package org.springmodules.feedxt.web.controller;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.validation.BindException;
import org.springframework.web.servlet.ModelAndView;
import org.springmodules.feedxt.domain.FeedSubscription;
import org.springmodules.feedxt.domain.FeedSubscriptionImpl;
import org.springmodules.feedxt.domain.User;
import org.springmodules.feedxt.domain.support.SubscriptionAlreadyExistentException;
import org.springmodules.feedxt.service.UserService;
import org.springmodules.feedxt.web.controller.support.UserHolder;
import org.springmodules.feedxt.web.view.AddFeedSubscriptionView;
import org.springmodules.web.servlet.mvc.EnhancedSimpleFormController;
import org.springmodules.xt.ajax.web.servlet.AjaxModelAndView;
import org.springmodules.xt.model.generator.factory.DynamicFactoryGenerator;
/**
* @author Sergio Bossa
*/
public class AddSubscriptionController extends EnhancedSimpleFormController {
private DynamicFactoryGenerator<AddFeedSubscriptionView, FeedSubscriptionImpl> generator;
private UserService userService;
private UserHolder userHolder;
public AddSubscriptionController() {
this.generator = new DynamicFactoryGenerator<AddFeedSubscriptionView, FeedSubscriptionImpl>(AddFeedSubscriptionView.class, FeedSubscriptionImpl.class);
}
public void setUserService(UserService userService) {
this.userService = userService;
}
public void setUserHolder(UserHolder userHolder) {
this.userHolder = userHolder;
}
protected Object formBackingObject(HttpServletRequest request) throws Exception {
return generator.generate();
}
protected ModelAndView onSubmit(HttpServletRequest request, HttpServletResponse response, Object command, BindException errors) throws Exception {
AddFeedSubscriptionView factoryView = (AddFeedSubscriptionView) command;
FeedSubscription subscription = factoryView.makeFeedSubscription();
User user = this.userHolder.getUser();
try {
this.userService.subscribeToFeed(user, subscription);
} catch (SubscriptionAlreadyExistentException ex) {
errors.reject("subscription.duplicated.name", "Subscription with the same name already existent.");
return new AjaxModelAndView(null, errors);
}
return new AjaxModelAndView(this.getSuccessView(), errors);
}
}