Document preFilterDocument = getDocument("pre-filter.xml");
Document postFilterDocument = getDocument("post-filter.xml");
Document actualPostFilterDocument = SubtreeFilter.applySubtreeFilter(requestDocument, preFilterDocument);
Document preFilterDocument = getDocument("pre-filter.xml");
Document postFilterDocument = getDocument("post-filter.xml");
Document actualPostFilterDocument = SubtreeFilter.applySubtreeFilter(requestDocument, preFilterDocument);