code: public Object getObjectFromNameClassPair(final NameClassPair nameClassPair) {
  		if (!(nameClassPair instanceof Binding)) {
  			throw new IllegalArgumentException("Parameter must be an instance of Binding");
  		}
  
  		Binding binding = (Binding) nameClassPair;
  		Object object = binding.getObject();
  		if (object == null) {
  			throw new ObjectRetrievalException("Binding did not contain any object.");
  		}
  		Object result = null;
  		if (nameClassPair instanceof HasControls) {
  			result = mapper.mapFromContextWithControls(object, (HasControls) nameClassPair);
  		}
  		else {
  			result = mapper.mapFromContext(object);
  		}
  		return result;
  	}
docs: /*
  @see org.springframework.ldap.core.ContextMapperCallbackHandler#
  getObjectFromNameClassPair(javax.naming.NameClassPair)