/** @see DatatypeFinder#findDatatype(org.eclipse.emf.common.util.URI) */
 @Override
 public EObject findDatatype(final URI uri) throws CoreException {
   final DatatypeManager dtMgr =
       ModelerCore.getWorkspaceDatatypeManager(); // only care about built-ins!
   if (uri == null) {
     return dtMgr.getAnySimpleType();
   }
   final EObject datatype = dtMgr.findDatatype(uri.toString());
   return datatype;
 }
 /** @see DatatypeFinder#findDatatype(java.lang.String) */
 @Override
 public EObject findDatatype(final String name) throws CoreException {
   final DatatypeManager dtMgr =
       ModelerCore.getWorkspaceDatatypeManager(); // only care about built-ins!
   if (name == null) {
     return dtMgr.getAnySimpleType();
   }
   final EObject datatype = dtMgr.getBuiltInDatatype(name);
   return datatype;
 }