44 lines
1.4 KiB
Java
44 lines
1.4 KiB
Java
package org.hso.ecommerce.components;
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import org.hso.ecommerce.entities.shop.ShoppingCart;
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import org.springframework.web.servlet.HandlerInterceptor;
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import org.springframework.web.servlet.ModelAndView;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpSession;
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public class ShoppingCartInterceptor implements HandlerInterceptor {
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@Override
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public boolean preHandle(
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HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
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HttpSession session = request.getSession();
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Object shoppingCart = session.getAttribute("shoppingCart");
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if (shoppingCart == null) {
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shoppingCart = new ShoppingCart();
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}
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request.setAttribute("shoppingCart", shoppingCart);
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return true;
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}
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@Override
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public void postHandle(
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HttpServletRequest request, HttpServletResponse response, Object handler,
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ModelAndView modelAndView) throws Exception {
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HttpSession session = request.getSession();
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Object shoppingCart = request.getAttribute("shoppingCart");
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session.setAttribute("shoppingCart", shoppingCart);
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}
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@Override
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public void afterCompletion(HttpServletRequest request, HttpServletResponse response,
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Object handler, Exception exception) throws Exception {
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}
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}
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