diff -r 000000000000 -r b62fe6ed39d3 org/sonews/ShutdownHook.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/org/sonews/ShutdownHook.java Wed Aug 12 16:38:11 2009 +0200
@@ -0,0 +1,84 @@
+/*
+ * SONEWS News Server
+ * see AUTHORS for the list of contributors
+ *
+ * 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 .
+ */
+
+package org.sonews;
+
+import java.sql.SQLException;
+import java.util.Map;
+import org.sonews.daemon.AbstractDaemon;
+
+/**
+ * Will force all other threads to shutdown cleanly.
+ * @author Christian Lins
+ * @since sonews/0.5.0
+ */
+class ShutdownHook extends Thread
+{
+
+ /**
+ * Called when the JVM exits.
+ */
+ @Override
+ public void run()
+ {
+ System.out.println("sonews: Trying to shutdown all threads...");
+
+ Map threadsMap = Thread.getAllStackTraces();
+ for(Thread thread : threadsMap.keySet())
+ {
+ // Interrupt the thread if it's a AbstractDaemon
+ AbstractDaemon daemon;
+ if(thread instanceof AbstractDaemon && thread.isAlive())
+ {
+ try
+ {
+ daemon = (AbstractDaemon)thread;
+ daemon.shutdownNow();
+ }
+ catch(SQLException ex)
+ {
+ System.out.println("sonews: " + ex);
+ }
+ }
+ }
+
+ for(Thread thread : threadsMap.keySet())
+ {
+ AbstractDaemon daemon;
+ if(thread instanceof AbstractDaemon && thread.isAlive())
+ {
+ daemon = (AbstractDaemon)thread;
+ System.out.println("sonews: Waiting for " + daemon + " to exit...");
+ try
+ {
+ daemon.join(500);
+ }
+ catch(InterruptedException ex)
+ {
+ System.out.println(ex.getLocalizedMessage());
+ }
+ }
+ }
+
+ // We have notified all not-sleeping AbstractDaemons of the shutdown;
+ // all other threads can be simply purged on VM shutdown
+
+ System.out.println("sonews: Clean shutdown.");
+ }
+
+}