*/
package org.opendaylight.controller.messagebus.eventsources.netconf;
+import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
-
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.dom.DOMSource;
-
import org.opendaylight.controller.md.sal.dom.api.DOMNotification;
import org.opendaylight.controller.md.sal.dom.api.DOMNotificationListener;
import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.TopicId;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
-
public class ConnectionNotificationTopicRegistration extends NotificationTopicRegistration {
private static final Logger LOG = LoggerFactory.getLogger(ConnectionNotificationTopicRegistration.class);
- public static final SchemaPath EVENT_SOURCE_STATUS_PATH = SchemaPath.create(true, QName.create(EventSourceStatusNotification.QNAME, "event-source-status"));
- private static final NodeIdentifier EVENT_SOURCE_STATUS_ARG = new NodeIdentifier(EventSourceStatusNotification.QNAME);
+ public static final SchemaPath EVENT_SOURCE_STATUS_PATH = SchemaPath
+ .create(true, QName.create(EventSourceStatusNotification.QNAME, "event-source-status"));
+ private static final NodeIdentifier EVENT_SOURCE_STATUS_ARG = new NodeIdentifier(
+ EventSourceStatusNotification.QNAME);
private static final String XMLNS_ATTRIBUTE_KEY = "xmlns";
private static final String XMLNS_URI = "http://www.w3.org/2000/xmlns/";
private ConcurrentHashMap<SchemaPath, ArrayList<TopicId>> notificationTopicMap = new ConcurrentHashMap<>();
public ConnectionNotificationTopicRegistration(String SourceName, DOMNotificationListener domNotificationListener) {
- super(NotificationSourceType.ConnectionStatusChange, SourceName, EVENT_SOURCE_STATUS_PATH.getLastComponent().getNamespace().toString());
+ super(NotificationSourceType.ConnectionStatusChange, SourceName,
+ EVENT_SOURCE_STATUS_PATH.getLastComponent().getNamespace().toString());
this.domNotificationListener = Preconditions.checkNotNull(domNotificationListener);
LOG.info("Connection notification source has been initialized.");
setActive(true);
setReplaySupported(false);
}
- @Override
- public void close() throws Exception {
- if(isActive()){
+ @Override public void close() throws Exception {
+ if (isActive()) {
LOG.debug("Connection notification - publish Deactive");
publishNotification(EventSourceStatus.Deactive);
notificationTopicMap.clear();
}
}
- @Override
- void activateNotificationSource() {
+ @Override void activateNotificationSource() {
LOG.debug("Connection notification - publish Active");
publishNotification(EventSourceStatus.Active);
}
- @Override
- void deActivateNotificationSource() {
+ @Override void deActivateNotificationSource() {
LOG.debug("Connection notification - publish Inactive");
publishNotification(EventSourceStatus.Inactive);
}
- @Override
- void reActivateNotificationSource() {
+ @Override void reActivateNotificationSource() {
LOG.debug("Connection notification - reactivate - publish active");
publishNotification(EventSourceStatus.Active);
}
- @Override
- boolean registerNotificationTopic(SchemaPath notificationPath, TopicId topicId) {
- if(checkNotificationPath(notificationPath) == false){
+ @Override boolean registerNotificationTopic(SchemaPath notificationPath, TopicId topicId) {
+ if (checkNotificationPath(notificationPath) == false) {
LOG.debug("Bad SchemaPath for notification try to register");
return false;
}
ArrayList<TopicId> topicIds = getNotificationTopicIds(notificationPath);
- if(topicIds == null){
+ if (topicIds == null) {
topicIds = new ArrayList<>();
topicIds.add(topicId);
} else {
- if(topicIds.contains(topicId) == false){
+ if (topicIds.contains(topicId) == false) {
topicIds.add(topicId);
}
}
return true;
}
- @Override
- ArrayList<TopicId> getNotificationTopicIds(SchemaPath notificationPath) {
+ @Override ArrayList<TopicId> getNotificationTopicIds(SchemaPath notificationPath) {
return notificationTopicMap.get(notificationPath);
}
- @Override
- synchronized void unRegisterNotificationTopic(TopicId topicId) {
+ @Override synchronized void unRegisterNotificationTopic(TopicId topicId) {
List<SchemaPath> notificationPathToRemove = new ArrayList<>();
- for(SchemaPath notifKey : notificationTopicMap.keySet()){
+ for (SchemaPath notifKey : notificationTopicMap.keySet()) {
ArrayList<TopicId> topicList = notificationTopicMap.get(notifKey);
- if(topicList != null){
+ if (topicList != null) {
topicList.remove(topicId);
- if(topicList.isEmpty()){
+ if (topicList.isEmpty()) {
notificationPathToRemove.add(notifKey);
}
}
}
- for(SchemaPath notifKey : notificationPathToRemove){
+ for (SchemaPath notifKey : notificationPathToRemove) {
notificationTopicMap.remove(notifKey);
}
}
- private void publishNotification(EventSourceStatus eventSourceStatus){
+ private void publishNotification(EventSourceStatus eventSourceStatus) {
final EventSourceStatusNotification notification = new EventSourceStatusNotificationBuilder()
- .setStatus(eventSourceStatus)
- .build();
+ .setStatus(eventSourceStatus).build();
domNotificationListener.onNotification(createNotification(notification));
}
- private DOMNotification createNotification(EventSourceStatusNotification notification){
- final ContainerNode cn = Builders.containerBuilder()
- .withNodeIdentifier(EVENT_SOURCE_STATUS_ARG)
- .withChild(encapsulate(notification))
- .build();
+ private DOMNotification createNotification(EventSourceStatusNotification notification) {
+ final ContainerNode cn = Builders.containerBuilder().withNodeIdentifier(EVENT_SOURCE_STATUS_ARG)
+ .withChild(encapsulate(notification)).build();
DOMNotification dn = new DOMNotification() {
- @Override
- public SchemaPath getType() {
+ @Override public SchemaPath getType() {
return EVENT_SOURCE_STATUS_PATH;
}
- @Override
- public ContainerNode getBody() {
+ @Override public ContainerNode getBody() {
return cn;
}
};
return dn;
}
- private AnyXmlNode encapsulate(EventSourceStatusNotification notification){
+ private AnyXmlNode encapsulate(EventSourceStatusNotification notification) {
DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder;
Document doc = docBuilder.newDocument();
final Optional<String> namespace = Optional.of(EVENT_SOURCE_STATUS_ARG.getNodeType().getNamespace().toString());
- final Element rootElement = createElement(doc , "EventSourceStatusNotification", namespace);
+ final Element rootElement = createElement(doc, "EventSourceStatusNotification", namespace);
final Element sourceElement = doc.createElement("status");
sourceElement.appendChild(doc.createTextNode(notification.getStatus().name()));
rootElement.appendChild(sourceElement);
-
return Builders.anyXmlBuilder().withNodeIdentifier(EVENT_SOURCE_STATUS_ARG)
- .withValue(new DOMSource(rootElement))
- .build();
+ .withValue(new DOMSource(rootElement)).build();
}
// Helper to create root XML element with correct namespace and attribute
private Element createElement(final Document document, final String qName, final Optional<String> namespaceURI) {
- if(namespaceURI.isPresent()) {
+ if (namespaceURI.isPresent()) {
final Element element = document.createElementNS(namespaceURI.get(), qName);
String name = XMLNS_ATTRIBUTE_KEY;
- if(element.getPrefix() != null) {
+ if (element.getPrefix() != null) {
name += ":" + element.getPrefix();
}
element.setAttributeNS(XMLNS_URI, name, namespaceURI.get());