What is the recommended way to set GET parameters on a Restlet request?

What is the recommended way of setting GET query parameters on a Restlet Request object?

I think I can see how to get them out of the request using getQueryAsForm(), but how do they get set in the first place?

At the moment, I am adding them manually to the URL using a StringBuilder and java.net.URLEncoder, but it seems like there should be a better way开发者_运维技巧.

Second attempt:

Reference reference = new Reference("http://127.0.0.1:8080/test"); 
reference.addQueryParameter("testParam", "testVal"); 
request.setResourceRef(reference);  
request.setMethod(Method.GET);

the addQueryParameter encodes the arguments automatically if needed.

request.getAttributes().get("key");

See also the tutorial (1.0, 1.1 or 2.0) on restlet.org