Rewrite Server.stop() to actually try to stop the server.

Rewrite HelmaShutdownHook to use Server.stop().

src/helma/main/HelmaShutdownHook.java

@@ -23,16 +23,7 @@ import org.apache.commons.logging.LogFactory;
  * ShutdownHook that shuts down all running Helma applications on exit.
  */
 public class HelmaShutdownHook extends Thread {
-    ApplicationManager appmgr;
 
-    /**
-     * Creates a new HelmaShutdownHook object.
-     *
-     * @param appmgr ...
-     */
-    public HelmaShutdownHook(ApplicationManager appmgr) {
-        this.appmgr = appmgr;
-    }
 
     /**
      *
@@ -40,12 +31,9 @@ public class HelmaShutdownHook extends Thread {
     public void run() {
         System.err.println("Shutting down Helma - please stand by...");
 
-        Server.getServer().getLogger().info("Shutting down Helma");
-
-        appmgr.stopAll();
-
-        if (LogFactory.getFactory() instanceof Logging) {
-            Logging.shutdown();
+        Server server = Server.getServer();
+        if (server != null) {
+            server.stop();
         }
      }
 }

src/helma/main/Server.java

@@ -87,6 +87,8 @@ public class Server implements IPathElement, Runnable {
 
     // the XML-RPC server
     protected WebServer xmlrpc;
+    
+    Thread shutdownhook;
 
 
     /**
@@ -503,15 +505,40 @@ public class Server implements IPathElement, Runnable {
 
 
 
-    protected void start() {
+    public void start() {
         // Start running, finishing setup and then entering a loop to check changes
         // in the apps.properties file.
         mainThread = new Thread(this);
         mainThread.start();
     }
 
-    protected void stop() {
+    public void stop() {
         mainThread = null;
+        
+        getLogger().info("Shutting down Helma");
+
+        appManager.stopAll();
+
+        if (http != null) {
+            try {
+                http.stop();
+                http.destroy();
+            } catch (InterruptedException irx) {
+                // http.stop() interrupted by another thread. ignore.
+            }
+        }
+        
+        if (helmaLogging) {
+            Logging.shutdown();
+        }
+        
+        try {
+            Runtime.getRuntime().removeShutdownHook(shutdownhook);
+        } catch (Exception x) {
+            // invalid shutdown hook or already shutting down. ignore.
+        }
+        
+        server = null;
     }
 
     /**
@@ -646,7 +673,8 @@ public class Server implements IPathElement, Runnable {
             }
 
             // add shutdown hook to close running apps and servers on exit
-            Runtime.getRuntime().addShutdownHook(new HelmaShutdownHook(appManager));
+            shutdownhook = new HelmaShutdownHook();
+            Runtime.getRuntime().addShutdownHook(shutdownhook);
         } catch (Exception gx) {
             logger.error("Error initializing embedded database: " + gx);
             gx.printStackTrace();