How to use

UndertowHttpFacade$RequestFacade

in

org.keycloak.adapters.undertow

@Override
public String getFirstParam(String param) {
  Deque<String> values = exchange.getQueryParameters().get(param);
  if (values != null && !values.isEmpty()) {
    return values.getFirst();
  }
  if (formData == null && "post".equalsIgnoreCase(getMethod())) {
    FormDataParser parser = formParserFactory.createParser(exchange);
    try {
      formData = parser.parseBlocking();
    } catch (IOException cause) {
      throw new RuntimeException("Failed to parse form parameters", cause);
    }
  }
  if (formData != null) {
    Deque<FormValue> formValues = formData.get(param);
    if (formValues != null && !formValues.isEmpty()) {
      FormValue firstValue = formValues.getFirst();
      if (!firstValue.isFile()) {
        return firstValue.getValue();
      }
    }
  }
  return null;
}

@Override
public InputStream getInputStream() {
  return getInputStream(false);
}

@Override
public InputStream getInputStream() {
  return getInputStream(false);
}

@Override
public String getFirstParam(String param) {
  Deque<String> values = exchange.getQueryParameters().get(param);
  if (values != null && !values.isEmpty()) {
    return values.getFirst();
  }
  if (formData == null && "post".equalsIgnoreCase(getMethod())) {
    FormDataParser parser = formParserFactory.createParser(exchange);
    try {
      formData = parser.parseBlocking();
    } catch (IOException cause) {
      throw new RuntimeException("Failed to parse form parameters", cause);
    }
  }
  if (formData != null) {
    Deque<FormValue> formValues = formData.get(param);
    if (formValues != null && !formValues.isEmpty()) {
      FormValue firstValue = formValues.getFirst();
      if (!firstValue.isFile()) {
        return firstValue.getValue();
      }
    }
  }
  return null;
}