estate = new House();
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estate.setCity(FormUtil.readString("Name"));
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estate.setPostalcode(FormUtil.readInt("Postal Code"));
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estate.setStreet(FormUtil.readString("Street"));
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estate.setStreetnumber(FormUtil.readInt("Street Number"));
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estate.setSquareArea(FormUtil.readInt("Square Area"));
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estate.setFloors(FormUtil.readInt("Floors"));
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estate.setPrice(FormUtil.readInt("Price"));
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input = FormUtil.readString("Garden(Y/N)");
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estate.setGarden(input.equals("Y") || input.equals("y"));
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//_orm.persist(estate);
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System.out.println("Estate with the ID " + estate.getId() + " was created.");
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}
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}
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/**
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* TODO Change an estate agent after the user has entered the necessary data.
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*/
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private static void changeEstate() {
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//Choose Estate from List
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Estate estate = new Apartment();//choosen Estate
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estate.setCity(FormUtil.readString("Name"));
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estate.setPostalcode(FormUtil.readInt("Postal Code"));
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estate.setStreet(FormUtil.readString("Street"));
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estate.setStreetnumber(FormUtil.readInt("Street Number"));
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estate.setSquareArea(FormUtil.readInt("Square Area"));
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if(estate instanceof Apartment){
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Apartment apartment = (Apartment) estate;
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apartment.setFloor(FormUtil.readInt("Floor"));
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apartment.setRent(FormUtil.readInt("Rent"));
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apartment.setRooms(FormUtil.readInt("Rooms"));
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String input = FormUtil.readString("Balcony(Y/N)");
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apartment.setBalcony(input.equals("Y") || input.equals("y"));
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input = FormUtil.readString("Built-in Kitchen(Y/N)");
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apartment.setBuiltinKitchen(input.equals("Y") || input.equals("y"));
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//_orm.persist(apartment);
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System.out.println("Estate with the ID " + estate.getId() + " was updated.");
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}
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else{
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House house = (House)estate;
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estate.setCity(FormUtil.readString("Name"));
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estate.setPostalcode(FormUtil.readInt("Postal Code"));
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estate.setStreet(FormUtil.readString("Street"));
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estate.setStreetnumber(FormUtil.readInt("Street Number"));
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estate.setSquareArea(FormUtil.readInt("Square Area"));
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house.setFloors(FormUtil.readInt("Floors"));
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house.setPrice(FormUtil.readInt("Price"));
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String input = FormUtil.readString("Garden(Y/N)");
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house.setGarden(input.equals("Y") || input.equals("y"));
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//_orm.persist(house);
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System.out.println("Estate with the ID " + estate.getId() + " was updated.");
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}
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}
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/**
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* TODO Deletes an estate.
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*/
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private static void deleteEstate() {
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//Choose estate from list.
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Estate estate = new Apartment();//choosen estate.
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//Delete Agent
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System.out.println("Estate with the ID " + estate.getId() + " was deleted.");
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}
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/**
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* Shows the estate agent management.
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*/
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private static void showEstateAgentMenu() {
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// menu options
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final int NEW_AGENT = 0;
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final int LIST_AGENTS = 1;
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final int BACK = 2;
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// estate management menu
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Menu estateAgentMenu = new Menu("EstateAgent management");
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estateAgentMenu.addEntry("Create EstateAgent", NEW_AGENT);
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estateAgentMenu.addEntry("List EstateAgents", LIST_AGENTS);
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estateAgentMenu.addEntry("Back to the main menu", BACK);
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// process input
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while(true) {
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int response = estateAgentMenu.show();
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switch(response) {
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case NEW_AGENT:
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newEstateAgent();
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break;
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case LIST_AGENTS:
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listEstateAgents();
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break;
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case BACK:
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return;
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}
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}
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}
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/**
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* Creates a new estate agent after the user has entered the necessary data.
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*/
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private static void newEstateAgent() {
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EstateAgent agent = new EstateAgent();
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agent.setName(FormUtil.readString("Name"));
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agent.setAddress(FormUtil.readString("Address"));
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agent.setLogin(FormUtil.readString("Login"));
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agent.setPassword(FormUtil.readPassword());
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_orm.persist(agent);
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System.out.println("EstateAgent with the ID " + agent.getId() + " was created.");
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}
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/**
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* List estate agents.
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*/
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private static void listEstateAgents() {
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// get all agents
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List<EstateAgent> agents = _orm.getAll();
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Menu listEstateAgents = new Menu("Please select the estate agent you want to modify or delete");
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System.out.println("List of EstateAgents");
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final int BACK = 0;
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for (EstateAgent agent : agents) {
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listEstateAgents.addEntry("ID: " + agent.getId() + ", Name: " + agent.getName(), agent.getId());
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}
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listEstateAgents.addEntry("Back to the EstateAgent management menu", BACK);
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// process input
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while(true) {
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int response = listEstateAgents.show();
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switch (response) {
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case BACK:
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return;
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default:
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showEstateAgent(response);
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break;
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}
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}
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}
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/**
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* Shows a selected estate agent.
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*
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* @param id the id of the selected agent
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*/
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private static void showEstateAgent(int id) {
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EstateAgent agent = _orm.get(id);
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System.out.println("EstateAgent");
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System.out.println("------------------");
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System.out.println("ID: " + id);
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System.out.println("Name: " + agent.getName());
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System.out.println("Address: " + agent.getAddress());
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System.out.println("Username: " + agent.getLogin());
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System.out.println("------------------");
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final int MODIFY = 1;
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final int DELETE = 2;
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final int BACK = 3;
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Menu showEstateAgentMenu = new Menu("Do you want to modify or delete the agent?");
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showEstateAgentMenu.addEntry("Modify", MODIFY);
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showEstateAgentMenu.addEntry("Delete", DELETE);
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showEstateAgentMenu.addEntry("Back to the list of agents", BACK);
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while(true) {
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int response = showEstateAgentMenu.show();
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switch (response) {
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case MODIFY:
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modifyEstateAgent(agent);
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break;
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case DELETE:
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deleteEstateAgent(agent);
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break;
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case BACK:
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return;
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}
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}
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}
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/**
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* Modify estate agent.
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*
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* @param agent the modified agent
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*/
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private static void modifyEstateAgent(EstateAgent agent) {
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System.out.println("Modify EstateAgent");
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System.out.println("------------------");
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System.out.println("ID: " + agent.getId());
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System.out.println("Name: " + agent.getName());
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System.out.println("Address: " + agent.getAddress());
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System.out.println("Username: " + agent.getLogin());
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System.out.println("------------------");
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agent.setName(FormUtil.readString("Name"));
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agent.setAddress(FormUtil.readString("Address"));
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agent.setLogin(FormUtil.readString("Username"));
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agent.setPassword(FormUtil.readPassword());
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_orm.persist(agent);
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System.out.println("------------------");
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System.out.println("Agent was modified.");
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}
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/**
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* Deletes an estate agent.
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*
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* @param agent the agent that should be deleted
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*/
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private static void deleteEstateAgent(EstateAgent agent) {
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_orm.delete(agent);
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System.out.println("EstateAgent with the ID " + agent.getId() + " was deleted.");
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}
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}
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