/**
* Check if all required parameters are received in <code>request</code>.
*
* @param request HttpServletRequest to validate
* @param state IState The restored state for this url
* @param target Part of the url that represents the target action
* @return valid result if all required parameters are received. False in otherwise.
*/
private ValidatorHelperResult allRequiredParametersReceived(
HttpServletRequest request, IState state, String target) {
Hashtable receivedParameters = new Hashtable(state.getRequiredParams());
String currentParameter = null;
Enumeration requestParameters = request.getParameterNames();
while (requestParameters.hasMoreElements()) {
currentParameter = (String) requestParameters.nextElement();
if (receivedParameters.containsKey(currentParameter)) {
receivedParameters.remove(currentParameter);
}
// If multiple parameters are received, it is possible to pass this
// verification without checking all the request parameters.
if (receivedParameters.size() == 0) {
return ValidatorHelperResult.VALID;
}
}
if (receivedParameters.size() > 0) {
this.logger.log(
HDIVErrorCodes.REQUIRED_PARAMETERS, target, receivedParameters.keySet().toString(), null);
return new ValidatorHelperResult(HDIVErrorCodes.REQUIRED_PARAMETERS);
}
return ValidatorHelperResult.VALID;
}
