diff -r 9f0b95aafaa3 -r ed84c8bdd87b src/org/sonews/storage/Group.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/sonews/storage/Group.java	Sun Aug 29 17:28:58 2010 +0200
@@ -0,0 +1,184 @@
+/*
+ *   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;
+
+import java.sql.SQLException;
+import java.util.List;
+import org.sonews.util.Log;
+import org.sonews.util.Pair;
+
+/**
+ * Represents a logical Group within this newsserver.
+ * @author Christian Lins
+ * @since sonews/0.5.0
+ */
+// TODO: This class should not be public!
+public class Group extends Channel
+{
+  
+  private long   id     = 0;
+  private int    flags  = -1;
+  private String name   = null;
+
+  /**
+   * @return List of all groups this server handles.
+   */
+  public static List<Channel> getAll()
+  {
+    try
+    {
+      return StorageManager.current().getGroups();
+    }
+    catch(StorageBackendException ex)
+    {
+      Log.get().severe(ex.getMessage());
+      return null;
+    }
+  }
+  
+  /**
+   * @param name
+   * @param id
+   */
+  public Group(final String name, final long id, final int flags)
+  {
+    this.id    = id;
+    this.flags = flags;
+    this.name  = name;
+  }
+
+  @Override
+  public boolean equals(Object obj)
+  {
+    if(obj instanceof Group)
+    {
+      return ((Group)obj).id == this.id;
+    }
+    else
+    {
+      return false;
+    }
+  }
+
+  public Article getArticle(long idx)
+    throws StorageBackendException
+  {
+    return StorageManager.current().getArticle(idx, this.id);
+  }
+
+  public List<Pair<Long, ArticleHead>> getArticleHeads(final long first, final long last)
+    throws StorageBackendException
+  {
+    return StorageManager.current().getArticleHeads(this, first, last);
+  }
+  
+  public List<Long> getArticleNumbers()
+    throws StorageBackendException
+  {
+    return StorageManager.current().getArticleNumbers(id);
+  }
+
+  public long getFirstArticleNumber()
+    throws StorageBackendException
+  {
+    return StorageManager.current().getFirstArticleNumber(this);
+  }
+
+  public int getFlags()
+  {
+    return this.flags;
+  }
+
+  public long getIndexOf(Article art)
+    throws StorageBackendException
+  {
+    return StorageManager.current().getArticleIndex(art, this);
+  }
+
+  /**
+   * Returns the group id.
+   */
+  public long getInternalID()
+  {
+    assert id > 0;
+
+    return id;
+  }
+
+  public boolean isDeleted()
+  {
+    return (this.flags & DELETED) != 0;
+  }
+
+  public boolean isMailingList()
+  {
+    return (this.flags & MAILINGLIST) != 0;
+  }
+
+  public boolean isWriteable()
+  {
+    return true;
+  }
+
+  public long getLastArticleNumber()
+    throws StorageBackendException
+  {
+    return StorageManager.current().getLastArticleNumber(this);
+  }
+
+  public String getName()
+  {
+    return name;
+  }
+
+  /**
+   * Performs this.flags |= flag to set a specified flag and updates the data
+   * in the JDBCDatabase.
+   * @param flag
+   */
+  public void setFlag(final int flag)
+  {
+    this.flags |= flag;
+  }
+
+  public void setName(final String name)
+  {
+    this.name = name;
+  }
+
+  /**
+   * @return Number of posted articles in this group.
+   * @throws java.sql.SQLException
+   */
+  public long getPostingsCount()
+    throws StorageBackendException
+  {
+    return StorageManager.current().getPostingsCount(this.name);
+  }
+
+  /**
+   * Updates flags and name in the backend.
+   */
+  public void update()
+    throws StorageBackendException
+  {
+    StorageManager.current().update(this);
+  }
+
+}