raise_exception method

Implementation

void raise_exception() {
  final rootTagName = this.resp_root.rootElement.name;
  if ('$rootTagName' == "Error") {
    throw OssException(this.resp_root.children[2].toXmlString());
  } else {
    final root = this.resp_root.children[2];
    response_dict = <String, String>{};
    root.children.forEach((node) {
      if (node.nodeType == XmlNodeType.ELEMENT) {
        final tag_name = (node as XmlElement).name.toString();
        final value = node.value ?? '';
        response_dict.addAll({tag_name: value});
      }
    });
  }
}