private Class mapTypeName(String typeName) {
//try xs simple type
Schema xsTypeMappingProfile = XS.getInstance().getTypeMappingProfile();
NameImpl name = new NameImpl(XS.NAMESPACE, typeName);
if (xsTypeMappingProfile.containsKey(name)) {
AttributeType type = xsTypeMappingProfile.get(name);
if (type.getBinding() != null) {
return type.getBinding();
}
}