001
014
015 package com.liferay.portlet.blogs.action;
016
017 import com.liferay.portal.kernel.dao.search.SearchContainer;
018 import com.liferay.portal.kernel.servlet.ServletResponseUtil;
019 import com.liferay.portal.kernel.util.ContentTypes;
020 import com.liferay.portal.kernel.util.ParamUtil;
021 import com.liferay.portal.kernel.util.StringPool;
022 import com.liferay.portal.kernel.workflow.WorkflowConstants;
023 import com.liferay.portal.model.Layout;
024 import com.liferay.portal.struts.PortletAction;
025 import com.liferay.portal.theme.ThemeDisplay;
026 import com.liferay.portal.util.Portal;
027 import com.liferay.portal.util.PortalUtil;
028 import com.liferay.portal.util.WebKeys;
029 import com.liferay.portlet.blogs.service.BlogsEntryServiceUtil;
030 import com.liferay.util.RSSUtil;
031
032 import java.io.OutputStream;
033
034 import javax.portlet.PortletConfig;
035 import javax.portlet.ResourceRequest;
036 import javax.portlet.ResourceResponse;
037
038 import javax.servlet.http.HttpServletRequest;
039 import javax.servlet.http.HttpServletResponse;
040
041 import org.apache.struts.action.ActionForm;
042 import org.apache.struts.action.ActionForward;
043 import org.apache.struts.action.ActionMapping;
044
045
048 public class RSSAction extends PortletAction {
049
050 @Override
051 public void serveResource(
052 ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
053 ResourceRequest resourceRequest, ResourceResponse resourceResponse)
054 throws Exception {
055
056 resourceResponse.setContentType(ContentTypes.TEXT_XML_UTF8);
057
058 OutputStream outputStream = resourceResponse.getPortletOutputStream();
059
060 try {
061 byte[] bytes = getRSS(resourceRequest);
062
063 outputStream.write(bytes);
064 }
065 finally {
066 outputStream.close();
067 }
068 }
069
070 @Override
071 public ActionForward strutsExecute(
072 ActionMapping mapping, ActionForm form, HttpServletRequest request,
073 HttpServletResponse response)
074 throws Exception {
075
076 try {
077 ServletResponseUtil.sendFile(
078 request, response, null, getRSS(request),
079 ContentTypes.TEXT_XML_UTF8);
080
081 return null;
082 }
083 catch (Exception e) {
084 PortalUtil.sendError(e, request, response);
085
086 return null;
087 }
088 }
089
090 protected byte[] getRSS(HttpServletRequest request) throws Exception {
091 ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
092 WebKeys.THEME_DISPLAY);
093
094 Layout layout = themeDisplay.getLayout();
095
096 long plid = ParamUtil.getLong(request, "p_l_id");
097 long companyId = ParamUtil.getLong(request, "companyId");
098 long groupId = ParamUtil.getLong(request, "groupId");
099 long organizationId = ParamUtil.getLong(request, "organizationId");
100 int status = WorkflowConstants.STATUS_APPROVED;
101 int max = ParamUtil.getInteger(
102 request, "max", SearchContainer.DEFAULT_DELTA);
103 String type = ParamUtil.getString(
104 request, "type", RSSUtil.TYPE_DEFAULT);
105 double version = ParamUtil.getDouble(
106 request, "version", RSSUtil.VERSION_DEFAULT);
107 String displayStyle = ParamUtil.getString(
108 request, "displayStyle", RSSUtil.DISPLAY_STYLE_FULL_CONTENT);
109
110 String feedURL =
111 themeDisplay.getPortalURL() + themeDisplay.getPathMain() +
112 "/blogs/find_entry?";
113
114 String entryURL = feedURL;
115
116 String rss = StringPool.BLANK;
117
118 if (companyId > 0) {
119 feedURL = StringPool.BLANK;
120
121 rss = BlogsEntryServiceUtil.getCompanyEntriesRSS(
122 companyId, status, max, type, version, displayStyle, feedURL,
123 entryURL, themeDisplay);
124 }
125 else if (groupId > 0) {
126 feedURL += "p_l_id=" + plid;
127
128 entryURL = feedURL;
129
130 rss = BlogsEntryServiceUtil.getGroupEntriesRSS(
131 groupId, status, max, type, version, displayStyle, feedURL,
132 entryURL, themeDisplay);
133 }
134 else if (organizationId > 0) {
135 feedURL = StringPool.BLANK;
136
137 rss = BlogsEntryServiceUtil.getOrganizationEntriesRSS(
138 organizationId, status, max, type, version, displayStyle,
139 feedURL, entryURL, themeDisplay);
140 }
141 else if (layout != null) {
142 groupId = themeDisplay.getScopeGroupId();
143
144 feedURL =
145 PortalUtil.getLayoutFullURL(themeDisplay) +
146 Portal.FRIENDLY_URL_SEPARATOR + "blogs/rss";
147
148 entryURL = feedURL;
149
150 rss = BlogsEntryServiceUtil.getGroupEntriesRSS(
151 groupId, status, max, type, version, displayStyle, feedURL,
152 entryURL, themeDisplay);
153 }
154
155 return rss.getBytes(StringPool.UTF8);
156 }
157
158 protected byte[] getRSS(ResourceRequest resourceRequest) throws Exception {
159 HttpServletRequest request = PortalUtil.getHttpServletRequest(
160 resourceRequest);
161
162 return getRSS(request);
163 }
164
165 @Override
166 protected boolean isCheckMethodOnProcessAction() {
167 return _CHECK_METHOD_ON_PROCESS_ACTION;
168 }
169
170 private static final boolean _CHECK_METHOD_ON_PROCESS_ACTION = false;
171
172 }