} else if (EXPORT.equals(element)) {
String ns = reader.getAttributeValue(null, "namespace");
if (ns == null) {
throw new InvalidValueException("Attribute 'namespace' is missing");
}
ContributionExport contributionExport = this.contributionFactory.createContributionExport();
contributionExport.setNamespace(ns);
contribution.getExports().add(contributionExport);
}
break;
case XMLStreamConstants.END_ELEMENT:
if (CONTRIBUTION.equals(reader.getName())) {