public static ConversionService getSharedInstance() {
ApplicationConversionService sharedInstance = ApplicationConversionService.sharedInstance;
if (sharedInstance == null) {
synchronized (ApplicationConversionService.class) {
sharedInstance = ApplicationConversionService.sharedInstance;
if (sharedInstance == null) {
sharedInstance = new ApplicationConversionService();
ApplicationConversionService.sharedInstance = sharedInstance;
}
}
}
return sharedInstance;
}