Merge/dev to fork master merge

ragconnect.base/src/main/jastadd/intermediate/Generation.jadd

@@ -18,6 +18,9 @@ aspect AttributesForMustache {
   syn String MRagConnect.restHandlerAttribute() = "_restHandler";
   syn String MRagConnect.restHandlerField() = "_restHandler";
 
+  syn String MRagConnect.javaHandlerAttribute() = "_javaHandler";
+  syn String MRagConnect.javaHandlerField() = "_javaHandler";
+
   syn boolean MRagConnect.hasTreeListEndpoints() = !sendingTreeListEndpoints().isEmpty() || !receivingTreeListEndpoints().isEmpty();
   syn List<MTypeEndpointDefinition> MRagConnect.sendingTreeListEndpoints() {
     List<MTypeEndpointDefinition> result = new ArrayList<>();
@@ -254,6 +257,8 @@ aspect AttributesForMustache {
                                    result.mqttHandlerAttribute(), result.mqttHandlerField(), usesMqtt));
     result.addHandler(new MHandler("RestServerHandler", "new RestServerHandler(\"RagConnectREST\")",
                                    result.restHandlerAttribute(), result.restHandlerField(), usesRest));
+    result.addHandler(new MHandler("JavaHandler", "JavaHandler.getInstance()",
+        result.javaHandlerAttribute(), result.javaHandlerField(), usesJava));
     return result;
   }