com.jnj.b2b.storefront.interceptors.beforeview.UiExperienceMetadataViewHandler.java Source code

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Here is the source code for com.jnj.b2b.storefront.interceptors.beforeview.UiExperienceMetadataViewHandler.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.jnj.b2b.storefront.interceptors.beforeview;

import de.hybris.platform.acceleratorservices.storefront.data.MetaElementData;
import de.hybris.platform.acceleratorservices.uiexperience.UiExperienceService;
import de.hybris.platform.commerceservices.enums.UiExperienceLevel;
import com.jnj.b2b.storefront.interceptors.BeforeViewHandler;

import java.util.List;

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

import org.springframework.web.servlet.ModelAndView;

/**
 * Adds meta tags to help guide the device for the current UI Experience.
 */
public class UiExperienceMetadataViewHandler implements BeforeViewHandler {
    @Resource(name = "uiExperienceService")
    private UiExperienceService uiExperienceService;

    /*
     * (non-Javadoc)
     * 
     * @see de.hybris.platform.yacceleratorstorefront.interceptors.BeforeViewHandler#beforeView(javax.servlet.http.
     * HttpServletRequest, javax.servlet.http.HttpServletResponse, org.springframework.web.servlet.ModelAndView)
     */
    @Override
    public void beforeView(final HttpServletRequest request, final HttpServletResponse response,
            final ModelAndView modelAndView) throws Exception {

        if (modelAndView != null && modelAndView.getModel().containsKey("metatags")) {

            final List<MetaElementData> metaelements = ((List<MetaElementData>) modelAndView.getModel()
                    .get("metatags"));
            final UiExperienceLevel currentUiExperienceLevel = uiExperienceService.getUiExperienceLevel();
            if (UiExperienceLevel.DESKTOP.equals(currentUiExperienceLevel)) {

                // Provide some hints to mobile browser even though this is not the mobile site -->
                metaelements.add(createMetaElement("HandheldFriendly", "True"));
                metaelements.add(createMetaElement("MobileOptimized", "970"));
                metaelements
                        .add(createMetaElement("viewport", "width=970, target-densitydpi=160, maximum-scale=1.0"));
            } else if (UiExperienceLevel.MOBILE.equals(currentUiExperienceLevel)) {
                // Provide some hints to mobile browser even though this is not the mobile site -->
                metaelements.add(createMetaElement("HandheldFriendly", "True"));
                metaelements.add(createMetaElement("MobileOptimized", "320"));
                metaelements.add(createMetaElement("viewport",
                        "width=device-width, target-densitydpi=160, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no"));
                metaelements.add(createMetaElement("format-detection", "telephone=no"));
            }
        }

    }

    protected MetaElementData createMetaElement(final String name, final String content) {
        final MetaElementData element = new MetaElementData();
        element.setName(name);
        element.setContent(content);
        return element;
    }
}