protected void saveToFile() { if (this.fileChooser == null) { this.fileChooser = new JFileChooser(); this.fileChooser.setCurrentDirectory(new File(Configuration.getUserHomeDirectory())); } this.fileChooser.setDialogTitle("Choose Directory to Place Airspaces"); this.fileChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY); this.fileChooser.setMultiSelectionEnabled(false); int status = this.fileChooser.showSaveDialog(null); if (status != JFileChooser.APPROVE_OPTION) return; final File dir = this.fileChooser.getSelectedFile(); if (dir == null) return; if (!dir.exists()) { //noinspection ResultOfMethodCallIgnored dir.mkdirs(); } final Iterable<AirspaceEntry> entries = this.getModel().getEntries(); Thread t = new Thread( new Runnable() { public void run() { try { java.text.DecimalFormat f = new java.text.DecimalFormat("####"); f.setMinimumIntegerDigits(4); int counter = 0; for (AirspaceEntry entry : entries) { Airspace a = entry.getAirspace(); AirspaceAttributes currentAttribs = a.getAttributes(); a.setAttributes(entry.getAttributes()); String xmlString = a.getRestorableState(); if (xmlString != null) { try { PrintWriter of = new PrintWriter( new File( dir, a.getClass().getName() + "-" + entry.getName() + "-" + f.format(counter++) + ".xml")); of.write(xmlString); of.flush(); of.close(); } catch (Exception e) { e.printStackTrace(); } } a.setAttributes(currentAttribs); } } finally { SwingUtilities.invokeLater( new Runnable() { public void run() { setEnabled(true); getApp().setCursor(null); getApp().getWwd().redraw(); } }); } } }); this.setEnabled(false); getApp().setCursor(new Cursor(Cursor.WAIT_CURSOR)); t.start(); }