package me.ivo.mexete;

import java.io.IOException;
import java.util.Scanner;

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

public class Main {

    public static String obterHorarios(String paragem) throws IOException{
        String results = null;
        Document doc = Jsoup.connect("http://www.stcp.pt/pt/itinerarium/soapclient.php?codigo=" + paragem).get();
        Elements smsBusResults = doc.select("#smsBusResults tr:lt(3)");
        for (Element col : smsBusResults) {
            results = col.text();
            }
        if (doc.getElementsContainingText("Por favor, utilize o codigo SMSBUS indicado na placa da paragem") != null) {
            throw new IOException();
        }
        return results;
    }

    public static void main(String[] args) throws IOException {
        Scanner scanner = new Scanner(System.in);
        System.out.println("Qual a paragem que queres ver?\n");
        System.out.println(obterHorarios(scanner.next()));
    }





}

#UI

package me.ivo.mexete;

import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;

import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;

import javax.swing.JTextField;
import javax.swing.JTextPane;
import javax.swing.JTable;
import javax.swing.JButton;

public class UI implements ActionListener {

    private JFrame frame;
    private JTextField textField;

    /**
     * Launch the application.
     */
    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {
            public void run() {
                try {
                    UI window = new UI();
                    window.frame.setVisible(true);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });
    }

    /**
     * Create the application.
     */
    public UI() {
        initialize();
    }

    /**
     * Initialize the contents of the frame.
     */
    private void initialize() {
        frame = new JFrame();
        frame.setBounds(100, 100, 450, 300);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.getContentPane().setLayout(null);

        JLabel lblParagem = new JLabel("Paragem:");
        lblParagem.setFont(new Font("Lucida Grande", Font.PLAIN, 25));
        lblParagem.setBounds(6, 6, 164, 58);
        frame.getContentPane().add(lblParagem);

        textField = new JTextField();
        textField.setBounds(6, 61, 238, 26);
        frame.getContentPane().add(textField);
        textField.setColumns(10);

        JButton btnSubmeter = new JButton("Submeter");
        btnSubmeter.setBounds(254, 60, 117, 29);
        frame.getContentPane().add(btnSubmeter);
        btnSubmeter.addActionListener(this);

        JLabel lblResultado = new JLabel("Resultado:");
        lblResultado.setFont(new Font("Lucida Grande", Font.PLAIN, 25));
        lblResultado.setBounds(6, 99, 164, 58);
        frame.getContentPane().add(lblResultado);





    }

    @Override
    public void actionPerformed(ActionEvent e) {

        JLabel lblResultados = new JLabel("");
        lblResultados.setBounds(6, 153, 418, 98);
        frame.getContentPane().add(lblResultados);

        try {
            lblResultados.setText(Main.obterHorarios(textField.getText().toString()));
        } catch (IOException e1) {
            JOptionPane.showMessageDialog(null, "Verifica o código da paragem e/ou a ligação à Internet", "ERRO", JOptionPane.ERROR_MESSAGE);
            e1.printStackTrace();
        }


    }
}