Answer to Question #273176 in Java | JSP | JSF for Princess

Question

Write a Java GUI application that will keep track of a user's contact list. The application must contain the contact mobile number, work number and email address

Q.3.1

On the form, create a list box that will allow the user to select a contact name, which is populated from a text file. Also create a search button that when clicked will display the mobile number, work number and email address.

Create a sequential file (contacts.txt) that contains data for the following fields

Q.3.2

The contact name;

The contact mobile number,

The contact work number:

The contact email address

Q.33

Load the data from the contacts txt file and populate the list bax with the contact names Include a feature to inform the user on the amount of contacts

Sample Screenshot:

Contacts Application

Select Contact

Joe Bloggs

Jeff Jones

Mobile

072 157 1545

Work

021 5555555

Email

@gmail.com

Number of contacts: 2

SEARCH

Answer 1

import java.io.*;
import java.awt.Component;
import javax.swing.*;
import java.util.Collections;
import java.util.ArrayList;
public class Main extends JFrame {
	private static ArrayList<Peoples> people = new ArrayList<>();
	JPanel inp = new JPanel(), 
	MPan = new JPanel(), 
	Span = new JPanel(), 
	searchPanel = new JPanel(),
	editPanel = new JPanel(),
	currentPanel = MPan;
	JLabel Lab[] = { new JLabel("Name: "),
	new JLabel("Street address: "),
	new JLabel("Email address: "),
	new JLabel("Phone number: "), 
	new JLabel("Date of birth: ") };
	JTextField inputFields[] = new JTextField[5],
	searchOption = new JButton("Find people"),
	Nam = new JTextField("Enter the name and telephone number.");
	JButton option = new JButton("Register new people"),
	searchReturn = new JButton("Back to main menu"),
	sortChoise = new JButton("Display all people"),
	inputSubmit = new JButton("Submit"),
	sortDisplay = new JButton("Back to main menu"), 
	JTextArea searchArea = new JTextArea(); 
	fields = new JTextArea();




	protected void init() {
		setSize(900, 500);
		setComponent(MPan, this, 900, 500, 0, 0, true);
		setComponent(inp, this, 900, 500, 0, 0, false);
		setComponent(Span, this, 900, 500, 0, 0, false);
		setComponent(searchPanel, this, 900, 500, 0, 0, false);
		setComponent(new JLabel("Address Book Application!"), MPan, 300, 30, 100, 30, true);
		setComponent(new JLabel("Select activity you want to perform?"), MPan, 300, 30, 150, 50, true);
		setComponent(option, MPan, 300, 40, 100, 100, true);
		setComponent(sortChoise, MPan, 300, 40, 100, 170, true);
		setComponent(searchOption, MPan, 300, 40, 100, 240, true);
		setComponent(sortDisplay, Span, 300, 40, 400, 10, true);
		setComponent(searchReturn, searchPanel, 300, 40, 500, 10, true);
		setComponent(searchArea, searchPanel, 300, 400, 350, 100, true);
		sortDisplay.addActionListener(event -> displayPanel(MPan));
		searchReturn.addActionListener(event -> displayPanel(MPan));
		option.addActionListener(event -> displayPanel(inp));
		searchOption.addActionListener(event -> displayPanel(searchPanel));
		sortChoise.addActionListener(event -> {
			displayPanel(Span);
			Collections.sort(people);
			for (int i = 0; i < people.size(); i++) {
				fields.setText(fields.getText() + "Name: " + people.get(i).getN() + "\n " + "Phone: "
						+ people.get(i).getPhoneNmb() + "\n " + "Email: " + people.get(i).getEmail() + "\n "
						+ "Address: " + people.get(i).getStreetAddress() + "\n " + "BirthDate: "
						+ people.get(i).getBirthDate() + "\n ");
			}
		});
		for (int i = 0, j = 20; i < 5; i++, j += 50) {
			setComponent(Lab[i], inp, 100, 20, 50, j, true);
			setComponent(inputFields[i] = new JTextField(), inp, 100, 20, 200, j, true);
		}
		setComponent(fields, Span, 200, 500, 200, 70, true);
		setComponent(inputSubmit, inp, 80, 40, 450, 600, true);
		inputSubmit.addActionListener(event -> {
			people.add(new Peoples(inputFields[0].getText(), inputFields[1].getText(), inputFields[2].getText(),
					inputFields[3].getText(), inputFields[4].getText()));
			displayPanel(MPan);
		});
		setComponent(Nam, searchPanel, 200, 20, 350, 10, true);
		Nam.addActionListener(event -> {
			searchArea.removeAll();
			String input = Nam.getText();
			JTextArea searchArea = new JTextArea(200, 30);
			boolean byName = input.matches("[A-Za-z]||\\s+");
			for (Peoples p : people) {
				if (input.equals(byName ? p.getN() : p.getPhoneNmb()))
					searchArea.setText(searchArea.getText() + p.getN() + " " + p.getPhoneNmb());
			}
		});
		setvisible(true);
	}




	protected void setComponent(JComponent comp, Component place, int dm, int lh, int kk, int yy, boolean v) {
		comp.setSize(dm, lh);
		comp.setLocation(kk, yy);
		if (place == this)
			((JFrame) place).add(comp);
		else
			((JComponent) place).add(comp);
		comp.setLayout(null);
		comp.setvisible(v);
	}
	public void deserializeAll() {
		people.clear();
		Peoples p = null;
		try (FileInputStream fis = new FileInputStream("personSer.ser");
				ObjectInputStream ois = new ObjectInputStream(fis)) {
			while (ois.available() > 0) {
				p = (Peoples) ois.readObject();
				people.add(p);
			}
		} catch (IOException | ClassNotFoundException e) {
			System.out.println(e.getMessage());
		}
	}




	class Peoples implements Comparable<Peoples>, Serializable {
		private String name, phoneNmb, email, streetAddress, birthDate;




		Peoples(String N, String p, String e, String s, String b) {
			name = N;P
			phoneNmb = p;
			email = e;
			streetAddress = s;
			birthDate = b;
			serialize();
		}




		public String getN() {
			return name;
		}


public void serializeAll() {
		for (Peoples p : people)
			p.serialize();
	}
		public void setName(String name) {
			this.name = name;
		}




		public String getPhoneNmb() {
			return phoneNmb;
		}




		public void setPhoneNmb(String phoneNmb) {
			this.phoneNmb = phoneNmb;
		}




		public String getEmail() {
			return email;
		}




		public void setEmail(String email) {
			this.email = email;
		}
		public void setStreetAddress(String streetAddress) {
			this.streetAddress = streetAddress;
		}




		public String getBirthDate() {
			return birthDate;
		}




		public void setBirthDate(String birthDate) {
			this.birthDate = birthDate;
		}
		public int compareTo(Peoples p) {
			return name.compareTo(p.getN());
		}


public String getStreetAddress() {
			return streetAddress;
		}
		protected void serialize() {
			try (FileOutputStream fs = new FileOutputStream("personSer.ser", true);
					ObjectOutputStream os = new ObjectOutputStream(fs)) {
				os.writeObject(this);
			} catch (IOException e) {
				System.out.println(e.getMessage());
			}
		}




		protected Peoples deserialize() {
			Peoples p = null;
			try (FileInputStream fis = new FileInputStream("personSer.ser");
					ObjectInputStream ois = new ObjectInputStream(fis)) {
				p = (Peoples) ois.readObject();
			} catch (IOException | ClassNotFoundException e) {
				System.out.println(e.getMessage());
			}
			return p;
		}




	}




	protected void displayPanel(JPanel jp) {
		if (jp != currentPanel) {
			currentPanel.setvisible(false);
			currentPanel = jp;
		}
		jp.setvisible(true);
	}




	public static void main(String args[]) {
		new Main().init();
	}




}