Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package gui; import ManejadorBD.ContextListener; import parser.SqlLexer; import parser.SqlParser; import java.io.BufferedInputStream; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.util.Arrays; import java.util.logging.Level; import java.util.logging.Logger; import javax.swing.JFrame; import javax.swing.JPanel; import manejadorbd.ExpVisitor; import org.antlr.v4.runtime.ANTLRInputStream; import org.antlr.v4.runtime.CharStream; import org.antlr.v4.runtime.CommonTokenStream; import org.antlr.v4.runtime.tree.ParseTree; import org.antlr.v4.runtime.tree.gui.TreeViewer; /** * * @author olgac */ public class Interfaz extends javax.swing.JFrame { private ExpVisitor recorrido; /** * Creates new form Interfaz */ public Interfaz() { initComponents(); recorrido = new ExpVisitor(); } /** * This method is called from within the constructor to initialize the form. * WARNING: Do NOT modify this code. The content of this method is always * regenerated by the Form Editor. */ @SuppressWarnings("unchecked") // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents private void initComponents() { jOptionPane1 = new javax.swing.JOptionPane(); jScrollPane1 = new javax.swing.JScrollPane(); ingreso = new javax.swing.JTextArea(); jLabel1 = new javax.swing.JLabel(); botonAbrir = new javax.swing.JButton(); botonPlay = new javax.swing.JButton(); jScrollPane2 = new javax.swing.JScrollPane(); salida = new javax.swing.JTextArea(); jScrollPane3 = new javax.swing.JScrollPane(); salidaError = new javax.swing.JTextArea(); jScrollPane4 = new javax.swing.JScrollPane(); salidaDebug = new javax.swing.JTextArea(); jLabel2 = new javax.swing.JLabel(); jLabel3 = new javax.swing.JLabel(); jLabel4 = new javax.swing.JLabel(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); ingreso.setColumns(20); ingreso.setRows(5); jScrollPane1.setViewportView(ingreso); jLabel1.setText("SQL"); botonAbrir.setText("Abrir"); botonAbrir.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { botonAbrirActionPerformed(evt); } }); botonPlay.setText("Play"); botonPlay.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { botonPlayActionPerformed(evt); } }); salida.setColumns(20); salida.setRows(5); jScrollPane2.setViewportView(salida); salidaError.setColumns(20); salidaError.setRows(5); jScrollPane3.setViewportView(salidaError); salidaDebug.setColumns(20); salidaDebug.setRows(5); jScrollPane4.setViewportView(salidaDebug); jLabel2.setText("Data Output"); jLabel3.setText("Errores"); jLabel4.setText("Debug"); javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addGap(29, 29, 29).addGroup(layout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false).addComponent(jLabel1) .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup().addComponent(botonAbrir).addGap(18, 18, 18) .addComponent(botonPlay)) .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 763, javax.swing.GroupLayout.PREFERRED_SIZE) .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 442, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(jLabel2)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jLabel3) .addGroup(layout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false) .addComponent(jScrollPane3, javax.swing.GroupLayout.DEFAULT_SIZE, 274, Short.MAX_VALUE) .addComponent(jScrollPane4)) .addComponent(jLabel4)))) .addContainerGap(43, Short.MAX_VALUE))); layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addGap(18, 18, 18).addComponent(jLabel1) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 217, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(18, 18, 18) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(botonAbrir).addComponent(botonPlay)) .addGap(8, 8, 8) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel2).addComponent(jLabel3)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false) .addGroup(layout.createSequentialGroup() .addComponent(jScrollPane3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent(jLabel4) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jScrollPane4, javax.swing.GroupLayout.PREFERRED_SIZE, 105, javax.swing.GroupLayout.PREFERRED_SIZE)) .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 235, javax.swing.GroupLayout.PREFERRED_SIZE)) .addContainerGap(36, Short.MAX_VALUE))); pack(); }// </editor-fold>//GEN-END:initComponents private static String readFileAsString(String filePath) throws java.io.IOException { byte[] buffer = new byte[(int) new File(filePath).length()]; BufferedInputStream f = null; try { f = new BufferedInputStream(new FileInputStream(filePath)); f.read(buffer); if (f != null) try { f.close(); } catch (IOException ignored) { } } catch (IOException ignored) { System.out.println("File not found or invalid path."); } return new String(buffer); } private void botonAbrirActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_botonAbrirActionPerformed String text = null; try { text = readFileAsString( "C:\\Users\\?lvaro\\Documents\\NetBeansProjects\\ManejadorBD\\ManejadorBD\\src\\manejadorbd\\test.txt"); } catch (IOException ex) { Logger.getLogger(Interfaz.class.getName()).log(Level.SEVERE, null, ex); } Correr(text); }//GEN-LAST:event_botonAbrirActionPerformed private void botonPlayActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_botonPlayActionPerformed String querie = this.ingreso.getText(); Correr(querie); }//GEN-LAST:event_botonPlayActionPerformed private void Correr(String texto) { CharStream input = new ANTLRInputStream(texto); SqlLexer lexer = new SqlLexer(input); CommonTokenStream tokens = new CommonTokenStream(lexer); SqlParser parser = new SqlParser(tokens); //parser.removeErrorListeners(); //ContextListener errorListener = new ContextListener(); //parser.addErrorListener(errorListener); ParseTree tree = parser.program(); SqlParser.ProgramContext arbol = parser.program(); System.out.println(tree.toStringTree(parser)); System.out.println(arbol.toStringTree(parser)); recorrido.visitProgram(arbol); //String t =arbol.toStringTree(parser); //System.out.print(t); //show AST in GUI JFrame frame = new JFrame("Antlr AST"); JPanel panel = new JPanel(); TreeViewer viewr = new TreeViewer(Arrays.asList(parser.getRuleNames()), tree); viewr.setScale(1.5);//scale a little panel.add(viewr); frame.add(panel); //frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(250, 300); frame.setVisible(true); //String err = errorListener.getError(); //this.salidaError.setText(err); } /** * @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(Interfaz.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(Interfaz.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(Interfaz.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(Interfaz.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } //</editor-fold> /* Create and display the form */ java.awt.EventQueue.invokeLater(new Runnable() { public void run() { new Interfaz().setVisible(true); } }); } // Variables declaration - do not modify//GEN-BEGIN:variables private javax.swing.JButton botonAbrir; private javax.swing.JButton botonPlay; private javax.swing.JTextArea ingreso; private javax.swing.JLabel jLabel1; private javax.swing.JLabel jLabel2; private javax.swing.JLabel jLabel3; private javax.swing.JLabel jLabel4; private javax.swing.JOptionPane jOptionPane1; private javax.swing.JScrollPane jScrollPane1; private javax.swing.JScrollPane jScrollPane2; private javax.swing.JScrollPane jScrollPane3; private javax.swing.JScrollPane jScrollPane4; private javax.swing.JTextArea salida; private javax.swing.JTextArea salidaDebug; private javax.swing.JTextArea salidaError; // End of variables declaration//GEN-END:variables }