001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
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.ContentTypes;
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.struts.PortletAction;
024    import com.liferay.portal.theme.ThemeDisplay;
025    import com.liferay.portal.util.Portal;
026    import com.liferay.portal.util.PortalUtil;
027    import com.liferay.portal.util.WebKeys;
028    import com.liferay.portlet.blogs.service.BlogsEntryServiceUtil;
029    import com.liferay.util.RSSUtil;
030    
031    import java.io.OutputStream;
032    
033    import javax.portlet.PortletConfig;
034    import javax.portlet.ResourceRequest;
035    import javax.portlet.ResourceResponse;
036    
037    import org.apache.struts.action.ActionForm;
038    import org.apache.struts.action.ActionMapping;
039    
040    /**
041     * @author Brian Wing Shun Chan
042     */
043    public class RSSAction extends PortletAction {
044    
045            public void serveResource(
046                            ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
047                            ResourceRequest resourceRequest, ResourceResponse resourceResponse)
048                    throws Exception {
049    
050                    resourceResponse.setContentType(ContentTypes.TEXT_XML_UTF8);
051    
052                    OutputStream outputStream = resourceResponse.getPortletOutputStream();
053    
054                    try {
055                            outputStream.write(getRSS(resourceRequest));
056                    }
057                    finally {
058                            outputStream.close();
059                    }
060            }
061    
062            protected byte[] getRSS(ResourceRequest resourceRequest) throws Exception {
063                    ThemeDisplay themeDisplay = (ThemeDisplay)resourceRequest.getAttribute(
064                            WebKeys.THEME_DISPLAY);
065    
066                    Layout layout = themeDisplay.getLayout();
067    
068                    long plid = ParamUtil.getLong(resourceRequest, "p_l_id");
069                    long companyId = ParamUtil.getLong(resourceRequest, "companyId");
070                    long groupId = ParamUtil.getLong(resourceRequest, "groupId");
071                    long organizationId = ParamUtil.getLong(
072                            resourceRequest, "organizationId");
073                    int status = WorkflowConstants.STATUS_APPROVED;
074                    int max = ParamUtil.getInteger(
075                            resourceRequest, "max", SearchContainer.DEFAULT_DELTA);
076                    String type = ParamUtil.getString(
077                            resourceRequest, "type", RSSUtil.DEFAULT_TYPE);
078                    double version = ParamUtil.getDouble(
079                            resourceRequest, "version", RSSUtil.DEFAULT_VERSION);
080                    String displayStyle = ParamUtil.getString(
081                            resourceRequest, "displayStyle",
082                            RSSUtil.DISPLAY_STYLE_FULL_CONTENT);
083    
084                    String feedURL =
085                            themeDisplay.getPortalURL() + themeDisplay.getPathMain() +
086                                    "/blogs/find_entry?";
087    
088                    String entryURL = feedURL;
089    
090                    String rss = StringPool.BLANK;
091    
092                    if (companyId > 0) {
093                            feedURL = StringPool.BLANK;
094    
095                            rss = BlogsEntryServiceUtil.getCompanyEntriesRSS(
096                                    companyId, status, max, type, version, displayStyle, feedURL,
097                                    entryURL, themeDisplay);
098                    }
099                    else if (groupId > 0) {
100                            feedURL += "p_l_id=" + plid;
101    
102                            entryURL = feedURL;
103    
104                            rss = BlogsEntryServiceUtil.getGroupEntriesRSS(
105                                    groupId, status, max, type, version, displayStyle, feedURL,
106                                    entryURL, themeDisplay);
107                    }
108                    else if (organizationId > 0) {
109                            feedURL = StringPool.BLANK;
110    
111                            rss = BlogsEntryServiceUtil.getOrganizationEntriesRSS(
112                                    organizationId, status, max, type, version, displayStyle,
113                                    feedURL, entryURL, themeDisplay);
114                    }
115                    else if (layout != null) {
116                            groupId = themeDisplay.getScopeGroupId();
117    
118                            feedURL =
119                                    PortalUtil.getLayoutFullURL(themeDisplay) +
120                                            Portal.FRIENDLY_URL_SEPARATOR + "blogs/rss";
121    
122                            entryURL = feedURL;
123    
124                            rss = BlogsEntryServiceUtil.getGroupEntriesRSS(
125                                    groupId, status, max, type, version, displayStyle, feedURL,
126                                    entryURL, themeDisplay);
127                    }
128    
129                    return rss.getBytes(StringPool.UTF8);
130            }
131    
132            protected boolean isCheckMethodOnProcessAction() {
133                    return _CHECK_METHOD_ON_PROCESS_ACTION;
134            }
135    
136            private static final boolean _CHECK_METHOD_ON_PROCESS_ACTION = false;
137    
138    }