// -> are there any filters with this request?
EC2Filter[] filterSet = extractFilters( request );
if (null != filterSet) {
EC2GroupFilterSet gfs = new EC2GroupFilterSet();
for (EC2Filter filter : filterSet) gfs.addFilter( filter );
EC2request.setFilterSet( gfs );
}
// -> execute the request
EC2Engine engine = ServiceProvider.getInstance().getEC2Engine();