It is not possible to return list of installed components (domains) accross the cluster

git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/trunk@9529 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/openfire/RoutingTable.java

@@ -264,6 +264,14 @@ public interface RoutingTable {
      */
     int getServerSessionsCount();
 
+    /**
+     * Returns domains of components hosted by the server. When running in a cluster, domains of
+     * components running in any node will be returned.
+     *
+     * @return domains of components hosted by the server.
+     */
+    Collection<String> getComponentsDomains();
+
     /**
      * Returns the list of routes associated to the specified route address. When asking
      * for routes to a remote server then the requested JID will be included as the only

src/java/org/jivesoftware/openfire/container/PluginManager.java

@@ -628,7 +628,7 @@ public class PluginManager {
             childPluginMap.remove(plugin);
             firePluginDestroyedEvent(pluginName, plugin);
         }
-        else {
+        else if (plugin != null) {
             // Restore references since we failed to remove the plugin
             plugins.put(pluginName, plugin);
             pluginDirs.put(plugin, pluginFile);

src/java/org/jivesoftware/openfire/spi/RoutingTableImpl.java

@@ -546,6 +546,10 @@ public class RoutingTableImpl extends BasicModule implements RoutingTable, Clust
         return localRoutingTable.getServerRoutes().size();
     }
 
+    public Collection<String> getComponentsDomains() {
+        return componentsCache.keySet();
+    }
+
     public boolean hasClientRoute(JID jid) {
         return usersCache.containsKey(jid.toString()) || isAnonymousRoute(jid);
     }