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Java Source Code / Java Documentation » Ajax » GWT » com.google.gwt.http.client

Source Cross Reference Class Diagram Java Document (Java Doc)

com.google.gwt.http.client .RequestCallback

All known Subclasses:   com.google.gwt.user.client.rpc.impl .RequestCallbackAdapter,
RequestCallback
public interface RequestCallback (Code)
The primary interface a caller must implement to receive a response to a com.google.gwt.http.client.Request .
Required Module
Modules that use this interface should inherit com.google.gwt.http.HTTP.

Method Summary
void onError(Request request, Throwable exception)
     Called when a com.google.gwt.http.client.Request does not complete normally.
void onResponseReceived(Request request, Response response)
     Called when a pending com.google.gwt.http.client.Request completes normally.

Method Detail
onError
void onError(Request request, Throwable exception)(Code)
Called when a com.google.gwt.http.client.Request does not complete normally. A com.google.gwt.http.client.RequestTimeoutException 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
Parameters:
  exception - the error that was encountered

onResponseReceived
void onResponseReceived(Request request, Response response)(Code)
Called when a pending com.google.gwt.http.client.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
Parameters:
  response - an instance of thecom.google.gwt.http.client.Response class

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