diff -r d883d4ab7b9d -r 72950b29569e src/org/sonews/storage/impl/DrupalDatabase.java
--- a/src/org/sonews/storage/impl/DrupalDatabase.java	Sat Oct 08 23:32:18 2011 +0200
+++ b/src/org/sonews/storage/impl/DrupalDatabase.java	Sun Oct 09 00:00:25 2011 +0200
@@ -17,9 +17,176 @@
  */
 package org.sonews.storage.impl;
 
+import java.sql.SQLException;
+import java.util.List;
+import org.sonews.feed.Subscription;
+import org.sonews.storage.Article;
+import org.sonews.storage.ArticleHead;
+import org.sonews.storage.Group;
+import org.sonews.storage.Storage;
+import org.sonews.storage.StorageBackendException;
+import org.sonews.util.Pair;
+
 /**
  *
  * @author František Kučera (frantovo.cz)
  */
-public class DrupalDatabase extends JDBCDatabase {
+public class DrupalDatabase implements Storage {
+
+	/**
+	 * Rises the database: reconnect and recreate all prepared statements.
+	 * @throws java.lang.SQLException
+	 */
+	protected void arise() throws SQLException {
+	}
+
+	@Override
+	public void addArticle(Article art) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public void addEvent(long timestamp, int type, long groupID) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public void addGroup(String groupname, int flags) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public int countArticles() throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public int countGroups() throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public void delete(String messageID) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public Article getArticle(String messageID) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public Article getArticle(long articleIndex, long groupID) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public List<Pair<Long, ArticleHead>> getArticleHeads(Group group, long first, long last) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public List<Pair<Long, String>> getArticleHeaders(Group group, long start, long end, String header, String pattern) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public long getArticleIndex(Article art, Group group) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public List<Long> getArticleNumbers(long groupID) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public String getConfigValue(String key) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public int getEventsCount(int eventType, long startTimestamp, long endTimestamp, Group group) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public double getEventsPerHour(int key, long gid) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public int getFirstArticleNumber(Group group) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public Group getGroup(String name) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public List<Group> getGroups() throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public List<String> getGroupsForList(String listAddress) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public int getLastArticleNumber(Group group) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public List<String> getListsForGroup(String groupname) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public String getOldestArticle() throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public int getPostingsCount(String groupname) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public List<Subscription> getSubscriptions(int type) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public boolean isArticleExisting(String messageID) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public boolean isGroupExisting(String groupname) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public void purgeGroup(Group group) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public void setConfigValue(String key, String value) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public boolean update(Article article) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
+
+	@Override
+	public boolean update(Group group) throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
 }