How to use the pygw.config.java_pkg.java.lang function in pygw

def _invoke_filter_list_method_by_name(j_filter_factory, name, filters):
    filter_factory_class = j_filter_factory.getClass()
    list_class = reflection_util.classForName("java.util.List")
    class_array = java_gateway.new_array(java_pkg.java.lang.Class, 1)
    class_array[0] = list_class
    method = filter_factory_class.getMethod(name, class_array)
    filter_list = java_pkg.java.util.ArrayList()
    for filter in filters:
        filter_list.append(filter)
    objects_array = java_gateway.new_array(java_pkg.java.lang.Object, 1)
    objects_array[0] = filter_list
    return method.invoke(j_filter_factory, objects_array)

Args:
            value (any): The literal value to use.
        Returns:
            An Expression with the given literal value.
        """
        if isinstance(value, datetime):
            # Convert the date to a string
            value = value.strftime("%Y-%m-%dT%H:%M:%S")
        if isinstance(value, str):
            # Prevent Py4J from assuming the string matches up with the char variant method
            filter_factory_class = self._java_ref.getClass()
            object_class = reflection_util.classForName("java.lang.Object")
            class_array = java_gateway.new_array(java_pkg.java.lang.Class, 1)
            class_array[0] = object_class
            method = filter_factory_class.getMethod("literal", class_array)
            objects_array = java_gateway.new_array(java_pkg.java.lang.Object, 1)
            objects_array[0] = value
            return method.invoke(self._java_ref, objects_array)
        if isinstance(value, BaseGeometry):
            return self._java_ref.literal(GeometryType().to_java(value))
        return self._java_ref.literal(value)

def _invoke_filter_list_method_by_name(j_filter_factory, name, filters):
    filter_factory_class = j_filter_factory.getClass()
    list_class = reflection_util.classForName("java.util.List")
    class_array = java_gateway.new_array(java_pkg.java.lang.Class, 1)
    class_array[0] = list_class
    method = filter_factory_class.getMethod(name, class_array)
    filter_list = java_pkg.java.util.ArrayList()
    for filter in filters:
        filter_list.append(filter)
    objects_array = java_gateway.new_array(java_pkg.java.lang.Object, 1)
    objects_array[0] = filter_list
    return method.invoke(j_filter_factory, objects_array)

def _invoke_filter_method_by_name(j_filter_factory, name, filter):
    filter_factory_class = j_filter_factory.getClass()
    filter_class = reflection_util.classForName("org.opengis.filter.Filter")
    class_array = java_gateway.new_array(java_pkg.java.lang.Class, 1)
    class_array[0] = filter_class
    method = filter_factory_class.getMethod(name, class_array)
    objects_array = java_gateway.new_array(java_pkg.java.lang.Object, 1)
    objects_array[0] = filter
    return method.invoke(j_filter_factory, objects_array)