rendered paste body/* * Principal.java * * Created on 2 de Abril de 2007, 20:16 *//** * * @author Lucas */public class Principal extends javax.swing.JFrame { /** Creates new form Principal */ public Principal() { initComponents(); } public static String criptografar(String Texto) { String Criptografado=""; //Percorre o Texto for(int i=0;i<Texto.length();i++) { int caractere = (int)Texto.charAt(i);//Pega o Caracter da posição já convertendo para Decimal if(caractere % 2==0)//Verifica se o decimal e PAR { caractere -= 2;//SE FOR, TIRA 1 } else { caractere += 2;//SENÃO SOMA 2 } char letra=(char)caractere;//Converte de Decimal para ASCII Criptografado+=letra;//Junta as Letras } System.out.println(Criptografado); return Criptografado;//Retorna o resultado para a função } public static String descriptografar(String Texto) { String descriptografado=""; //Percorre o Texto for(int i=0;i<Texto.length();i++) { int caractere = (int)Texto.charAt(i); if(caractere % 2==0) { caractere += 2; } else { caractere -= 2; } char letra=(char)caractere; descriptografado+=letra; } System.out.println(descriptografado); return descriptografado; } // <editor-fold defaultstate="collapsed" desc=" Código Gerado "> private void initComponents() { jButton1 = new javax.swing.JButton(); jLabel1 = new javax.swing.JLabel(); jTextField1 = new javax.swing.JTextField(); jTextField2 = new javax.swing.JTextField(); jLabel2 = new javax.swing.JLabel(); jTextField3 = new javax.swing.JTextField(); jLabel3 = new javax.swing.JLabel(); jButton2 = new javax.swing.JButton(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); setTitle("Criptografia"); setBounds(new java.awt.Rectangle(250, 250, 0, 0)); setCursor(new java.awt.Cursor(java.awt.Cursor.DEFAULT_CURSOR)); setResizable(false); getAccessibleContext().setAccessibleName("Criptografia"); jButton1.setText("Criptografar"); jButton1.addMouseListener(new java.awt.event.MouseAdapter() { public void mouseClicked(java.awt.event.MouseEvent evt) { jButton1MouseClicked(evt); } }); jLabel1.setText("Texto:"); jLabel2.setText("Criptografado:"); jLabel3.setText("Descriptografado:"); jButton2.setText("Sair"); jButton2.addMouseListener(new java.awt.event.MouseAdapter() { public void mouseClicked(java.awt.event.MouseEvent evt) { jButton2MouseClicked(evt); } }); 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.TRAILING) .addComponent(jLabel1) .addComponent(jLabel2) .addComponent(jLabel3)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false) .addComponent(jTextField3, javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jTextField2, javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jTextField1, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.PREFERRED_SIZE, 283, javax.swing.GroupLayout.PREFERRED_SIZE)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false) .addComponent(jButton2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent(jButton1, javax.swing.GroupLayout.DEFAULT_SIZE, 99, Short.MAX_VALUE)) .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)) ); layout.setVerticalGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addContainerGap() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel1) .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(jButton1)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(jLabel2)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(jLabel3) .addComponent(jButton2)) .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)) ); pack(); }// </editor-fold> private void jButton2MouseClicked(java.awt.event.MouseEvent evt) { Principal.this.dispose(); } private void jButton1MouseClicked(java.awt.event.MouseEvent evt) { //Recupera o Texto do jTextField String Texto=jTextField1.getText(); //Criptografa String Crip=criptografar(Texto); //Exibe no jTextField 2 jTextField2.setText(Crip); //Recupeta o Texto do jTextField2 Criptografado String TextoCripto = jTextField2.getText(); //Descriptografa String Descri=descriptografar(TextoCripto); //Exibe no jTextField 2 jTextField3.setText(Descri); } public static void main(String args[]) { java.awt.EventQueue.invokeLater(new Runnable() { public void run() { new Principal().setVisible(true); } }); } // Declaração de variáveis - não modifique private javax.swing.JButton jButton1; private javax.swing.JButton jButton2; private javax.swing.JLabel jLabel1; private javax.swing.JLabel jLabel2; private javax.swing.JLabel jLabel3; private javax.swing.JTextField jTextField1; private javax.swing.JTextField jTextField2; private javax.swing.JTextField jTextField3; // Fim da declaração de variáveis }