Checking optional attributes

Signed-off-by: Fabio José <[email protected]>

Author: fabiojose

lib/bindings/http/binary_0_1.js

@@ -15,15 +15,18 @@ HTTPBinary.prototype.emit = function(cloudevent){
 
   // Always set stuff in _config
   var _headers = _config["headers"];
-  _headers["Content-Type"] = cloudevent.getContenttype();
 
-  _headers["CE-EventType"] = cloudevent.getType();
-  _headers["CE-EventTypeVersion"] = cloudevent.getEventTypeVersion();
-  _headers["CE-CloudEventsVersion"] = cloudevent.getSpecversion();
+  if(cloudevent.getContenttype())
+    _headers["Content-Type"] = cloudevent.getContenttype();
 
+  _headers["CE-EventType"]          = cloudevent.getType();
+  if(cloudevent.getEventTypeVersion())
+    _headers["CE-EventTypeVersion"] = cloudevent.getEventTypeVersion();
+  _headers["CE-CloudEventsVersion"] = cloudevent.getSpecversion();
   _headers["CE-Source"] = cloudevent.getSource();
   _headers["CE-EventID"] = cloudevent.getId();
-  _headers["CE-EventTime"] = cloudevent.getTime();
+  if(cloudevent.getTime())
+    _headers["CE-EventTime"] = cloudevent.getTime();
   _headers["CE-SchemaURL"] = cloudevent.getSchemaurl();
 
   // Set the cloudevent payload