001/*
002 *  Copyright 2015 Anyware Services
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package org.ametys.plugins.blog;
017
018import org.apache.avalon.framework.service.ServiceException;
019import org.apache.avalon.framework.service.ServiceManager;
020import org.apache.avalon.framework.service.Serviceable;
021
022import org.ametys.cms.transformation.xslt.AmetysXSLTHelper;
023import org.ametys.web.repository.page.Page;
024import org.ametys.web.repository.page.SitemapElement;
025
026/**
027 * Helper component to be used from XSL stylesheets.
028 */
029public class BlogXSLTHelper implements Serviceable
030{
031    private static BlogPageHandler _blogPageHandler;
032    
033    @Override
034    public void service(ServiceManager smanager) throws ServiceException
035    {
036        _blogPageHandler = (BlogPageHandler) smanager.lookup(BlogPageHandler.ROLE);
037    }
038    
039    /**
040     * Get the path in sitemap of the blog root page
041     * @param siteName The site name
042     * @param lang The sitemap map
043     * @return The path in sitemap or null if there is no root blog page
044     */
045    public static String blogRootPath (String siteName, String lang)
046    {
047        SitemapElement rootPage = _blogPageHandler.getBlogRootPage(siteName, lang);
048        if (rootPage != null)
049        {
050            return rootPage.getPathInSitemap();
051        }
052        return null;
053    }
054    
055    /**
056     * Get the id of the page holding the given tag
057     * @param siteName The site name
058     * @param lang  The sitemap map
059     * @param tagName The tag's name
060     * @return the id of the page or null if not found
061     */
062    public static String blogTagPage (String siteName, String lang, String tagName)
063    {
064        String tagPath = AmetysXSLTHelper.tagPath(siteName, tagName);
065        
066        Page tagPage = _blogPageHandler.getTagPage(siteName, lang, tagPath);
067        if (tagPage != null)
068        {
069            return tagPage.getId();
070        }
071        return null;
072    }
073}