--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.db.authentication;\r
+\r
+import java.io.IOException;\r
+\r
+import org.simantics.db.service.ServerInformation;\r
+\r
+public interface UserAuthenticationAgent {\r
+\r
+ /**\r
+ * @param information\r
+ * @return <code>null</code> to proceed without authentication\r
+ * @throws IOException if something goes wrong with the authentication\r
+ */\r
+ UserAuthenticator getAuthenticator(ServerInformation information) throws IOException;\r
+ \r
+}\r