+ /**
+ * Create a failure response of cm handle registration based on xpath and registration error.
+ * Conditions:
+ * - the xpath should be valid according to the cps path, otherwise xpath is not included in the response.
+ *
+ * @param failedXpaths the failed xpaths
+ * @param ncmpResponseStatus type of the registration error
+ * @return collection of cm handle registration response
+ */
+ public static List<CmHandleRegistrationResponse> createFailureResponsesFromXpaths(
+ final Collection<String> failedXpaths, final NcmpResponseStatus ncmpResponseStatus) {
+ final List<CmHandleRegistrationResponse> cmHandleRegistrationResponses = new ArrayList<>(failedXpaths.size());
+ for (final String xpath : failedXpaths) {
+ try {
+ final String cmHandleId = YangDataConverter.extractCmHandleIdFromXpath(xpath);
+ cmHandleRegistrationResponses
+ .add(CmHandleRegistrationResponse.createFailureResponse(cmHandleId, ncmpResponseStatus));
+ } catch (IllegalArgumentException | IllegalStateException e) {
+ log.warn("Unexpected xpath {}", xpath);
+ }
+ }
+ return cmHandleRegistrationResponses;
+ }
+
+ /**
+ * Create a failure response of cm handle registration based on cm handle id and registration error.
+ *
+ * @param failedCmHandleIds the failed cm handle ids
+ * @param ncmpResponseStatus type of the registration error
+ * @return collection of cm handle registration response
+ */
+ public static List<CmHandleRegistrationResponse> createFailureResponses(
+ final Collection<String> failedCmHandleIds, final NcmpResponseStatus ncmpResponseStatus) {
+ final List<CmHandleRegistrationResponse> cmHandleRegistrationResponses =
+ new ArrayList<>(failedCmHandleIds.size());
+ for (final String failedCmHandleId : failedCmHandleIds) {
+ cmHandleRegistrationResponses.add(
+ CmHandleRegistrationResponse.createFailureResponse(failedCmHandleId, ncmpResponseStatus));
+ }
+ return cmHandleRegistrationResponses;
+ }
+
+ /**
+ * Creates a failure response based on other exception.
+ *
+ * @param cmHandleIds list of failed cmHandleIds
+ * @param exception exception caught during the registration
+ * @return CmHandleRegistrationResponse
+ */
+ public static List<CmHandleRegistrationResponse> createFailureResponses(final Collection<String> cmHandleIds,
+ final Exception exception) {
+ return cmHandleIds.stream()
+ .map(cmHandleId -> CmHandleRegistrationResponse.createFailureResponse(cmHandleId, exception))
+ .toList();
+ }
+