XMLProvider xmlProvider = reference.getProvider();
if (xmlProvider == null) {
// TODO externalize
String message = "there is no provider"; //$NON-NLS-1$
showError(message);
throw new MissingProviderException();
}
String id = xmlProvider.getId();
MetaProvider provider = pluginManager.getProvider(id);
if (provider == null) {
// TODO externalize
String message = "can't insantiate provider '" + id + "'"; //$NON-NLS-1$ //$NON-NLS-2$
showError(message);
throw new MissingProviderException(id);
}
String firstArtefactType = provider.getProvidedArtefactType();
checkOperationOrder(firstArtefactType, operations);