diff -r 000000000000 -r 7d0e65712a95 src/org/sonews/storage/impl/HSQLDB.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/sonews/storage/impl/HSQLDB.java	Tue Jun 07 09:23:34 2011 +0200
@@ -0,0 +1,157 @@
+/*
+ *   SONEWS News Server
+ *   see AUTHORS for the list of contributors
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.sonews.storage.impl;
+
+import java.util.List;
+import org.sonews.feed.Subscription;
+import org.sonews.storage.Article;
+import org.sonews.storage.ArticleHead;
+import org.sonews.storage.Channel;
+import org.sonews.storage.Group;
+import org.sonews.storage.Storage;
+import org.sonews.storage.StorageBackendException;
+import org.sonews.util.Pair;
+
+/**
+ *
+ * @author Christian Lins
+ * @since sonews/1.1
+ */
+public class HSQLDB implements Storage {
+
+	public void addArticle(Article art) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public void addEvent(long timestamp, int type, long groupID) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public void addGroup(String groupname, int flags) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public int countArticles() throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public int countGroups() throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public void delete(String messageID) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public Article getArticle(String messageID) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public Article getArticle(long articleIndex, long groupID) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public List<Pair<Long, String>> getArticleHeaders(Channel channel, long start, long end, String header, String pattern) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public List<Pair<Long, ArticleHead>> getArticleHeads(Group group, long first, long last) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public long getArticleIndex(Article art, Group group) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public List<Long> getArticleNumbers(long groupID) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public String getConfigValue(String key) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public int getEventsCount(int eventType, long startTimestamp, long endTimestamp, Channel channel) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public double getEventsPerHour(int key, long gid) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public int getFirstArticleNumber(Group group) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public Group getGroup(String name) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public List<Channel> getGroups() throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public List<String> getGroupsForList(String listAddress) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public int getLastArticleNumber(Group group) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public List<String> getListsForGroup(String groupname) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public String getOldestArticle() throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public int getPostingsCount(String groupname) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public List<Subscription> getSubscriptions(int type) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public boolean isArticleExisting(String messageID) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public boolean isGroupExisting(String groupname) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public void purgeGroup(Group group) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public void setConfigValue(String key, String value) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public boolean update(Article article) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+	public boolean update(Group group) throws StorageBackendException {
+		throw new UnsupportedOperationException("Not supported yet.");
+	}
+
+}