+++ /dev/null
-/*
- * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-package org.opendaylight.restconf.nb.rfc8040.streams.listeners;
-
-import java.time.Instant;
-import java.util.Optional;
-import org.opendaylight.mdsal.dom.api.DOMNotification;
-import org.opendaylight.mdsal.dom.api.DOMNotificationListener;
-import org.opendaylight.mdsal.dom.api.DOMNotificationService;
-import org.opendaylight.yang.gen.v1.urn.sal.restconf.event.subscription.rev140708.NotificationOutputTypeGrouping.NotificationOutputType;
-import org.opendaylight.yangtools.yang.data.codec.gson.JSONCodecFactorySupplier;
-import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Absolute;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * {@link NotificationListenerAdapter} is responsible to track events on notifications.
- */
-public final class NotificationListenerAdapter extends AbstractCommonSubscriber<Absolute, DOMNotification>
- implements DOMNotificationListener {
-
- private static final Logger LOG = LoggerFactory.getLogger(NotificationListenerAdapter.class);
- private static final NotificationFormatterFactory JSON_FORMATTER_FACTORY = JSONNotificationFormatter.createFactory(
- JSONCodecFactorySupplier.RFC7951);
-
- /**
- * Set path of listener and stream name.
- *
- * @param path Schema path of YANG notification.
- * @param streamName Name of the stream.
- * @param outputType Type of output on notification (JSON or XML).
- */
- NotificationListenerAdapter(final Absolute path, final String streamName, final NotificationOutputType outputType) {
- super(path.lastNodeIdentifier(), streamName, path, outputType, getFormatterFactory(outputType));
- }
-
- private static NotificationFormatterFactory getFormatterFactory(final NotificationOutputType outputType) {
- switch (outputType) {
- case JSON:
- return JSON_FORMATTER_FACTORY;
- case XML:
- return XMLNotificationFormatter.FACTORY;
- default:
- throw new IllegalArgumentException("Unsupported outputType " + outputType);
- }
- }
-
- @Override
- @SuppressWarnings("checkstyle:IllegalCatch")
- public void onNotification(final DOMNotification notification) {
- final Instant now = Instant.now();
- if (!checkStartStop(now)) {
- return;
- }
-
- final Optional<String> maybeOutput;
- try {
- maybeOutput = formatter().eventData(schemaHandler.get(), notification, now, getLeafNodesOnly(),
- isSkipNotificationData());
- } catch (Exception e) {
- LOG.error("Failed to process notification {}", notification, e);
- return;
- }
- if (maybeOutput.isPresent()) {
- post(maybeOutput.get());
- }
- }
-
- /**
- * Get schema path of notification.
- *
- * @return The configured schema path that points to observing YANG notification schema node.
- */
- public Absolute getSchemaPath() {
- return path();
- }
-
- public synchronized void listen(final DOMNotificationService notificationService) {
- if (!isListening()) {
- setRegistration(notificationService.registerNotificationListener(this, getSchemaPath()));
- }
- }
-}