public SchemaReceiver createSchemaReceiver(String namespaceUri, PropertyMap properties) {
    if (!SchemaImpl.NVDL_URI.equals(namespaceUri))
      return null;
    return new SchemaReceiverImpl(properties);
  }
public SchemaReceiver createSchemaReceiver ( String namespaceUri , PropertyMap properties ) { if ( ! SchemaImpl . NVDL_URI . equals ( namespaceUri ) ) return null ; return new SchemaReceiverImpl ( properties ) ; }
Checks if the namespace is the NVDL namespace and if yes then it creates
a schema receiver, otherwise returns null.