def render_GET(self, request):
"""
Handler for GET requests of driver types
"""
r=ResponseGenerator(request,status=200,contentType="application/pollapli.driverTypeList+json",resource="driverTypes",rootUri=self.rootUri)
d=RequestParser(request,"driverTypes",self.valid_contentTypes,self.validGetParams).ValidateAndParseParams()
d.addCallbacks(callback=lambda params:DriverManager.get_driver_types(params),errback=r._build_response)
d.addBoth(r._build_response)
request._call=reactor.callLater(0,d.callback,None)
return NOT_DONE_YET
