package org.springframework.samples.jpetstore.web.spring;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.ModelAndViewDefiningException;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
import org.springframework.web.util.WebUtils;
/**
* @author Juergen Hoeller
* @since 01.12.2003
*/
public class SignonInterceptor extends HandlerInterceptorAdapter {
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
throws Exception {
UserSession userSession = (UserSession) WebUtils.getSessionAttribute(request, "userSession");
if (userSession == null) {
String url = request.getServletPath();
String query = request.getQueryString();
ModelAndView modelAndView = new ModelAndView("SignonForm");
if (query != null) {
modelAndView.addObject("signonForwardAction", url+"?"+query);
}
else {
modelAndView.addObject("signonForwardAction", url);
}
throw new ModelAndViewDefiningException(modelAndView);
}
else {
return true;
}
}
}