RequestCallback (GWT Javadoc)

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GWT 2.7.0

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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 Summary
`void`	`onError(Request request, java.lang.Throwable exception)` Called when a `Request` does not complete normally.
`void`	`onResponseReceived(Request request, Response response)` Called when a pending `Request` completes normally.

Method Detail

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,
             java.lang.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