ConsultarpDF

package pdf;

import java.awt.Desktop;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.sql.Blob;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.logging.Level;
import java.util.logging.Logger;
import static java.util.logging.Logger.global;
import javax.swing.JOptionPane;
import org.omg.CORBA.portable.InputStream;
import softwaremecanica.conectar;

/**
 *
 * @author SASAGA
 */




public class RecuperarPdf extends javax.swing.JFrame {

    /**
     * Creates new form RecuperarPdf
     */




    public void BorrarFicheros(){
         String SourcePath="C:\\Program Files\\EMILIANO\\pdf";
         File path = new File(SourcePath);
          File[] ficheros = path.listFiles();
         File f=null;

         if(path.exists()){
             for(int x=0;x<ficheros.length;x++){
                 f=new File(ficheros[x].toString());
                 f.delete();
             }
         }else{

         }
         }

        public void abrirArchivo(){

try{
 File folder = new File("C:\\Program Files\\EMILIANO\\pdf");
 String pathname = folder+"\\"+Codigo.getText()+".pdf";

File path = new File(pathname);
Desktop.getDesktop().open(path);
}catch(IOException e){
e.printStackTrace();
System.out.println("Ruta erronea");
}
}

    public void bajar_archivo()throws SQLException, IOException{
        conectar cc=new conectar();
        Connection cn=cc.conexion();
        Statement st=cn.createStatement();
        String sql = "SELECT HojaVida FROM documentacion WHERE CodigoUsuario="+Codigo.getText()+"";
         ResultSet rs=st.executeQuery(sql);

         try {
             rs.next();
             File folder = new File("C:\\Program Files\\EMILIANO\\pdf");
             folder.mkdir();

            String pathname = folder+"\\"+Codigo.getText()+".pdf";
            File file = new File(pathname);
             FileOutputStream output = new FileOutputStream(file);
             Blob archivo = rs.getBlob(1);
             java.io.InputStream inStream = archivo.getBinaryStream();
             int lenght = -1;
             int size =(int)archivo.length();
             byte[]buffer = new byte[size];
             while((lenght = inStream.read(buffer))!=-1){
                 output.write(buffer,0,lenght);

             output.close();


             }
        } catch (Exception ioe) {
            throw  new IOException(ioe.getMessage());
        }

    }


    public RecuperarPdf() {
        initComponents();
    }

    /**
     * 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">
    private void initComponents() {

        jButton1 = new javax.swing.JButton();
        Codigo = new javax.swing.JTextField();
        jButton2 = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jButton1.setText("Visualizar");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        Codigo.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CodigoActionPerformed(evt);
            }
        });

        jButton2.setText("Salir");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(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()
                .addGap(109, 109, 109)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 116, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(Codigo, javax.swing.GroupLayout.PREFERRED_SIZE, 127, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(46, 46, 46)
                .addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 83, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(35, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addGap(37, 37, 37)
                .addComponent(Codigo, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(79, 79, 79)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 57, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 48, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addContainerGap(107, Short.MAX_VALUE))
        );

        pack();
    }// </editor-fold>

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
        try {
            // TODO add your handling code here:
            bajar_archivo();
        } catch (SQLException ex) {
            Logger.getLogger(RecuperarPdf.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(RecuperarPdf.class.getName()).log(Level.SEVERE, null, ex);
        }

        abrirArchivo();

    }

    private void CodigoActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
    }

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
        BorrarFicheros();
        dispose();
    }

    /**
     * @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(RecuperarPdf.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(RecuperarPdf.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(RecuperarPdf.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(RecuperarPdf.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 RecuperarPdf().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify
    private javax.swing.JTextField Codigo;
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    // End of variables declaration

}