Package com.google.gwt.http.client

Interface RequestCallback

public interface RequestCallback
The primary interface a caller must implement to receive a response to a Request.

Required Module

Modules that use this interface should inherit com.google.gwt.http.HTTP. 
<module>
  <!-- other inherited modules, such as com.google.gwt.user.User -->
  <inherits name="com.google.gwt.http.HTTP"/>
  <!-- additional module settings -->
</module>

  • Method Details

    • onResponseReceived

      void onResponseReceived(Request request, Response response)
      Called when a pending Request completes normally. Note this method is called even when the status code of the HTTP response is not "OK", 200.
      Parameters:
      request - the object that generated this event
      response - an instance of the Response class

    • onError

      void onError(Request request, Throwable exception)
      Called when a Request does not complete normally. A RequestTimeoutException is one example of the type of error that a request may encounter.
      Parameters:
      request - the request object which has experienced the error condition, may be null if the request was never generated
      exception - the error that was encountered