ParseException {
XmlObject data = sourceContext.getSourceContent().getXmlBeansInstance()
.getXmlObject();
if (data instanceof CpeListDocument) {
CpeListDocument document = (CpeListDocument) data;
cpeList = document.getCpeList();
} else if (data instanceof ListType) {
cpeList = (ListType) sourceContext.getSourceContent()
.getXmlBeansInstance().getXmlObject();
} else {
throw new UnsupportedOperationException("unsupported class: "