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Spring Framework example source code file (ViewCartController.java)

This example Spring Framework source code file (ViewCartController.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Spring Framework tags/keywords

cart, cart, controller, controller, exception, http, httpservletresponse, modelandview, request, response, servlet, string, string, usersession, usersession, viewcartcontroller

The Spring Framework ViewCartController.java source code

package org.springframework.samples.jpetstore.web.spring;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.samples.jpetstore.domain.Cart;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;
import org.springframework.web.util.WebUtils;

/**
 * @author Juergen Hoeller
 * @since 30.11.2003
 */
public class ViewCartController implements Controller {

	private String successView;

	public void setSuccessView(String successView) {
		this.successView = successView;
	}

	public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
		UserSession userSession = (UserSession) WebUtils.getSessionAttribute(request, "userSession");
		Cart cart = (Cart) WebUtils.getOrCreateSessionAttribute(request.getSession(), "sessionCart", Cart.class);
		String page = request.getParameter("page");
		if (userSession != null) {
			if ("next".equals(page)) {
				userSession.getMyList().nextPage();
			}
			else if ("previous".equals(page)) {
				userSession.getMyList().previousPage();
			}
		}
		if ("nextCart".equals(page)) {
			cart.getCartItemList().nextPage();
		}
		else if ("previousCart".equals(page)) {
			cart.getCartItemList().previousPage();
		}
		return new ModelAndView(this.successView, "cart", cart);
	}

}

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