T5: Returning JSON from an event method

[Michael Lake]

According to the docs (scroll down to the bottom) 
http://tapestry.formos.com/nightly/tapestry5/tapestry-core/guide/ajax.html

I should be able to return a JSONObject from an event method, but it 
throws an exception telling me all the possible return types..none of 
them appear to be JSONObject

I noticed that Sven's T5 component library includes a JSONResponseStream 
is this really necessary?


After looking at the AutoComplete component, I came up with the 
following code(I know, the @OnEvent isn't necessary):

   @OnEvent(value = "renderTreeData")
   Object onRenderTreeData() {

       JSONObject jsonObject = new JSONObject();
       jsonObject.put("id", "1");
       jsonObject.put("text", "A leaf node");
       jsonObject.put("leaf", true);

       JSONArray jsonArray = new JSONArray();
       jsonArray.put(jsonObject);

       return new TextStreamResponse("application/json", 
jsonArray.toString());
   }



is this the proper way to go about this? do the docs need to be updated?

Thanks,
Mike



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