code: public void setHttpMessage(HttpMessage httpMessage) {
          this.httpMessage = httpMessage;
          setParamNames(httpMessage.getParamNames());
          this.alertUrl.setText(httpMessage.getRequestHeader().getURI().toString());
          this.historyRef = null;
      }
docs: Sets the {@code HttpMessage} that will be set to the new alert.
  
  @param httpMessage
  the {@code HttpMessage} that will be set to the new alert