cdm/src/main/java/ucar/nc2/ft/FeatureDatasetFactoryManager.java
static public void registerFactory(String className) throws ClassNotFoundException {
    Class c = Class.forName(className);
    registerFactory(c);
  }
static public void registerFactory(String className) throws ClassNotFoundException {
    Class c = Class.forName(className);
    registerFactory(c);
  }
Register a class that implements a FeatureDatasetFactory.

@param className name of class that implements FeatureDatasetFactory.
@throws ClassNotFoundException if loading error