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.ContentTypes;
021 import com.liferay.portal.kernel.util.GetterUtil;
022 import com.liferay.portal.kernel.util.HtmlUtil;
023 import com.liferay.portal.kernel.util.Http;
024 import com.liferay.portal.kernel.util.StringBundler;
025 import com.liferay.portal.kernel.util.StringPool;
026 import com.liferay.portal.kernel.util.Validator;
027 import com.liferay.portal.model.Layout;
028 import com.liferay.portal.struts.PortletAction;
029 import com.liferay.portal.theme.PortletDisplay;
030 import com.liferay.portal.theme.ThemeDisplay;
031 import com.liferay.portal.util.Portal;
032 import com.liferay.portal.util.PortalUtil;
033 import com.liferay.portal.util.WebKeys;
034 import com.liferay.portlet.asset.AssetRendererFactoryRegistryUtil;
035 import com.liferay.portlet.asset.model.AssetEntry;
036 import com.liferay.portlet.asset.model.AssetRenderer;
037 import com.liferay.portlet.asset.model.AssetRendererFactory;
038 import com.liferay.portlet.asset.service.AssetEntryServiceUtil;
039 import com.liferay.portlet.asset.service.persistence.AssetEntryQuery;
040 import com.liferay.portlet.assetpublisher.util.AssetPublisherUtil;
041 import com.liferay.util.RSSUtil;
042
043 import com.sun.syndication.feed.synd.SyndContent;
044 import com.sun.syndication.feed.synd.SyndContentImpl;
045 import com.sun.syndication.feed.synd.SyndEntry;
046 import com.sun.syndication.feed.synd.SyndEntryImpl;
047 import com.sun.syndication.feed.synd.SyndFeed;
048 import com.sun.syndication.feed.synd.SyndFeedImpl;
049
050 import java.io.OutputStream;
051
052 import java.util.ArrayList;
053 import java.util.List;
054
055 import javax.portlet.PortletConfig;
056 import javax.portlet.PortletPreferences;
057 import javax.portlet.PortletRequest;
058 import javax.portlet.PortletResponse;
059 import javax.portlet.ResourceRequest;
060 import javax.portlet.ResourceResponse;
061
062 import org.apache.struts.action.ActionForm;
063 import org.apache.struts.action.ActionMapping;
064
065
069 public class RSSAction extends PortletAction {
070
071 @Override
072 public void serveResource(
073 ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
074 ResourceRequest resourceRequest, ResourceResponse resourceResponse)
075 throws Exception {
076
077 resourceResponse.setContentType(ContentTypes.TEXT_XML_UTF8);
078
079 OutputStream outputStream = resourceResponse.getPortletOutputStream();
080
081 try {
082 byte[] bytes = getRSS(resourceRequest, resourceResponse);
083
084 outputStream.write(bytes);
085 }
086 finally {
087 outputStream.close();
088 }
089 }
090
091 protected String exportToRSS(
092 PortletRequest portletRequest, PortletResponse portletResponse,
093 String name, String description, String type, double version,
094 String displayStyle, String linkBehavior,
095 List<AssetEntry> assetEntries)
096 throws Exception {
097
098 SyndFeed syndFeed = new SyndFeedImpl();
099
100 syndFeed.setFeedType(RSSUtil.getFeedType(type, version));
101 syndFeed.setTitle(name);
102 syndFeed.setLink(getFeedURL(portletRequest));
103 syndFeed.setDescription(GetterUtil.getString(description, name));
104
105 List<SyndEntry> syndEntries = new ArrayList<SyndEntry>();
106
107 syndFeed.setEntries(syndEntries);
108
109 for (AssetEntry assetEntry : assetEntries) {
110 String link = getEntryURL(
111 portletRequest, portletResponse, linkBehavior, assetEntry);
112
113 String author = HtmlUtil.escape(
114 PortalUtil.getUserName(
115 assetEntry.getUserId(), assetEntry.getUserName()));
116
117 String value = null;
118
119 String languageId = LanguageUtil.getLanguageId(portletRequest);
120
121 if (displayStyle.equals(RSSUtil.DISPLAY_STYLE_TITLE)) {
122 value = StringPool.BLANK;
123 }
124 else {
125 value = assetEntry.getSummary(languageId, true);
126 }
127
128 SyndEntry syndEntry = new SyndEntryImpl();
129
130 syndEntry.setAuthor(author);
131
132 syndEntry.setTitle(assetEntry.getTitle(languageId, true));
133
134 syndEntry.setLink(link);
135 syndEntry.setUri(syndEntry.getLink());
136 syndEntry.setPublishedDate(assetEntry.getCreateDate());
137 syndEntry.setUpdatedDate(assetEntry.getModifiedDate());
138
139 SyndContent syndContent = new SyndContentImpl();
140
141 syndContent.setType(RSSUtil.ENTRY_TYPE_DEFAULT);
142 syndContent.setValue(value);
143
144 syndEntry.setDescription(syndContent);
145
146 syndEntries.add(syndEntry);
147 }
148
149 return RSSUtil.export(syndFeed);
150 }
151
152 protected List<AssetEntry> getAssetEntries(
153 PortletRequest portletRequest, PortletPreferences preferences)
154 throws Exception {
155
156 ThemeDisplay themeDisplay = (ThemeDisplay)portletRequest.getAttribute(
157 WebKeys.THEME_DISPLAY);
158
159 AssetEntryQuery assetEntryQuery = AssetPublisherUtil.getAssetEntryQuery(
160 preferences, new long[] {themeDisplay.getScopeGroupId()});
161
162 boolean anyAssetType = GetterUtil.getBoolean(
163 preferences.getValue("anyAssetType", null), true);
164
165 if (!anyAssetType) {
166 long[] availableClassNameIds =
167 AssetRendererFactoryRegistryUtil.getClassNameIds();
168
169 long[] classNameIds = AssetPublisherUtil.getClassNameIds(
170 preferences, availableClassNameIds);
171
172 assetEntryQuery.setClassNameIds(classNameIds);
173 }
174
175 long[] classTypeIds = GetterUtil.getLongValues(
176 preferences.getValues("classTypeIds", null));
177
178 assetEntryQuery.setClassTypeIds(classTypeIds);
179
180 boolean enablePermissions = GetterUtil.getBoolean(
181 preferences.getValue("enablePermissions", null));
182
183 assetEntryQuery.setEnablePermissions(enablePermissions);
184
185 int rssDelta = GetterUtil.getInteger(
186 preferences.getValue("rssDelta", "20"));
187
188 assetEntryQuery.setEnd(rssDelta);
189
190 boolean excludeZeroViewCount = GetterUtil.getBoolean(
191 preferences.getValue("excludeZeroViewCount", null));
192
193 assetEntryQuery.setExcludeZeroViewCount(excludeZeroViewCount);
194
195 long[] groupIds = AssetPublisherUtil.getGroupIds(
196 preferences, themeDisplay.getScopeGroupId(),
197 themeDisplay.getLayout());
198
199 assetEntryQuery.setGroupIds(groupIds);
200
201 boolean showOnlyLayoutAssets = GetterUtil.getBoolean(
202 preferences.getValue("showOnlyLayoutAssets", null));
203
204 if (showOnlyLayoutAssets) {
205 assetEntryQuery.setLayout(themeDisplay.getLayout());
206 }
207
208 String orderByColumn1 = GetterUtil.getString(
209 preferences.getValue("orderByColumn1", "modifiedDate"));
210
211 assetEntryQuery.setOrderByCol1(orderByColumn1);
212
213 String orderByColumn2 = GetterUtil.getString(
214 preferences.getValue("orderByColumn2", "title"));
215
216 assetEntryQuery.setOrderByCol2(orderByColumn2);
217
218 String orderByType1 = GetterUtil.getString(
219 preferences.getValue("orderByType1", "DESC"));
220
221 assetEntryQuery.setOrderByType1(orderByType1);
222
223 String orderByType2 = GetterUtil.getString(
224 preferences.getValue("orderByType2", "ASC"));
225
226 assetEntryQuery.setOrderByType2(orderByType2);
227
228 assetEntryQuery.setStart(0);
229
230 return AssetEntryServiceUtil.getEntries(assetEntryQuery);
231 }
232
233 protected String getAssetPublisherURL(PortletRequest portletRequest)
234 throws Exception {
235
236 ThemeDisplay themeDisplay = (ThemeDisplay)portletRequest.getAttribute(
237 WebKeys.THEME_DISPLAY);
238
239 Layout layout = themeDisplay.getLayout();
240
241 PortletDisplay portletDisplay = themeDisplay.getPortletDisplay();
242
243 StringBundler sb = new StringBundler(7);
244
245 String layoutFriendlyURL = GetterUtil.getString(
246 PortalUtil.getLayoutFriendlyURL(layout, themeDisplay));
247
248 if (!layoutFriendlyURL.startsWith(Http.HTTP_WITH_SLASH) &&
249 !layoutFriendlyURL.startsWith(Http.HTTPS_WITH_SLASH)) {
250
251 sb.append(themeDisplay.getPortalURL());
252 }
253
254 sb.append(layoutFriendlyURL);
255 sb.append(Portal.FRIENDLY_URL_SEPARATOR);
256 sb.append("asset_publisher/");
257 sb.append(portletDisplay.getInstanceId());
258 sb.append(StringPool.SLASH);
259
260 return sb.toString();
261 }
262
263 protected String getEntryURL(
264 PortletRequest portletRequest, PortletResponse portletResponse,
265 String linkBehavior, AssetEntry assetEntry)
266 throws Exception {
267
268 if (linkBehavior.equals("viewInPortlet")) {
269 return getEntryURLViewInContext(
270 portletRequest, portletResponse, assetEntry);
271 }
272 else {
273 return getEntryURLAssetPublisher(
274 portletRequest, portletResponse, assetEntry);
275 }
276 }
277
278 protected String getEntryURLAssetPublisher(
279 PortletRequest portletRequest, PortletResponse portletResponse,
280 AssetEntry assetEntry)
281 throws Exception {
282
283 AssetRendererFactory assetRendererFactory =
284 AssetRendererFactoryRegistryUtil.getAssetRendererFactoryByClassName(
285 assetEntry.getClassName());
286
287 StringBundler sb = new StringBundler(4);
288
289 sb.append(getAssetPublisherURL(portletRequest));
290 sb.append(assetRendererFactory.getType());
291 sb.append("/id/");
292 sb.append(assetEntry.getEntryId());
293
294 return sb.toString();
295 }
296
297 protected String getEntryURLViewInContext(
298 PortletRequest portletRequest, PortletResponse portletResponse,
299 AssetEntry assetEntry)
300 throws Exception {
301
302 AssetRendererFactory assetRendererFactory =
303 AssetRendererFactoryRegistryUtil.getAssetRendererFactoryByClassName(
304 assetEntry.getClassName());
305
306 AssetRenderer assetRenderer = assetRendererFactory.getAssetRenderer(
307 assetEntry.getClassPK());
308
309 String viewInContextURL = assetRenderer.getURLViewInContext(
310 (LiferayPortletRequest)portletRequest,
311 (LiferayPortletResponse)portletResponse, null);
312
313 if (Validator.isNotNull(viewInContextURL) &&
314 !viewInContextURL.startsWith(Http.HTTP_WITH_SLASH) &&
315 !viewInContextURL.startsWith(Http.HTTPS_WITH_SLASH)) {
316
317 ThemeDisplay themeDisplay =
318 (ThemeDisplay)portletRequest.getAttribute(
319 WebKeys.THEME_DISPLAY);
320
321 viewInContextURL = themeDisplay.getPortalURL() + viewInContextURL;
322 }
323
324 return viewInContextURL;
325 }
326
327 protected String getFeedURL(PortletRequest portletRequest)
328 throws Exception {
329
330 String feedURL = getAssetPublisherURL(portletRequest);
331
332 return feedURL.concat("rss");
333 }
334
335 protected byte[] getRSS(
336 PortletRequest portletRequest, PortletResponse portletResponse)
337 throws Exception {
338
339 PortletPreferences preferences = portletRequest.getPreferences();
340
341 String selectionStyle = preferences.getValue(
342 "selectionStyle", "dynamic");
343
344 if (!selectionStyle.equals("dynamic")) {
345 return new byte[0];
346 }
347
348 String rssName = preferences.getValue("rssName", null);
349 String rssFormat = preferences.getValue("rssFormat", "atom10");
350 String rssDisplayStyle = preferences.getValue(
351 "rssDisplayStyle", RSSUtil.DISPLAY_STYLE_ABSTRACT);
352 String assetLinkBehavior = preferences.getValue(
353 "assetLinkBehavior", "showFullContent");
354
355 String rss = exportToRSS(
356 portletRequest, portletResponse, rssName, null,
357 RSSUtil.getFormatType(rssFormat),
358 RSSUtil.getFormatVersion(rssFormat), rssDisplayStyle,
359 assetLinkBehavior, getAssetEntries(portletRequest, preferences));
360
361 return rss.getBytes(StringPool.UTF8);
362 }
363
364 }