Added #updateMember to be able to update the privileges of a group user. JM-254

git-svn-id: http://svn.igniterealtime.org/svn/repos/messenger/trunk@1236 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/messenger/group/DefaultGroupProvider.java

@@ -57,6 +57,8 @@ public class DefaultGroupProvider implements GroupProvider {
         "DELETE FROM jiveGroupUser WHERE groupName=? AND username=?";
     private static final String ADD_USER =
         "INSERT INTO jiveGroupUser (groupName, username, administrator) VALUES (?, ?, ?)";
+    private static final String UPDATE_USER =
+        "UPDATE jiveGroupUser SET administrator=? WHERE groupName=? AND username=?";
     private static final String USER_GROUPS =
         "SELECT groupName FROM jiveGroupUser WHERE username=?";
     private static final String ALL_GROUPS = "SELECT groupName FROM jiveGroup ORDER BY groupName";
@@ -362,6 +364,28 @@ public class DefaultGroupProvider implements GroupProvider {
         }
     }
 
+    public void updateMember(String groupName, String username, boolean administrator) {
+        Connection con = null;
+        PreparedStatement pstmt = null;
+        try {
+            con = DbConnectionManager.getConnection();
+            pstmt = con.prepareStatement(UPDATE_USER);
+            pstmt.setInt(1, administrator ? 1 : 0);
+            pstmt.setString(2, groupName);
+            pstmt.setString(3, username);
+            pstmt.executeUpdate();
+        }
+        catch (SQLException e) {
+            Log.error(e);
+        }
+        finally {
+            try { if (pstmt != null) pstmt.close(); }
+            catch (Exception e) { Log.error(e); }
+            try { if (con != null) con.close(); }
+            catch (Exception e) { Log.error(e); }
+        }
+    }
+
     public void deleteMember(String groupName, String username) {
         Connection con = null;
         PreparedStatement pstmt = null;

src/java/org/jivesoftware/messenger/group/GroupProvider.java

@@ -132,6 +132,18 @@ public interface GroupProvider {
     void addMember(String groupName, String username, boolean administrator)
             throws UnsupportedOperationException;
 
+    /**
+     * Updates the privileges of a user in a group.
+     *
+     * @param groupName the group where the change happened
+     * @param username the username to of the user with new privileges
+     * @param administrator True if the member is an administrator of the group
+     * @throws UnsupportedOperationException if the provider does not
+     *      support the operation.
+     */
+    void updateMember(String groupName, String username, boolean administrator)
+            throws UnsupportedOperationException;
+
     /**
      * Deletes a user from a group (optional operation).
      *