c

core/src/main/java/org/b3log/solo/service/TagQueryService.java

@@ -33,7 +33,7 @@ import org.json.JSONObject;
  * Tag query service.
  *
  * @author <a href="mailto:DL88250@gmail.com">Liang Ding</a>
- * @version 1.0.0.2, Nov 11, 2011
+ * @version 1.0.0.3, Jun 28, 2012
  * @since 0.4.0
  */
 public final class TagQueryService {
@@ -41,8 +41,7 @@ public final class TagQueryService {
     /**
      * Logger.
      */
-    private static final Logger LOGGER =
-            Logger.getLogger(TagQueryService.class.getName());
+    private static final Logger LOGGER = Logger.getLogger(TagQueryService.class.getName());
     /**
      * Tag repository.
      */
@@ -65,8 +64,7 @@ public final class TagQueryService {
      * </pre>, returns {@code null} if not found
      * @throws ServiceException service exception
      */
-    public JSONObject getTagByTitle(final String tagTitle)
-            throws ServiceException {
+    public JSONObject getTagByTitle(final String tagTitle)            throws ServiceException {
         try {
             final JSONObject ret = new JSONObject();
 
@@ -87,6 +85,22 @@ public final class TagQueryService {
         }
     }
 
+    /**
+     * Gets the count of tags.
+     * 
+     * @return count of tags
+     * @throws ServiceException service exception
+     */
+    public long getTagCount() throws ServiceException {
+        try {
+            return tagRepository.count();
+        } catch (final RepositoryException e) {
+            LOGGER.log(Level.SEVERE, "Gets tags failed", e);
+
+            throw new ServiceException(e);
+        }
+    }
+
     /**
      * Gets all tags.
      *

core/src/main/java/org/b3log/solo/util/Articles.java

@@ -131,6 +131,27 @@ public final class Articles {
         return true;
     }
 
+    /**
+     * Gets time of the recent updated article.
+     * 
+     * @return time of the recent updated article, returns {@code 0} if not found
+     * @throws ServiceException service exception
+     */
+    public long getRecentArticleTime() throws ServiceException {
+        try {
+            final List<JSONObject> recentArticles = articleRepository.getRecentArticles(1);
+            if (recentArticles.isEmpty()) {
+                return 0;
+            }
+
+            final JSONObject recentArticle = recentArticles.get(0);
+            return ((Date) recentArticle.get(Article.ARTICLE_UPDATE_DATE)).getTime();
+        } catch (final Exception e) {
+            LOGGER.log(Level.SEVERE, e.getMessage(), e);
+            throw new ServiceException("Gets recent article time failed");
+        }
+    }
+
     /**
      * Gets the specified article's author. 
      *