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Texto.java
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package compilador;
import java.io.*;
import java.util.regex.*;
import javax.swing.*;
/**
*
* @author reyna
*/
public class Texto extends javax.swing.JFrame {
JFileChooser seleccionar = new JFileChooser();
File archivo;
FileInputStream entrada;
FileOutputStream salida;
public Texto() {
initComponents();
this.setLocationRelativeTo(null);
}
//Abre el archivo
public String abrirArchivo(File archivo) {
String documento = "";
try {
entrada = new FileInputStream(archivo);
int ascci;
while ((ascci = entrada.read()) != -1) {
char caracter = (char) ascci;
documento += caracter;
}
} catch (Exception ex) {
System.out.println("ERROR!" + ex);
}
return documento;
}
//Guarda el archivo
public String guardarArchivo(File archivo, String documento) {
String mensaje = null;
try {
salida = new FileOutputStream(archivo);
byte[] bytxt = documento.getBytes();
salida.write(bytxt);
mensaje = "Archivo Guardado";
} catch (Exception ex) {
System.out.println("ERROR!" + ex);
}
return mensaje;
}
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
private void initComponents() {
txtTexto1 = new javax.swing.JTextField();
txtExp = new javax.swing.JTextField();
btnArchivo = new javax.swing.JButton();
btnGuardar = new javax.swing.JButton();
btnRegEx = new javax.swing.JButton();
jLabel1 = new javax.swing.JLabel();
jScrollPane1 = new javax.swing.JScrollPane();
txtArea1 = new javax.swing.JTextArea();
jScrollPane2 = new javax.swing.JScrollPane();
txtArea2 = new javax.swing.JTextArea();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
btnArchivo.setText("Archivo");
btnArchivo.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
btnArchivoActionPerformed(evt);
}
});
btnGuardar.setText("Guardar");
btnGuardar.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
btnGuardarActionPerformed(evt);
}
});
btnRegEx.setText("Validar RegEx");
btnRegEx.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
btnRegExActionPerformed(evt);
}
});
jLabel1.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
jLabel1.setText("Resultado en consola");
txtArea1.setColumns(20);
txtArea1.setRows(5);
jScrollPane1.setViewportView(txtArea1);
txtArea2.setColumns(20);
txtArea2.setRows(5);
jScrollPane2.setViewportView(txtArea2);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(297, 297, 297)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addGroup(layout.createSequentialGroup()
.addComponent(btnArchivo)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(btnGuardar))
.addComponent(btnRegEx, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addContainerGap()
.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 422, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(txtExp, javax.swing.GroupLayout.PREFERRED_SIZE, 250, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 422, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txtTexto1, javax.swing.GroupLayout.PREFERRED_SIZE, 250, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap(22, Short.MAX_VALUE))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addGap(0, 0, Short.MAX_VALUE)
.addComponent(jLabel1)
.addGap(165, 165, 165))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(28, 28, 28)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(txtTexto1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(btnArchivo)
.addComponent(btnGuardar))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(btnRegEx)
.addComponent(txtExp, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(16, 16, 16)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 148, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jLabel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap())
);
pack();
}// </editor-fold>//GEN-END:initComponents
private void btnRegExActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnRegExActionPerformed
String RegEx = txtExp.getText();
final Pattern pattern = Pattern.compile(RegEx, Pattern.MULTILINE);
final Matcher matcher = pattern.matcher(abrirArchivo(archivo));
String resultado = "";
while (matcher.find()) {
//System.out.println("Full match: " + matcher.group(0));
resultado += matcher.group(0) + "\n";
for (int i = 1; i <= matcher.groupCount(); i++) {
System.out.println("Group " + i + ": " + matcher.group(i));
}
}
txtArea2.setText(resultado);
}//GEN-LAST:event_btnRegExActionPerformed
private void btnArchivoActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnArchivoActionPerformed
if (seleccionar.showDialog(null, "Abrir") == JFileChooser.APPROVE_OPTION) {
archivo = seleccionar.getSelectedFile();
if (archivo.getName().endsWith("txt")) {
String documento = abrirArchivo(archivo);
txtArea1.setText(documento);
} else {
JOptionPane.showMessageDialog(null, "Archivo no compatible");
}
}
}//GEN-LAST:event_btnArchivoActionPerformed
private void btnGuardarActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnGuardarActionPerformed
if (seleccionar.showDialog(null, "Guardar") == JFileChooser.APPROVE_OPTION) {
archivo = seleccionar.getSelectedFile();
if (archivo.getName().endsWith("txt")) {
String documento = txtArea1.getText();
String mensaje = guardarArchivo(archivo, documento);
if (mensaje != null) {
JOptionPane.showMessageDialog(null, mensaje);
} else {
JOptionPane.showMessageDialog(null, "Archivo no compatible");
}
} else {
JOptionPane.showMessageDialog(null, "Guardar documento de texto");
}
}
}//GEN-LAST:event_btnGuardarActionPerformed
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(Texto.class
.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(Texto.class
.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(Texto.class
.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(Texto.class
.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
new Texto().setVisible(true);
}
});
}
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JButton btnArchivo;
private javax.swing.JButton btnGuardar;
private javax.swing.JButton btnRegEx;
private javax.swing.JLabel jLabel1;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JScrollPane jScrollPane2;
private javax.swing.JTextArea txtArea1;
private javax.swing.JTextArea txtArea2;
private javax.swing.JTextField txtExp;
private javax.swing.JTextField txtTexto1;
// End of variables declaration//GEN-END:variables
}