public static boolean showLicensing() { if (Config.getLicenseResource() == null) return true; ClassLoader cl = Main.class.getClassLoader(); URL url = cl.getResource(Config.getLicenseResource()); if (url == null) return true; String license = null; try { URLConnection con = url.openConnection(); int size = con.getContentLength(); byte[] content = new byte[size]; InputStream in = new BufferedInputStream(con.getInputStream()); in.read(content); license = new String(content); } catch (IOException ioe) { Config.trace("Got exception when reading " + Config.getLicenseResource() + ": " + ioe); return false; } // Build dialog JTextArea ta = new JTextArea(license); ta.setEditable(false); final JDialog jd = new JDialog(_installerFrame, true); Container comp = jd.getContentPane(); jd.setTitle(Config.getLicenseDialogTitle()); comp.setLayout(new BorderLayout(10, 10)); comp.add(new JScrollPane(ta), "Center"); Box box = new Box(BoxLayout.X_AXIS); box.add(box.createHorizontalStrut(10)); box.add(new JLabel(Config.getLicenseDialogQuestionString())); box.add(box.createHorizontalGlue()); JButton acceptButton = new JButton(Config.getLicenseDialogAcceptString()); JButton exitButton = new JButton(Config.getLicenseDialogExitString()); box.add(acceptButton); box.add(box.createHorizontalStrut(10)); box.add(exitButton); box.add(box.createHorizontalStrut(10)); jd.getRootPane().setDefaultButton(acceptButton); Box box2 = new Box(BoxLayout.Y_AXIS); box2.add(box); box2.add(box2.createVerticalStrut(5)); comp.add(box2, "South"); jd.pack(); final boolean accept[] = new boolean[1]; acceptButton.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { accept[0] = true; jd.hide(); jd.dispose(); } }); exitButton.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { accept[0] = false; jd.hide(); jd.dispose(); } }); // Apply any defaults the user may have, constraining to the size // of the screen, and default (packed) size. Rectangle size = new Rectangle(0, 0, 500, 300); Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); size.width = Math.min(screenSize.width, size.width); size.height = Math.min(screenSize.height, size.height); // Center the window jd.setBounds( (screenSize.width - size.width) / 2, (screenSize.height - size.height) / 2, size.width, size.height); // Show dialog jd.show(); return accept[0]; }