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Spring MVC - SessionStatus Examples

Spring MVC 

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.SessionAttributes;
import org.springframework.web.bind.support.SessionStatus;

import javax.servlet.http.HttpServletRequest;

@Controller
@SessionAttributes("visitor")
@RequestMapping
public class TradeController {

@RequestMapping("/trades/**")
public String handleRequestById (@ModelAttribute("visitor") Visitor visitor, Model model,
HttpServletRequest request, SessionStatus sessionStatus) {

model.addAttribute("msg", "trades request, serving page " + request.getRequestURI());
if (request.getRequestURI()
.endsWith("clear")) {
sessionStatus.setComplete();
return "clear-page";
} else {
visitor.addPageVisited(request.getRequestURI());
return "traders-page";
}
}



@ModelAttribute("visitor")
public Visitor getVisitor (HttpServletRequest request) {
return new Visitor(request.getRemoteAddr());
}
}
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