private <X, Y extends AmazonWebServiceRequest> Response<X> invoke(
Request<Y> request,
Unmarshaller<X, StaxUnmarshallerContext> unmarshaller,
ExecutionContext executionContext) {
request.setEndpoint(endpoint);
request.setTimeOffset(timeOffset);
AmazonWebServiceRequest originalRequest = request.getOriginalRequest();
for (Entry<String, String> entry : originalRequest.copyPrivateRequestParameters().entrySet()) {
request.addParameter(entry.getKey(), entry.getValue());
}
AWSCredentials credentials = awsCredentialsProvider.getCredentials();
if (originalRequest.getRequestCredentials() != null) {
credentials = originalRequest.getRequestCredentials();
}
executionContext.setCredentials(credentials);
StaxResponseHandler<X> responseHandler = new StaxResponseHandler<X>(unmarshaller);
DefaultErrorResponseHandler errorResponseHandler =
new DefaultErrorResponseHandler(exceptionUnmarshallers);
return client.execute(request, responseHandler, errorResponseHandler, executionContext);
}