class CreateBucketInterceptor extends AbstractCallInterceptor
    {
        @Override
        public void beforeCall(InvocationContext invocationContext) throws Throwable
        {
            BucketLocation location = (BucketLocation) invocationContext.getParam("location");
            if (location.equals(BucketLocation.EU))
            {
                invocationContext.addRequestPayload("<CreateBucketConfiguration><LocationConstraint>EU</LocationConstraint></CreateBucketConfiguration>");
                // Need to set this here because of IBEANS-186
                invocationContext.addRequestHeaderParam("Content-Type", "text/plain; charset=UTF-8");
            }
        }
    }

headers.containsKey("Content-Type")