--- /dev/null
+/*
+ * jSite2 - UserInterface.java -
+ * Copyright © 2008 David Roden
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+package net.pterodactylus.jsite.core;
+
+/**
+ * Interface definition for user interfaces.
+ *
+ * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
+ * @version $Id$
+ */
+public interface CoreListener {
+
+ /**
+ * Notifies all listeners that the core has loaded.
+ */
+ public void coreLoaded();
+
+ /**
+ * Notifies all listeners that the core started connecting to the given
+ * node.
+ *
+ * @param node
+ * The node that is being connected
+ */
+ public void nodeConnecting(Node node);
+
+ /**
+ * Notifies all listeners that the core connected to the given node.
+ *
+ * @param node
+ * The node that is connected
+ */
+ public void nodeConnected(Node node);
+
+ /**
+ * Notifies all listeners that the core disconnected from the given node.
+ *
+ * @param node
+ * The node that was diconnected
+ */
+ public void nodeDisconnected(Node node);
+
+}