001    /**
002     * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet.wiki.action;
016    
017    import com.liferay.portal.kernel.dao.search.SearchContainer;
018    import com.liferay.portal.kernel.util.ParamUtil;
019    import com.liferay.portal.kernel.util.StringBundler;
020    import com.liferay.portal.kernel.util.StringPool;
021    import com.liferay.portal.kernel.util.Validator;
022    import com.liferay.portal.theme.ThemeDisplay;
023    import com.liferay.portal.util.Portal;
024    import com.liferay.portal.util.PortalUtil;
025    import com.liferay.portal.util.PortletKeys;
026    import com.liferay.portal.util.WebKeys;
027    import com.liferay.portlet.wiki.service.WikiPageServiceUtil;
028    import com.liferay.portlet.wiki.util.WikiUtil;
029    import com.liferay.util.RSSUtil;
030    
031    import java.util.Locale;
032    
033    import javax.servlet.http.HttpServletRequest;
034    
035    /**
036     * @author Jorge Ferrer
037     */
038    public class RSSAction extends com.liferay.portal.struts.RSSAction {
039    
040            @Override
041            protected byte[] getRSS(HttpServletRequest request) throws Exception {
042                    ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
043                            WebKeys.THEME_DISPLAY);
044    
045                    long companyId = ParamUtil.getLong(request, "companyId");
046                    long nodeId = ParamUtil.getLong(request, "nodeId");
047                    String title = ParamUtil.getString(request, "title");
048                    int max = ParamUtil.getInteger(
049                            request, "max", SearchContainer.DEFAULT_DELTA);
050                    String type = ParamUtil.getString(
051                            request, "type", RSSUtil.FORMAT_DEFAULT);
052                    double version = ParamUtil.getDouble(
053                            request, "version", RSSUtil.VERSION_DEFAULT);
054                    String displayStyle = ParamUtil.getString(
055                            request, "displayStyle", RSSUtil.DISPLAY_STYLE_DEFAULT);
056    
057                    String layoutFullURL = PortalUtil.getLayoutFullURL(
058                            themeDisplay.getScopeGroupId(), PortletKeys.WIKI);
059    
060                    StringBundler sb = new StringBundler(4);
061    
062                    sb.append(layoutFullURL);
063                    sb.append(Portal.FRIENDLY_URL_SEPARATOR);
064                    sb.append("wiki/");
065                    sb.append(nodeId);
066    
067                    String feedURL = sb.toString();
068    
069                    String entryURL = feedURL + StringPool.SLASH + title;
070    
071                    Locale locale = themeDisplay.getLocale();
072    
073                    String rss = StringPool.BLANK;
074    
075                    if (nodeId > 0) {
076                            String attachmentURLPrefix = WikiUtil.getAttachmentURLPrefix(
077                                    themeDisplay.getPathMain(), themeDisplay.getPlid(), nodeId,
078                                    title);
079    
080                            if (Validator.isNotNull(title)) {
081                                    rss = WikiPageServiceUtil.getPagesRSS(
082                                            companyId, nodeId, title, max, type, version, displayStyle,
083                                            feedURL, entryURL, attachmentURLPrefix, locale);
084                            }
085                            else {
086                                    rss = WikiPageServiceUtil.getNodePagesRSS(
087                                            nodeId, max, type, version, displayStyle, feedURL, entryURL,
088                                            attachmentURLPrefix);
089                            }
090                    }
091    
092                    return rss.getBytes(StringPool.UTF8);
093            }
094    
095    }