/**
* This action deletes a single alert from the system.
*
* @param userSession the user session that is performing the action.
* @param request the http request object related to the action.
* @param response the http response object related to the action.
* @throws javax.servlet.ServletException
* @throws java.io.IOException
*/
public void performDelete(
UserSession userSession, HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String alert_no = request.getParameter("alert_no");
LogController.write(this, "[USER REQUEST] Performing alert delete: " + alert_no);
AlertBean alert = new AlertBean();
try {
alert.setAlertNo(Integer.parseInt(alert_no));
} catch (Exception e) {
LogController.write(this, "Received invalid value for alert number: " + alert_no);
return;
}
SessionController.deleteAlert(userSession, alert);
forward("welcome-employee.jsp", request, response);
}
/**
* Validate the form.
*
* @param mapping_ The action map from struts-config.xml.
* @param request_ The servlet request object.
* @return ActionErrors when an error is found, otherwise null.
*/
public ActionErrors validate(ActionMapping mapping_, HttpServletRequest request_) {
ActionErrors errors = new ActionErrors();
HttpSession session = request_.getSession();
if (session == null) {
_logger.info("No session exists. [" + this.getClass().getName() + "]");
errors.add("bean", new ActionMessage("error.nobean"));
return errors;
}
AlertBean ub = (AlertBean) session.getAttribute(AlertBean._SESSIONNAME);
if (ub == null) {
_logger.info("No session bean exists. [" + this.getClass().getName() + "]");
errors.add("bean", new ActionMessage("error.nobean"));
return errors;
}
if (!ub.getKey().equals(_sessionKey)) {
_logger.error(
"Sessionkeys do not match. ["
+ ub.getUser()
+ "] ["
+ this.getClass().getName()
+ "] [Page "
+ _sessionKey
+ "] [Bean "
+ ub.getKey()
+ "]");
errors.add("bean", new ActionMessage("error.nobean"));
return errors;
}
if (!ub.checkHost(request_.getRemoteHost())) {
_logger.error(
"Request is made from a host other than the creator. ["
+ ub.getUser()
+ "] ["
+ this.getClass().getName()
+ "] [Creator "
+ ub.getRemoteHost()
+ "] [Requestor "
+ request_.getRemoteHost()
+ "]");
errors.add("bean", new ActionMessage("error.nobean"));
return errors;
}
return validate(mapping_, request_, ub, errors);
}