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 practica2s12017_201503935; import com.squareup.okhttp.FormEncodingBuilder; import com.squareup.okhttp.OkHttpClient; import com.squareup.okhttp.Request; import com.squareup.okhttp.RequestBody; import com.squareup.okhttp.Response; import java.io.BufferedWriter; import java.io.FileWriter; import java.io.IOException; import java.io.PrintWriter; import java.net.URL; import java.util.logging.Level; import java.util.logging.Logger; /** * * @author ddani */ public class Lista extends javax.swing.JFrame { /** * Creates new form Lista */ public Lista() { initComponents(); System.out.println(getString2("nuevalista")); } /** * 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() { jLabel1 = new javax.swing.JLabel(); agregar = new javax.swing.JTextField(); jButton1 = new javax.swing.JButton(); jButton2 = new javax.swing.JButton(); borrar = new javax.swing.JTextField(); jButton3 = new javax.swing.JButton(); buscar = new javax.swing.JTextField(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); jLabel1.setFont(new java.awt.Font("Arial Rounded MT Bold", 0, 24)); // NOI18N jLabel1.setText("Lista "); agregar.setFont(new java.awt.Font("Arial Rounded MT Bold", 0, 12)); // NOI18N jButton1.setFont(new java.awt.Font("Arial Rounded MT Bold", 0, 12)); // NOI18N jButton1.setText("Agregar"); jButton1.setMaximumSize(new java.awt.Dimension(90, 25)); jButton1.setMinimumSize(new java.awt.Dimension(90, 25)); jButton1.setPreferredSize(new java.awt.Dimension(90, 25)); jButton1.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton1ActionPerformed(evt); } }); jButton2.setFont(new java.awt.Font("Arial Rounded MT Bold", 0, 12)); // NOI18N jButton2.setText("Borrar"); jButton2.setMaximumSize(new java.awt.Dimension(90, 25)); jButton2.setMinimumSize(new java.awt.Dimension(90, 25)); jButton2.setPreferredSize(new java.awt.Dimension(90, 25)); jButton2.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton2ActionPerformed(evt); } }); borrar.setFont(new java.awt.Font("Arial Rounded MT Bold", 0, 12)); // NOI18N jButton3.setFont(new java.awt.Font("Arial Rounded MT Bold", 0, 12)); // NOI18N jButton3.setText("Buscar"); jButton3.setPreferredSize(new java.awt.Dimension(90, 25)); jButton3.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton3ActionPerformed(evt); } }); buscar.setFont(new java.awt.Font("Arial Rounded MT Bold", 0, 12)); // NOI18N 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.LEADING) .addGroup(layout.createSequentialGroup().addGap(84, 84, 84).addGroup(layout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(borrar, javax.swing.GroupLayout.PREFERRED_SIZE, 223, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(agregar, javax.swing.GroupLayout.PREFERRED_SIZE, 223, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(buscar, javax.swing.GroupLayout.PREFERRED_SIZE, 223, javax.swing.GroupLayout.PREFERRED_SIZE) .addGroup(layout.createSequentialGroup().addGap(64, 64, 64) .addGroup(layout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jButton3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))))) .addGroup(layout.createSequentialGroup().addGap(146, 146, 146).addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 89, javax.swing.GroupLayout.PREFERRED_SIZE)) .addGroup(layout.createSequentialGroup().addGap(19, 19, 19).addComponent(jLabel1))) .addContainerGap(93, Short.MAX_VALUE))); layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addGap(22, 22, 22).addComponent(jLabel1).addGap(35, 35, 35) .addComponent(agregar, javax.swing.GroupLayout.PREFERRED_SIZE, 31, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(28, 28, 28) .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(18, 18, 18) .addComponent(borrar, javax.swing.GroupLayout.PREFERRED_SIZE, 31, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(28, 28, 28) .addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(18, 18, 18) .addComponent(buscar, javax.swing.GroupLayout.PREFERRED_SIZE, 31, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(28, 28, 28) .addComponent(jButton3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addContainerGap(38, Short.MAX_VALUE))); pack(); }// </editor-fold>//GEN-END:initComponents private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed // TODO add your handling code here: String ag = agregar.getText(); incertar(ag); agregar.setText(""); try { imagen("lista", getString2("graflista")); } catch (IOException ex) { Logger.getLogger(Lista.class.getName()).log(Level.SEVERE, null, ex); } }//GEN-LAST:event_jButton1ActionPerformed private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed // TODO add your handling code here: String bor = borrar.getText(); eliminar(bor); borrar.setText(""); try { imagen("lista", getString2("graflista")); } catch (IOException ex) { Logger.getLogger(Lista.class.getName()).log(Level.SEVERE, null, ex); } }//GEN-LAST:event_jButton2ActionPerformed private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton3ActionPerformed // TODO add your handling code here: String bus = buscar.getText(); buscar(bus); buscar.setText(""); try { imagen("lista", getString2("graflista")); } catch (IOException ex) { Logger.getLogger(Lista.class.getName()).log(Level.SEVERE, null, ex); } }//GEN-LAST:event_jButton3ActionPerformed public static OkHttpClient webClient = new OkHttpClient(); public void incertar(String num) { RequestBody formBody = new FormEncodingBuilder().add("dato", num).build(); String r = getString("AgregarLista", formBody); System.out.println(r); String r2 = getString2("listarLis"); System.out.println(r2); } public void buscar(String num) { RequestBody formBody = new FormEncodingBuilder().add("dato", num).build(); String r = getString("buscarLista", formBody); System.out.println(r); String r2 = getString2("listarLis"); System.out.println(r2); } public void eliminar(String num) { RequestBody formBody = new FormEncodingBuilder().add("dato", num).build(); String r = getString("eliminarLis", formBody); System.out.println(r); String r2 = getString2("listarLis"); System.out.println(r2); } public static String getString2(String metodo) { String retorno = ""; try { URL url = new URL("http://0.0.0.0:5000/" + metodo); Request request = new Request.Builder().url(url).build(); Response response = webClient.newCall(request).execute(); retorno = response.body().string(); } catch (IOException ex) { } return retorno; } public String imagen(String palabra, String cuerpo) throws IOException { String nombre = palabra; cuerpo(cuerpo); String cmd = ""; cmd += "dot "; cmd += " -Tpng "; cmd += "C:\\EDD\\" + nombre + ".txt "; cmd += " -o "; cmd += "C:\\EDD\\" + nombre + ".png"; Runtime rt = Runtime.getRuntime(); rt.exec(cmd); return nombre + ".png"; } public void cuerpo(String cuerpo) { String nombreArchivo = "C:\\EDD\\lista.txt"; FileWriter fw = null; String cadena = "Digraph g{\nrankdir=LR\n"; cadena += " node [shape=circle];\n"; cadena += " node [style=filled];\n"; cadena += " node [fillcolor=\"#EEEEEE\"];\n"; cadena += " node [color=lightblue];\n"; cadena += " edge [color=\"#31CEF0\"]; "; try { fw = new FileWriter(nombreArchivo); BufferedWriter bw = new BufferedWriter(fw); PrintWriter salArch = new PrintWriter(bw); cadena += cuerpo; cadena += " }"; salArch.println(cadena); salArch.close(); } catch (IOException ex) { } } public static String getString(String metodo, RequestBody formBody) { try { URL url = new URL("http://0.0.0.0:5000/" + metodo); Request request = new Request.Builder().url(url).post(formBody).build(); Response response = webClient.newCall(request).execute(); String response_string = response.body().string(); return response_string; } catch (Exception ex) { } return null; } /** * @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(Lista.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(Lista.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(Lista.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(Lista.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 Lista().setVisible(true); } }); } // Variables declaration - do not modify//GEN-BEGIN:variables private javax.swing.JTextField agregar; private javax.swing.JTextField borrar; private javax.swing.JTextField buscar; private javax.swing.JButton jButton1; private javax.swing.JButton jButton2; private javax.swing.JButton jButton3; private javax.swing.JLabel jLabel1; // End of variables declaration//GEN-END:variables }