001    /**
002     * Copyright (c) 2000-2013 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.blogs.action;
016    
017    import com.liferay.portal.kernel.dao.search.SearchContainer;
018    import com.liferay.portal.kernel.util.GetterUtil;
019    import com.liferay.portal.kernel.util.ParamUtil;
020    import com.liferay.portal.kernel.util.StringPool;
021    import com.liferay.portal.kernel.workflow.WorkflowConstants;
022    import com.liferay.portal.model.Layout;
023    import com.liferay.portal.theme.ThemeDisplay;
024    import com.liferay.portal.util.Portal;
025    import com.liferay.portal.util.PortalUtil;
026    import com.liferay.portal.util.WebKeys;
027    import com.liferay.portlet.blogs.service.BlogsEntryServiceUtil;
028    import com.liferay.util.RSSUtil;
029    
030    import java.util.Date;
031    
032    import javax.portlet.PortletPreferences;
033    import javax.portlet.PortletRequest;
034    
035    import javax.servlet.http.HttpServletRequest;
036    
037    /**
038     * @author Brian Wing Shun Chan
039     */
040    public class RSSAction extends com.liferay.portal.struts.RSSAction {
041    
042            @Override
043            protected byte[] getRSS(HttpServletRequest request) throws Exception {
044                    ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
045                            WebKeys.THEME_DISPLAY);
046    
047                    Layout layout = themeDisplay.getLayout();
048    
049                    long plid = ParamUtil.getLong(request, "p_l_id");
050                    long companyId = ParamUtil.getLong(request, "companyId");
051                    long groupId = ParamUtil.getLong(request, "groupId");
052                    long organizationId = ParamUtil.getLong(request, "organizationId");
053                    int status = WorkflowConstants.STATUS_APPROVED;
054                    int max = ParamUtil.getInteger(
055                            request, "max", SearchContainer.DEFAULT_DELTA);
056                    String type = ParamUtil.getString(
057                            request, "type", RSSUtil.FORMAT_DEFAULT);
058                    double version = ParamUtil.getDouble(
059                            request, "version", RSSUtil.VERSION_DEFAULT);
060                    String displayStyle = ParamUtil.getString(
061                            request, "displayStyle", RSSUtil.DISPLAY_STYLE_DEFAULT);
062    
063                    String feedURL =
064                            themeDisplay.getPortalURL() + themeDisplay.getPathMain() +
065                                    "/blogs/find_entry?";
066    
067                    String entryURL = feedURL;
068    
069                    String rss = StringPool.BLANK;
070    
071                    if (companyId > 0) {
072                            feedURL = StringPool.BLANK;
073    
074                            rss = BlogsEntryServiceUtil.getCompanyEntriesRSS(
075                                    companyId, new Date(), status, max, type, version, displayStyle,
076                                    feedURL, entryURL, themeDisplay);
077                    }
078                    else if (groupId > 0) {
079                            feedURL += "p_l_id=" + plid;
080    
081                            entryURL = feedURL;
082    
083                            rss = BlogsEntryServiceUtil.getGroupEntriesRSS(
084                                    groupId, new Date(), status, max, type, version, displayStyle,
085                                    feedURL, entryURL, themeDisplay);
086                    }
087                    else if (organizationId > 0) {
088                            feedURL = StringPool.BLANK;
089    
090                            rss = BlogsEntryServiceUtil.getOrganizationEntriesRSS(
091                                    organizationId, new Date(), status, max, type, version,
092                                    displayStyle, feedURL, entryURL, themeDisplay);
093                    }
094                    else if (layout != null) {
095                            groupId = themeDisplay.getScopeGroupId();
096    
097                            feedURL =
098                                    PortalUtil.getLayoutFullURL(themeDisplay) +
099                                            Portal.FRIENDLY_URL_SEPARATOR + "blogs/rss";
100    
101                            entryURL = feedURL;
102    
103                            rss = BlogsEntryServiceUtil.getGroupEntriesRSS(
104                                    groupId, new Date(), status, max, type, version, displayStyle,
105                                    feedURL, entryURL, themeDisplay);
106                    }
107    
108                    return rss.getBytes(StringPool.UTF8);
109            }
110    
111            @Override
112            protected boolean isRSSFeedsEnabled(PortletRequest portletRequest)
113                    throws Exception {
114    
115                    if (!super.isRSSFeedsEnabled(portletRequest)) {
116                            return false;
117                    }
118    
119                    PortletPreferences portletPreferences = portletRequest.getPreferences();
120    
121                    return GetterUtil.getBoolean(
122                            portletPreferences.getValue("enableRss", null), true);
123            }
124    
125    }