parser = (SAXParser) this.manager.lookup(SAXParser.ROLE);
assertNotNull("Test lookup of parser", parser);
assertNotNull("Test if assertion document is not null",
source);
assertionsource = resolver.resolveURI(source);
assertNotNull("Test lookup of assertion source",
assertionsource);
DOMBuilder builder = new DOMBuilder();
assertNotNull("Test if inputstream of the assertion source is not null",