com.mitre.storefront.servlets.util.DefaultThemeResolver.java Source code

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Here is the source code for com.mitre.storefront.servlets.util.DefaultThemeResolver.java

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/*
 * [y] hybris Platform
 *
 * Copyright (c) 2000-2015 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.mitre.storefront.servlets.util;

import de.hybris.platform.cms2.model.site.CMSSiteModel;
import de.hybris.platform.cms2.servicelayer.services.CMSSiteService;
import de.hybris.platform.commerceservices.enums.SiteTheme;

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

import org.springframework.beans.factory.annotation.Required;
import org.springframework.web.servlet.theme.AbstractThemeResolver;

/**
 * Resolve the spring theme name from the CMSSite.
 * The spring theme name is built from the CMSSite UID and the CMSSite Theme.
 */
public class DefaultThemeResolver extends AbstractThemeResolver {
    public static final String THEME_REQUEST_ATTRIBUTE_NAME = DefaultThemeResolver.class.getName() + ".THEME";

    private CMSSiteService cmsSiteService;

    @Override
    public String resolveThemeName(final HttpServletRequest request) {
        // Lookup the cached theme name in the request
        String themeName = (String) request.getAttribute(THEME_REQUEST_ATTRIBUTE_NAME);

        if (themeName == null) {
            // Resolve Theme from CMSSiteService
            themeName = determineDefaultThemeName();

            // Cache the theme in the request attributes
            if (themeName != null) {
                request.setAttribute(THEME_REQUEST_ATTRIBUTE_NAME, themeName);
            }
        }

        return themeName;
    }

    protected String determineDefaultThemeName() {
        // Resolve Theme from CMSSiteService
        final CMSSiteModel currentSite = getCmsSiteService().getCurrentSite();
        if (currentSite != null) {
            return combineSiteAndTheme(currentSite.getUid(), getThemeNameForSite(currentSite));
        }
        return null;
    }

    protected String getThemeNameForSite(final CMSSiteModel site) {
        final SiteTheme theme = site.getTheme();
        if (theme != null) {
            final String themeCode = theme.getCode();
            if (themeCode != null && !themeCode.isEmpty()) {
                return themeCode;
            }
        }
        return getDefaultThemeName();
    }

    protected String combineSiteAndTheme(final String siteUid, final String themeName) {
        return siteUid + "," + themeName;
    }

    @Override
    public void setThemeName(final HttpServletRequest arg0, final HttpServletResponse arg1, final String arg2) {
        throw new UnsupportedOperationException("Cannot change theme - use a different theme resolution strategy");
    }

    /**
     * @return the cmsSiteService
     */
    protected CMSSiteService getCmsSiteService() {
        return cmsSiteService;
    }

    /**
     * @param cmsSiteService the CMSSiteService to set
     */
    @Required
    public void setCmsSiteService(final CMSSiteService cmsSiteService) {
        this.cmsSiteService = cmsSiteService;
    }
}