rework node connections

[jSite2.git] / src / net / pterodactylus / jsite / core / NodeListener.java

diff --git a/src/net/pterodactylus/jsite/core/NodeListener.java b/src/net/pterodactylus/jsite/core/NodeListener.java
new file mode 100644 (file)
index 0000000..80a01ce
--- /dev/null
+++ b/src/net/pterodactylus/jsite/core/NodeListener.java
@@ -0,0 +1,52 @@
+/*
+ * jSite2 - NodeListener.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;
+
+import java.util.EventListener;
+
+/**
+ * Interface for listeners that want to be notified about node events.
+ *
+ * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
+ * @version $Id$
+ */
+public interface NodeListener extends EventListener {
+
+       /**
+        * Notifies a listener that a connection to the given node was established.
+        *
+        * @param node
+        *            The node that is now connected
+        */
+       public void nodeConnected(Node node);
+
+       /**
+        * Notifies a listener that a connection to the given node was severed. The
+        * listener is responsible for
+        *
+        * @param node
+        *            The node that is now disconnected
+        * @param throwable
+        *            The exception that caused the disconnect, or <code>null</code>
+        *            if there was no exception
+        */
+       public void nodeDisconnected(Node node, Throwable throwable);
+
+}