private List<String> getTileSets() throws IOException,
ParserConfigurationException, SAXException {
GeoServerResourceLoader resourceLoader = ((GeoServerApplication) getApplication())
.getCatalog().getResourceLoader();
File dir = resourceLoader.findOrCreateDirectory("tilesets");
TileSetsParser tileSetsParser = new TileSetsParser(dir,
((GeoServerApplication) getApplication()).LOGGER);
return tileSetsParser.getTileSetsNames();
}