Add update checker.

[Sone.git] / src / main / java / net / pterodactylus / sone / core / UpdateListenerManager.java

diff --git a/src/main/java/net/pterodactylus/sone/core/UpdateListenerManager.java b/src/main/java/net/pterodactylus/sone/core/UpdateListenerManager.java
new file mode 100644 (file)
index 0000000..3f3b21f
--- /dev/null
+++ b/src/main/java/net/pterodactylus/sone/core/UpdateListenerManager.java
@@ -0,0 +1,55 @@
+/*
+ * Sone - UpdateListenerManager.java - Copyright © 2011 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+package net.pterodactylus.sone.core;
+
+import net.pterodactylus.util.event.AbstractListenerManager;
+import net.pterodactylus.util.version.Version;
+
+/**
+ * Listener manager for {@link UpdateListener} events.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class UpdateListenerManager extends AbstractListenerManager<Void, UpdateListener> {
+
+       /**
+        * Creates a new update listener manager.
+        */
+       public UpdateListenerManager() {
+               super(null);
+       }
+
+       //
+       // ACTIONS
+       //
+
+       /**
+        * Notifies all listeners that a new version has been found.
+        *
+        * @param version
+        *            The new version
+        * @param releaseTime
+        *            The release time of the new version
+        */
+       void fireUpdateFound(Version version, long releaseTime) {
+               for (UpdateListener updateListener : getListeners()) {
+                       updateListener.updateFound(version, releaseTime);
+               }
+       }
+
+}