public static <T> Class<T> getClass(java.lang.reflect.Type type) {
		if ( type == null ) {
			return null;
		}
		else if ( type instanceof Class<?> ) {
			return (Class<T>) type;
		}
    else if ( type instanceof TypeVariable<?>) {
      return getClass( ( (TypeVariable) type ).getBounds()[0]);
    }
		else if ( type instanceof ParameterizedType ) {
			return (Class<T>) ( (ParameterizedType) type ).getRawType();
		}
		throw new UnsupportedOperationException( "Can't get java type class from type: " + type );
	}

	private <J> Class<J> determineJavaTypeClass(Type javaType) {
		final Class<J> javaTypeClass;
		if ( javaType instanceof Class<?> ) {
			javaTypeClass = (Class<J>) javaType;
		}
    else if ( javaType instanceof TypeVariable<?>){
      final TypeVariable typeVariable = (TypeVariable) javaType;
      javaTypeClass = determineJavaTypeClass(typeVariable.getBounds()[0]);
    }
		else {
			final ParameterizedType parameterizedType = (ParameterizedType) javaType;
			javaTypeClass = (Class<J>) parameterizedType.getRawType();
		}
		return javaTypeClass;
	}