canonicalizer = new AggressiveUrlCanonicalizer();
fgFactories = new ArrayList<FilterGroupFactory>();
fgFactories.add(new AccessPointCaptureFilterGroupFactory());
fgFactories.add(new CoreCaptureFilterGroupFactory());
fgFactories.add(new QueryCaptureFilterGroupFactory());
fgFactories.add(new AnnotatingCaptureFilterGroupFactory());
fgFactories.add(new ExclusionCaptureFilterGroupFactory());
fgFactories.add(new ClosestTrackingCaptureFilterGroupFactory());
}