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 SyndFeed syndFeed = new SyndFeedImpl();
071
072 syndFeed.setDescription(GetterUtil.getString(description, name));
073
074 List<SyndEntry> syndEntries = new ArrayList<SyndEntry>();
075
076 syndFeed.setEntries(syndEntries);
077
078 for (AssetEntry assetEntry : assetEntries) {
079 SyndEntry syndEntry = new SyndEntryImpl();
080
081 String author = PortalUtil.getUserName(assetEntry);
082
083 syndEntry.setAuthor(author);
084
085 SyndContent syndContent = new SyndContentImpl();
086
087 syndContent.setType(RSSUtil.ENTRY_TYPE_DEFAULT);
088
089 String value = null;
090
091 String languageId = LanguageUtil.getLanguageId(portletRequest);
092
093 if (displayStyle.equals(RSSUtil.DISPLAY_STYLE_TITLE)) {
094 value = StringPool.BLANK;
095 }
096 else {
097 value = assetEntry.getSummary(languageId, true);
098 }
099
100 syndContent.setValue(value);
101
102 syndEntry.setDescription(syndContent);
103
104 String link = getEntryURL(
105 portletRequest, portletResponse, linkBehavior, assetEntry);
106
107 syndEntry.setLink(link);
108
109 syndEntry.setPublishedDate(assetEntry.getPublishDate());
110 syndEntry.setTitle(assetEntry.getTitle(languageId, true));
111 syndEntry.setUpdatedDate(assetEntry.getModifiedDate());
112 syndEntry.setUri(syndEntry.getLink());
113
114 syndEntries.add(syndEntry);
115 }
116
117 syndFeed.setFeedType(RSSUtil.getFeedType(format, version));
118
119 List<SyndLink> syndLinks = new ArrayList<SyndLink>();
120
121 syndFeed.setLinks(syndLinks);
122
123 SyndLink selfSyndLink = new SyndLinkImpl();
124
125 syndLinks.add(selfSyndLink);
126
127 String feedURL = getFeedURL(portletRequest);
128
129 selfSyndLink.setHref(feedURL);
130
131 selfSyndLink.setRel("self");
132
133 syndFeed.setPublishedDate(new Date());
134 syndFeed.setTitle(name);
135 syndFeed.setUri(feedURL);
136
137 return RSSUtil.export(syndFeed);
138 }
139
140 protected List<AssetEntry> getAssetEntries(
141 PortletRequest portletRequest, PortletPreferences preferences)
142 throws Exception {
143
144 ThemeDisplay themeDisplay = (ThemeDisplay)portletRequest.getAttribute(
145 WebKeys.THEME_DISPLAY);
146
147 int rssDelta = GetterUtil.getInteger(
148 preferences.getValue("rssDelta", "20"));
149
150 return AssetPublisherUtil.getAssetEntries(
151 preferences, themeDisplay.getLayout(),
152 themeDisplay.getScopeGroupId(), rssDelta, true);
153 }
154
155 protected String getAssetPublisherURL(PortletRequest portletRequest)
156 throws Exception {
157
158 ThemeDisplay themeDisplay = (ThemeDisplay)portletRequest.getAttribute(
159 WebKeys.THEME_DISPLAY);
160
161 Layout layout = themeDisplay.getLayout();
162
163 PortletDisplay portletDisplay = themeDisplay.getPortletDisplay();
164
165 StringBundler sb = new StringBundler(7);
166
167 String layoutFriendlyURL = GetterUtil.getString(
168 PortalUtil.getLayoutFriendlyURL(layout, themeDisplay));
169
170 if (!layoutFriendlyURL.startsWith(Http.HTTP_WITH_SLASH) &&
171 !layoutFriendlyURL.startsWith(Http.HTTPS_WITH_SLASH)) {
172
173 sb.append(themeDisplay.getPortalURL());
174 }
175
176 sb.append(layoutFriendlyURL);
177 sb.append(Portal.FRIENDLY_URL_SEPARATOR);
178 sb.append("asset_publisher/");
179 sb.append(portletDisplay.getInstanceId());
180 sb.append(StringPool.SLASH);
181
182 return sb.toString();
183 }
184
185 protected String getEntryURL(
186 PortletRequest portletRequest, PortletResponse portletResponse,
187 String linkBehavior, AssetEntry assetEntry)
188 throws Exception {
189
190 if (linkBehavior.equals("viewInPortlet")) {
191 return getEntryURLViewInContext(
192 portletRequest, portletResponse, assetEntry);
193 }
194 else {
195 return getEntryURLAssetPublisher(
196 portletRequest, portletResponse, assetEntry);
197 }
198 }
199
200 protected String getEntryURLAssetPublisher(
201 PortletRequest portletRequest, PortletResponse portletResponse,
202 AssetEntry assetEntry)
203 throws Exception {
204
205 AssetRendererFactory assetRendererFactory =
206 AssetRendererFactoryRegistryUtil.getAssetRendererFactoryByClassName(
207 assetEntry.getClassName());
208
209 StringBundler sb = new StringBundler(4);
210
211 sb.append(getAssetPublisherURL(portletRequest));
212 sb.append(assetRendererFactory.getType());
213 sb.append("/id/");
214 sb.append(assetEntry.getEntryId());
215
216 return sb.toString();
217 }
218
219 protected String getEntryURLViewInContext(
220 PortletRequest portletRequest, PortletResponse portletResponse,
221 AssetEntry assetEntry)
222 throws Exception {
223
224 AssetRendererFactory assetRendererFactory =
225 AssetRendererFactoryRegistryUtil.getAssetRendererFactoryByClassName(
226 assetEntry.getClassName());
227
228 AssetRenderer assetRenderer = assetRendererFactory.getAssetRenderer(
229 assetEntry.getClassPK());
230
231 String viewInContextURL = assetRenderer.getURLViewInContext(
232 (LiferayPortletRequest)portletRequest,
233 (LiferayPortletResponse)portletResponse, null);
234
235 if (Validator.isNotNull(viewInContextURL) &&
236 !viewInContextURL.startsWith(Http.HTTP_WITH_SLASH) &&
237 !viewInContextURL.startsWith(Http.HTTPS_WITH_SLASH)) {
238
239 ThemeDisplay themeDisplay =
240 (ThemeDisplay)portletRequest.getAttribute(
241 WebKeys.THEME_DISPLAY);
242
243 viewInContextURL = themeDisplay.getPortalURL() + viewInContextURL;
244 }
245
246 return viewInContextURL;
247 }
248
249 protected String getFeedURL(PortletRequest portletRequest)
250 throws Exception {
251
252 String feedURL = getAssetPublisherURL(portletRequest);
253
254 return feedURL.concat("rss");
255 }
256
257 @Override
258 protected byte[] getRSS(
259 ResourceRequest portletRequest, ResourceResponse portletResponse)
260 throws Exception {
261
262 PortletPreferences preferences = portletRequest.getPreferences();
263
264 String selectionStyle = preferences.getValue(
265 "selectionStyle", "dynamic");
266
267 if (!selectionStyle.equals("dynamic")) {
268 return new byte[0];
269 }
270
271 String assetLinkBehavior = preferences.getValue(
272 "assetLinkBehavior", "showFullContent");
273 String rssDisplayStyle = preferences.getValue(
274 "rssDisplayStyle", RSSUtil.DISPLAY_STYLE_ABSTRACT);
275 String rssFeedType = preferences.getValue(
276 "rssFeedType", RSSUtil.FEED_TYPE_DEFAULT);
277 String rssName = preferences.getValue("rssName", null);
278
279 String format = RSSUtil.getFeedTypeFormat(rssFeedType);
280 double version = RSSUtil.getFeedTypeVersion(rssFeedType);
281
282 String rss = exportToRSS(
283 portletRequest, portletResponse, rssName, null, format, version,
284 rssDisplayStyle, assetLinkBehavior,
285 getAssetEntries(portletRequest, preferences));
286
287 return rss.getBytes(StringPool.UTF8);
288 }
289
290 }