return instance;
}
private SpreadshirtDataService() {
try {
urlConnectionFactory = new HttpUrlConnectionFactory(apiKey, secret, null);
commandFactory = new HttpCallCommandFactory(urlConnectionFactory);
objectFactory = new ObjectFactory();
jaxbContext = JAXBContext.newInstance("net.spreadshirt.api");
cacheManager = new CacheManager(this.getClass().getClassLoader().getResourceAsStream("/ehcache.xml"));