de.hybris.platform.smarteditaddon.interceptors.beforeview.SmarteditaddonCmsPageBeforeViewHandler.java Source code

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Here is the source code for de.hybris.platform.smarteditaddon.interceptors.beforeview.SmarteditaddonCmsPageBeforeViewHandler.java

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/*
 * [y] hybris Platform
 *
 * Copyright (c) 2017 SAP SE or an SAP affiliate company. All rights reserved.
 *
 * This software is the confidential and proprietary information of SAP
 * ("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 SAP.
 */
package de.hybris.platform.smarteditaddon.interceptors.beforeview;

import de.hybris.platform.acceleratorstorefrontcommons.controllers.pages.AbstractPageController;
import de.hybris.platform.acceleratorstorefrontcommons.interceptors.BeforeViewHandler;
import de.hybris.platform.cms2.model.pages.AbstractPageModel;
import org.springframework.web.servlet.ModelAndView;

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

import static org.apache.commons.lang3.StringUtils.isNotBlank;

/**
 * This handler adds an almost unaltered page uid to a class of the jsp body with the format smartedit-page-uid-<pageUID>
 */
public class SmarteditaddonCmsPageBeforeViewHandler implements BeforeViewHandler {

    private static final String CSS_CODE_PREFIX = "smartedit-page-uid-";
    private static final String PAGE_BODY_CSS_CLASSES = "pageBodyCssClasses";
    private static final String PAGEUID_CHARACTER_EXCLUSION_REGEXP = "[^a-zA-Z0-9-_]";

    @Override
    public void beforeView(final HttpServletRequest request, final HttpServletResponse response,
            final ModelAndView modelAndView) {

        final AbstractPageModel page = (AbstractPageModel) modelAndView.getModel()
                .get(AbstractPageController.CMS_PAGE_MODEL);
        if (page != null && page.getUid() != null) {
            String presetCssClasses = (String) modelAndView.getModelMap().get(PAGE_BODY_CSS_CLASSES);

            final StringBuilder cssClasses = new StringBuilder();

            if (isNotBlank(presetCssClasses)) {
                cssClasses.append(presetCssClasses);
                cssClasses.append(' ');
            }
            cssClasses.append(CSS_CODE_PREFIX)
                    .append(page.getUid().replaceAll(PAGEUID_CHARACTER_EXCLUSION_REGEXP, "-"));
            cssClasses.append(' ');

            modelAndView.addObject(PAGE_BODY_CSS_CLASSES, cssClasses.toString());
        }
    }

}