}
protected void performBrowse() {
String[] extensions = {".xsd"}; //$NON-NLS-1$
SelectFileOrXMLCatalogIdDialog dialog = new SelectFileOrXMLCatalogIdDialog(getShell(), extensions);
dialog.create();
dialog.getShell().setText(XMLUIMessages._UI_LABEL_SELECT_FILE);
dialog.setBlockOnOpen(true);
dialog.open();
if (dialog.getReturnCode() == Window.OK) {