com.acc.storefront.interceptors.BeforeViewHandlerInterceptor.java Source code

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Here is the source code for com.acc.storefront.interceptors.BeforeViewHandlerInterceptor.java

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/*
 * [y] hybris Platform
 *
 * Copyright (c) 2000-2013 hybris AG
 * All rights reserved.
 *
 * This software is the confidential and proprietary information of hybris
 * ("Confidential Information"). You shall not disclose such Confidential
 * Information and shall use it only in accordance with the terms of the
 * license agreement you entered into with hybris.
 * 
 *  
 */
package com.acc.storefront.interceptors;

import java.util.List;

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

import org.springframework.beans.factory.annotation.Required;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

/**
 * A postHandle HandlerInterceptor that runs a number of BeforeViewHandlers before the view is rendered.
 */
public class BeforeViewHandlerInterceptor extends HandlerInterceptorAdapter {
    private List<BeforeViewHandler> beforeViewHandlers;

    protected List<BeforeViewHandler> getBeforeViewHandlers() {
        return beforeViewHandlers;
    }

    @Required
    public void setBeforeViewHandlers(final List<BeforeViewHandler> beforeViewHandlers) {
        this.beforeViewHandlers = beforeViewHandlers;
    }

    @Override
    public void postHandle(final HttpServletRequest request, final HttpServletResponse response,
            final Object handler, final ModelAndView modelAndView) throws Exception {
        if (modelAndView != null && !isIncludeRequest(request) && isSupportedView(modelAndView)) {
            for (final BeforeViewHandler beforeViewHandler : getBeforeViewHandlers()) {
                beforeViewHandler.beforeView(request, response, modelAndView);
            }
        }
    }

    protected boolean isIncludeRequest(final HttpServletRequest request) {
        return request.getAttribute("javax.servlet.include.request_uri") != null;
    }

    protected boolean isSupportedView(final ModelAndView modelAndView) {
        return modelAndView.getViewName() != null && !isRedirectView(modelAndView);
    }

    protected boolean isRedirectView(final ModelAndView modelAndView) {
        final String viewName = modelAndView.getViewName();
        return viewName != null && viewName.startsWith("redirect:");
    }
}