001
014
015 package com.liferay.portlet.assetpublisher.action;
016
017 import com.liferay.portal.kernel.language.LanguageUtil;
018 import com.liferay.portal.kernel.portlet.LiferayPortletRequest;
019 import com.liferay.portal.kernel.portlet.LiferayPortletResponse;
020 import com.liferay.portal.kernel.util.GetterUtil;
021 import com.liferay.portal.kernel.util.Http;
022 import com.liferay.portal.kernel.util.StringBundler;
023 import com.liferay.portal.kernel.util.StringPool;
024 import com.liferay.portal.kernel.util.Validator;
025 import com.liferay.portal.model.Layout;
026 import com.liferay.portal.theme.PortletDisplay;
027 import com.liferay.portal.theme.ThemeDisplay;
028 import com.liferay.portal.util.Portal;
029 import com.liferay.portal.util.PortalUtil;
030 import com.liferay.portal.util.WebKeys;
031 import com.liferay.portlet.asset.AssetRendererFactoryRegistryUtil;
032 import com.liferay.portlet.asset.model.AssetEntry;
033 import com.liferay.portlet.asset.model.AssetRenderer;
034 import com.liferay.portlet.asset.model.AssetRendererFactory;
035 import com.liferay.portlet.assetpublisher.util.AssetPublisherUtil;
036 import com.liferay.util.RSSUtil;
037
038 import com.sun.syndication.feed.synd.SyndContent;
039 import com.sun.syndication.feed.synd.SyndContentImpl;
040 import com.sun.syndication.feed.synd.SyndEntry;
041 import com.sun.syndication.feed.synd.SyndEntryImpl;
042 import com.sun.syndication.feed.synd.SyndFeed;
043 import com.sun.syndication.feed.synd.SyndFeedImpl;
044 import com.sun.syndication.feed.synd.SyndLink;
045 import com.sun.syndication.feed.synd.SyndLinkImpl;
046
047 import java.util.ArrayList;
048 import java.util.Date;
049 import java.util.List;
050
051 import javax.portlet.PortletPreferences;
052 import javax.portlet.PortletRequest;
053 import javax.portlet.PortletResponse;
054 import javax.portlet.ResourceRequest;
055 import javax.portlet.ResourceResponse;
056
057
061 public class RSSAction extends com.liferay.portal.struts.RSSAction {
062
063 protected String exportToRSS(
064 PortletRequest portletRequest, PortletResponse portletResponse,
065 String name, String description, String format, double version,
066 String displayStyle, String linkBehavior,
067 List<AssetEntry> assetEntries)
068 throws Exception {
069
070 ThemeDisplay themeDisplay = (ThemeDisplay)portletRequest.getAttribute(
071 WebKeys.THEME_DISPLAY);
072
073 SyndFeed syndFeed = new SyndFeedImpl();
074
075 syndFeed.setDescription(GetterUtil.getString(description, name));
076
077 List<SyndEntry> syndEntries = new ArrayList<SyndEntry>();
078
079 syndFeed.setEntries(syndEntries);
080
081 for (AssetEntry assetEntry : assetEntries) {
082 String link = getEntryURL(
083 portletRequest, portletResponse, linkBehavior, assetEntry);
084
085 if (Validator.isBlank(link)) {
086 continue;
087 }
088
089 SyndEntry syndEntry = new SyndEntryImpl();
090
091 syndEntry.setLink(link);
092
093 String author = PortalUtil.getUserName(assetEntry);
094
095 syndEntry.setAuthor(author);
096
097 SyndContent syndContent = new SyndContentImpl();
098
099 syndContent.setType(RSSUtil.ENTRY_TYPE_DEFAULT);
100
101 String value = null;
102
103 String languageId = LanguageUtil.getLanguageId(portletRequest);
104
105 if (displayStyle.equals(RSSUtil.DISPLAY_STYLE_TITLE)) {
106 value = StringPool.BLANK;
107 }
108 else {
109 value = assetEntry.getSummary(languageId, true);
110 }
111
112 syndContent.setValue(value);
113
114 syndEntry.setDescription(syndContent);
115
116 syndEntry.setPublishedDate(assetEntry.getPublishDate());
117 syndEntry.setTitle(assetEntry.getTitle(languageId, true));
118 syndEntry.setUpdatedDate(assetEntry.getModifiedDate());
119 syndEntry.setUri(syndEntry.getLink());
120
121 syndEntries.add(syndEntry);
122 }
123
124 syndFeed.setFeedType(RSSUtil.getFeedType(format, version));
125
126 List<SyndLink> syndLinks = new ArrayList<SyndLink>();
127
128 syndFeed.setLinks(syndLinks);
129
130 SyndLink selfSyndLink = new SyndLinkImpl();
131
132 syndLinks.add(selfSyndLink);
133
134 String feedURL = getFeedURL(portletRequest);
135
136 selfSyndLink.setHref(feedURL);
137
138 selfSyndLink.setRel("self");
139
140 SyndLink alternateSyndLink = new SyndLinkImpl();
141
142 syndLinks.add(alternateSyndLink);
143
144 alternateSyndLink.setHref(PortalUtil.getLayoutFullURL(themeDisplay));
145 alternateSyndLink.setRel("alternate");
146
147 syndFeed.setPublishedDate(new Date());
148 syndFeed.setTitle(name);
149 syndFeed.setUri(feedURL);
150
151 return RSSUtil.export(syndFeed);
152 }
153
154 protected List<AssetEntry> getAssetEntries(
155 PortletRequest portletRequest,
156 PortletPreferences portletPreferences)
157 throws Exception {
158
159 ThemeDisplay themeDisplay = (ThemeDisplay)portletRequest.getAttribute(
160 WebKeys.THEME_DISPLAY);
161
162 int rssDelta = GetterUtil.getInteger(
163 portletPreferences.getValue("rssDelta", "20"));
164
165 return AssetPublisherUtil.getAssetEntries(
166 portletPreferences, themeDisplay.getLayout(),
167 themeDisplay.getScopeGroupId(), rssDelta, true);
168 }
169
170 protected String getAssetPublisherURL(PortletRequest portletRequest)
171 throws Exception {
172
173 ThemeDisplay themeDisplay = (ThemeDisplay)portletRequest.getAttribute(
174 WebKeys.THEME_DISPLAY);
175
176 Layout layout = themeDisplay.getLayout();
177
178 PortletDisplay portletDisplay = themeDisplay.getPortletDisplay();
179
180 StringBundler sb = new StringBundler(7);
181
182 String layoutFriendlyURL = GetterUtil.getString(
183 PortalUtil.getLayoutFriendlyURL(layout, themeDisplay));
184
185 if (!layoutFriendlyURL.startsWith(Http.HTTP_WITH_SLASH) &&
186 !layoutFriendlyURL.startsWith(Http.HTTPS_WITH_SLASH)) {
187
188 sb.append(themeDisplay.getPortalURL());
189 }
190
191 sb.append(layoutFriendlyURL);
192 sb.append(Portal.FRIENDLY_URL_SEPARATOR);
193 sb.append("asset_publisher/");
194 sb.append(portletDisplay.getInstanceId());
195 sb.append(StringPool.SLASH);
196
197 return sb.toString();
198 }
199
200 protected String getEntryURL(
201 PortletRequest portletRequest, PortletResponse portletResponse,
202 String linkBehavior, AssetEntry assetEntry)
203 throws Exception {
204
205 if (linkBehavior.equals("viewInPortlet")) {
206 return getEntryURLViewInContext(
207 portletRequest, portletResponse, assetEntry);
208 }
209 else {
210 return getEntryURLAssetPublisher(
211 portletRequest, portletResponse, assetEntry);
212 }
213 }
214
215 protected String getEntryURLAssetPublisher(
216 PortletRequest portletRequest, PortletResponse portletResponse,
217 AssetEntry assetEntry)
218 throws Exception {
219
220 AssetRendererFactory assetRendererFactory =
221 AssetRendererFactoryRegistryUtil.getAssetRendererFactoryByClassName(
222 assetEntry.getClassName());
223
224 if (assetRendererFactory == null) {
225 return StringPool.BLANK;
226 }
227
228 StringBundler sb = new StringBundler(4);
229
230 sb.append(getAssetPublisherURL(portletRequest));
231 sb.append(assetRendererFactory.getType());
232 sb.append("/id/");
233 sb.append(assetEntry.getEntryId());
234
235 return sb.toString();
236 }
237
238 protected String getEntryURLViewInContext(
239 PortletRequest portletRequest, PortletResponse portletResponse,
240 AssetEntry assetEntry)
241 throws Exception {
242
243 AssetRendererFactory assetRendererFactory =
244 AssetRendererFactoryRegistryUtil.getAssetRendererFactoryByClassName(
245 assetEntry.getClassName());
246
247 if (assetRendererFactory == null) {
248 return StringPool.BLANK;
249 }
250
251 AssetRenderer assetRenderer = assetRendererFactory.getAssetRenderer(
252 assetEntry.getClassPK());
253
254 String viewInContextURL = assetRenderer.getURLViewInContext(
255 (LiferayPortletRequest)portletRequest,
256 (LiferayPortletResponse)portletResponse, null);
257
258 if (Validator.isNotNull(viewInContextURL) &&
259 !viewInContextURL.startsWith(Http.HTTP_WITH_SLASH) &&
260 !viewInContextURL.startsWith(Http.HTTPS_WITH_SLASH)) {
261
262 ThemeDisplay themeDisplay =
263 (ThemeDisplay)portletRequest.getAttribute(
264 WebKeys.THEME_DISPLAY);
265
266 viewInContextURL = themeDisplay.getPortalURL() + viewInContextURL;
267 }
268
269 return viewInContextURL;
270 }
271
272 protected String getFeedURL(PortletRequest portletRequest)
273 throws Exception {
274
275 String feedURL = getAssetPublisherURL(portletRequest);
276
277 return feedURL.concat("rss");
278 }
279
280 @Override
281 protected byte[] getRSS(
282 ResourceRequest portletRequest, ResourceResponse portletResponse)
283 throws Exception {
284
285 PortletPreferences portletPreferences = portletRequest.getPreferences();
286
287 String selectionStyle = portletPreferences.getValue(
288 "selectionStyle", "dynamic");
289
290 if (!selectionStyle.equals("dynamic")) {
291 return new byte[0];
292 }
293
294 String assetLinkBehavior = portletPreferences.getValue(
295 "assetLinkBehavior", "showFullContent");
296 String rssDisplayStyle = portletPreferences.getValue(
297 "rssDisplayStyle", RSSUtil.DISPLAY_STYLE_ABSTRACT);
298 String rssFeedType = portletPreferences.getValue(
299 "rssFeedType", RSSUtil.FEED_TYPE_DEFAULT);
300 String rssName = portletPreferences.getValue("rssName", null);
301
302 String format = RSSUtil.getFeedTypeFormat(rssFeedType);
303 double version = RSSUtil.getFeedTypeVersion(rssFeedType);
304
305 String rss = exportToRSS(
306 portletRequest, portletResponse, rssName, null, format, version,
307 rssDisplayStyle, assetLinkBehavior,
308 getAssetEntries(portletRequest, portletPreferences));
309
310 return rss.getBytes(StringPool.UTF8);
311 }
312
313 @Override
314 protected boolean isRSSFeedsEnabled(PortletRequest portletRequest)
315 throws Exception {
316
317 if (!super.isRSSFeedsEnabled(portletRequest)) {
318 return false;
319 }
320
321 PortletPreferences portletPreferences = portletRequest.getPreferences();
322
323 return GetterUtil.getBoolean(
324 portletPreferences.getValue("enableRss", null));
325 }
326
327 }