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 io.albraga.namus; import java.io.File; import java.io.FileReader; import java.io.IOException; import java.lang.reflect.Method; import java.net.URL; import java.net.URLClassLoader; import java.util.logging.Level; import java.util.logging.Logger; import javax.swing.JFileChooser; import org.apache.commons.exec.DefaultExecutor; import org.apache.commons.exec.CommandLine; /** * * @author 82038198 */ public class OverlaypdfUI extends javax.swing.JFrame { /** * Creates new form OverlaypdfUI */ public OverlaypdfUI() { 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">//GEN-BEGIN:initComponents private void initComponents() { jFileChooser1 = new javax.swing.JFileChooser(); jButton1 = new javax.swing.JButton(); jMenuBar1 = new javax.swing.JMenuBar(); jMenu1 = new javax.swing.JMenu(); jMenuItem1 = new javax.swing.JMenuItem(); jMenuItem2 = new javax.swing.JMenuItem(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); jButton1.setText("jButton1"); jButton1.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton1ActionPerformed(evt); } }); jMenu1.setText("File"); jMenuItem1.setText("Open"); jMenuItem1.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jMenuItem1ActionPerformed(evt); } }); jMenu1.add(jMenuItem1); jMenuItem2.setText("Exit"); jMenuItem2.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jMenuItem2ActionPerformed(evt); } }); jMenu1.add(jMenuItem2); jMenuBar1.add(jMenu1); setJMenuBar(jMenuBar1); 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(33, 33, 33).addComponent(jButton1) .addContainerGap(294, Short.MAX_VALUE))); layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addGap(37, 37, 37).addComponent(jButton1) .addContainerGap(219, Short.MAX_VALUE))); pack(); }// </editor-fold>//GEN-END:initComponents private void jMenuItem2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem2ActionPerformed System.exit(0); }//GEN-LAST:event_jMenuItem2ActionPerformed private void jMenuItem1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem1ActionPerformed int returnVal = jFileChooser1.showOpenDialog(this); if (returnVal == JFileChooser.APPROVE_OPTION) { File file = jFileChooser1.getSelectedFile(); try { } catch (Exception ex) { System.out.println("problem accessing file" + file.getAbsolutePath()); } } else { System.out.println("File access cancelled by user."); } }//GEN-LAST:event_jMenuItem1ActionPerformed private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed try { load(); } catch (Exception ex) { Logger.getLogger(OverlaypdfUI.class.getName()).log(Level.SEVERE, null, ex); } }//GEN-LAST:event_jButton1ActionPerformed /** * @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(OverlaypdfUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(OverlaypdfUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(OverlaypdfUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(OverlaypdfUI.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 OverlaypdfUI().setVisible(true); } }); } private static void load() throws Exception { String[] args = new String[3]; args[0] = "input.pdf"; args[1] = "overlay.pdf"; args[2] = "output.pdf"; URL[] classLoaderUrls = new URL[] { new URL("file:///pdfbox-tools-2.0.4") }; URLClassLoader urlClassLoader = new URLClassLoader(classLoaderUrls); Class<?> overlaypdfClass = urlClassLoader.loadClass("org.apache.pdfbox.tools.OverlayPDF"); Method method = overlaypdfClass.getMethod("main", new Class[] { args.getClass() }); method.invoke(null, new Object[] { args }); } // Variables declaration - do not modify//GEN-BEGIN:variables private javax.swing.JButton jButton1; private javax.swing.JFileChooser jFileChooser1; private javax.swing.JMenu jMenu1; private javax.swing.JMenuBar jMenuBar1; private javax.swing.JMenuItem jMenuItem1; private javax.swing.JMenuItem jMenuItem2; // End of variables declaration//GEN-END:variables }