--- /dev/null
+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.controller.netconf.client;
+
+import org.opendaylight.controller.netconf.api.NetconfMessage;
+import org.opendaylight.controller.netconf.util.xml.XmlElement;
+import org.opendaylight.controller.netconf.util.xml.XmlNetconfConstants;
+
+/**
+ * Class extending {@link NetconfClientSessionListener} to provide notification capability.
+ */
+public abstract class AbstractNetconfClientNotifySessionListener extends NetconfClientSessionListener {
+ /*
+ * Maybe some capabilities could be expressed as internal NetconfClientSessionListener handlers.
+ * It would enable NetconfClient functionality to be extended by using namespace handlers.
+ * So far let just enable notification capability by extending and let parent class intact.
+ */
+
+ /**
+ * As class purpose is to provide notification capability to session listener
+ * onMessage method is not allowed to be further overridden.
+ * {@see #onNotification(NetconfClientSession, NetconfMessage)}
+ *
+ * @param session {@see NetconfClientSessionListener#onMessage(NetconfClientSession, NetconfMessage)}
+ * @param message {@see NetconfClientSessionListener#onMessage(NetconfClientSession, NetconfMessage)}
+ */
+ @Override
+ public final synchronized void onMessage(NetconfClientSession session, NetconfMessage message) {
+ if (isNotification(message)) {
+ onNotification(session, message);
+ } else {
+ super.onMessage(session, message);
+ }
+ }
+
+ /**
+ * Method intended to customize notification processing.
+ *
+ * @param session {@see NetconfClientSessionListener#onMessage(NetconfClientSession, NetconfMessage)}
+ * @param message {@see NetconfClientSessionListener#onMessage(NetconfClientSession, NetconfMessage)}
+ */
+ public abstract void onNotification(NetconfClientSession session, NetconfMessage message);
+
+ private boolean isNotification(NetconfMessage message) {
+ XmlElement xmle = XmlElement.fromDomDocument(message.getDocument());
+ return XmlNetconfConstants.NOTIFICATION_ELEMENT_NAME.equals(xmle.getName()) ;
+ }
+}