Sources of my UD square-1 Algorith Converter.

main_Core.java

package com.main;

import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Created by lucas on 30/06/16.
 */
public class Core {

    private static final String REGEX = "\\((-?\\d+),(-?\\d+)\\)";
    private String currentScramble, convertedScrambles = "";
    private boolean exceptionFired;

    private Gui gui;

    public Core() {
        gui = new Gui();

        gui.getConvertBt().addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                convertedScrambles = "";

                int counter = 1;

                for (String inputScramble : getInputScrambles()) {
                    convertedScrambles += counter + "°)   " + convertSequence(getScrambleMoves(inputScramble)) + ";\n";
                    counter++;
                }

                gui.getOutput().setText(!exceptionFired
                        ?
                        convertedScrambles
                        :
                        "Não foi possível compreender o formato do(s) scramble(s) digitado(s)!\n"
                                + "Por favor, verifique o conteúdo de Input.");
            }
        });
    }

    public String convertSequence(ArrayList<int[]> nums) {
        String r = startsWithSlash(currentScramble) ? "/" : "";

        for (int[] num : nums) {
            r += "(" + (num[1] * -1) + "," + (num[0] * -1) + ")/";
        }

        if (!endsWithSlash(currentScramble)) {

            String aux = "";

            for (int i = 0; i < r.length() - 1; i++) {
                aux += r.charAt(i);
            }

            r = aux;
        }

        return r;
    }

    private ArrayList<int[]> getScrambleMoves(String scramble) {
        currentScramble = scramble;

        ArrayList<int[]> aux = new ArrayList<>();
        Pattern p = Pattern.compile(REGEX);

        for (String s : scramble.split("/")) {
            if (!s.isEmpty()) {
                try {
                    Matcher m = p.matcher(s);
                    m.find();

                    int top = Integer.parseInt(m.group(1)), botton = Integer.parseInt(m.group(2));

                    aux.add(new int[]{top, botton});

                    exceptionFired = false;
                } catch (IllegalStateException e) {
                    exceptionFired = true;
                }
            }
        }

        return aux;
    }

    private boolean startsWithSlash(String scramble) {
        return scramble.charAt(0) == '/';
    }

    private boolean endsWithSlash(String scramble) {
        return scramble.charAt(scramble.length() - 1) == '/';
    }

    private boolean isAnMovePattern(String s) {
        return s.matches(REGEX);
    }

    private String[] getInputScrambles() {
        if (gui.getInput() != null) {
            if (!inputIsEmpty(gui.getInput())) {
                return gui.getInput().getText().split(";");
            }
        }
        return new String[]{" "};
    }

    private boolean inputIsEmpty(JTextArea input) {
        return input.getText().isEmpty();
    }

    public Gui getGui(){
        return this.gui;
    }
}

main_Gui.java

package com.main;

import javax.swing.*;

/**
 * Created by lucas on 30/06/16.
 */
public class Gui extends JFrame{

    private JButton convertBt;
    private JTextArea input;
    private JTextArea output;

    public Gui(){
        this.initComponents();
        this.setTitle("UD square-1 Algorithm Converter by Lucas Sousa");
        this.setLocationRelativeTo(null);
    }

    private void initComponents() {

        JPanel jPanel1 = new JPanel();
        JLabel jLabel1 = new JLabel();
        JScrollPane jScrollPane1 = new JScrollPane();
        input = new javax.swing.JTextArea();
        JPanel jPanel2 = new JPanel();
        JScrollPane jScrollPane2 = new JScrollPane();
        output = new javax.swing.JTextArea();
        convertBt = new javax.swing.JButton();
        JMenuBar jMenuBar1 = new JMenuBar();
        JMenu jMenu1 = new JMenu();
        JMenuItem jMenuItem1 = new JMenuItem();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("Input algorithms"));

        jLabel1.setFont(new java.awt.Font("Ubuntu", 0, 15)); // NOI18N
        jLabel1.setHorizontalAlignment(javax.swing.SwingConstants.LEFT);
        jLabel1.setText("Coloque os algoritmos a serem convertidos aqui (separados com semicolon \";\"):");

        input.setColumns(20);
        input.setRows(5);
        jScrollPane1.setViewportView(input);

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
                jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addComponent(jLabel1, javax.swing.GroupLayout.DEFAULT_SIZE, 619, Short.MAX_VALUE)
                        .addComponent(jScrollPane1)
        );
        jPanel1Layout.setVerticalGroup(
                jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(jPanel1Layout.createSequentialGroup()
                                .addComponent(jLabel1)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 108, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(0, 0, Short.MAX_VALUE))
        );

        jPanel2.setBorder(javax.swing.BorderFactory.createTitledBorder("Output algorithms"));

        output.setColumns(20);
        output.setRows(5);
        jScrollPane2.setViewportView(output);

        javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
        jPanel2.setLayout(jPanel2Layout);
        jPanel2Layout.setHorizontalGroup(
                jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addComponent(jScrollPane2)
        );
        jPanel2Layout.setVerticalGroup(
                jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 117, Short.MAX_VALUE)
        );

        convertBt.setText("Convert!");

        jMenu1.setText("File");

        jMenuItem1.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_ESCAPE, java.awt.event.InputEvent.ALT_MASK));
        jMenuItem1.setText("Sair");
        jMenuItem1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                System.exit(0);
            }
        });
        jMenu1.add(jMenuItem1);

        jMenuBar1.add(jMenu1);

        setJMenuBar(jMenuBar1);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(layout.createSequentialGroup()
                                .addContainerGap()
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                        .addComponent(jPanel2, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                        .addComponent(convertBt, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                                .addGap(0, 0, 0))
        );
        layout.setVerticalGroup(
                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(layout.createSequentialGroup()
                                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(convertBt)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(23, 23, 23))
        );

        pack();
    }

    public JButton getConvertBt() {
        return convertBt;
    }

    public JTextArea getInput() {
        return input;
    }

    public JTextArea getOutput() {
        return output;
    }
}

main_Main.java

package com.main;

/**
 * Created by lucas on 30/06/16.
 */
public class Main {

    public static void main(String[] args) {
        new Core().getGui().setVisible(true);
    }
}