+ }
+
+ public static Collection<String> extractCapabilitiesFromHello(Document doc) throws NetconfDocumentedException {
+ XmlElement responseElement = XmlElement.fromDomDocument(doc);
+ // Extract child element <capabilities> from <hello> with or without(fallback) the same namespace
+ Optional<XmlElement> capabilitiesElement = responseElement
+ .getOnlyChildElementWithSameNamespaceOptionally(XmlNetconfConstants.CAPABILITIES)
+ .or(responseElement
+ .getOnlyChildElementOptionally(XmlNetconfConstants.CAPABILITIES));
+
+ List<XmlElement> caps = capabilitiesElement.get().getChildElements(XmlNetconfConstants.CAPABILITY);
+ return Collections2.transform(caps, new Function<XmlElement, String>() {
+
+ @Override
+ public String apply(@Nonnull XmlElement input) {
+ // Trim possible leading/tailing whitespace
+ try {
+ return input.getTextContent().trim();
+ } catch (NetconfDocumentedException e) {
+ LOG.trace("Error fetching input text content",e);
+ return null;
+ }
+ }
+ });