@Override public void actionPerformed(ActionEvent event) { JFileChooser fileChooser = new JFileChooser(); final FileNameExtensionFilter parameterFileFilter = createParameterFileFilter(); fileChooser.addChoosableFileFilter(parameterFileFilter); fileChooser.setFileFilter(parameterFileFilter); fileChooser.setDialogTitle(TITLE); fileChooser.setDialogType(JFileChooser.SAVE_DIALOG); applyCurrentDirectory(fileChooser); int response = fileChooser.showDialog(parentComponent, "Save"); if (JFileChooser.APPROVE_OPTION == response) { try { preserveCurrentDirectory(fileChooser); File selectedFile = fileChooser.getSelectedFile(); selectedFile = FileUtils.ensureExtension(selectedFile, "." + parameterFileFilter.getExtensions()[0]); DomElement domElement = parameterSupport.toDomElement(); escapeXmlElements(domElement); String xmlString = domElement.toXml(); writeToFile(xmlString, selectedFile); } catch (Exception e) { Debug.trace(e); Dialogs.showError(TITLE, "Could not load parameters.\n" + e.getMessage()); } } }