package org.opendaylight.controller.netconf.util.messages;
+import com.google.common.base.Function;
+import com.google.common.base.Optional;
+import com.google.common.collect.Collections2;
+import java.util.Collection;
+import java.util.List;
+import javax.annotation.Nonnull;
+import org.opendaylight.controller.config.util.xml.DocumentedException;
+import org.opendaylight.controller.config.util.xml.XmlElement;
+import org.opendaylight.controller.netconf.api.NetconfDocumentedException;
import org.opendaylight.controller.netconf.api.NetconfMessage;
-import org.opendaylight.controller.netconf.util.xml.XmlElement;
-import org.opendaylight.controller.netconf.util.xml.XmlNetconfConstants;
+import org.opendaylight.controller.netconf.api.xml.XmlNetconfConstants;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
import org.w3c.dom.Document;
public final class NetconfMessageUtil {
+ private static final Logger LOG = LoggerFactory.getLogger(NetconfMessageUtil.class);
+
private NetconfMessageUtil() {}
- public static boolean isOKMessage(NetconfMessage message) {
+ public static boolean isOKMessage(NetconfMessage message) throws NetconfDocumentedException {
return isOKMessage(message.getDocument());
}
- public static boolean isOKMessage(Document document) {
+ public static boolean isOKMessage(Document document) throws NetconfDocumentedException {
return isOKMessage(XmlElement.fromDomDocument(document));
}
- public static boolean isOKMessage(XmlElement xmlElement) {
- return xmlElement.getOnlyChildElement().getName().equals(XmlNetconfConstants.OK);
+ public static boolean isOKMessage(XmlElement xmlElement) throws NetconfDocumentedException {
+ if(xmlElement.getChildElements().size() != 1) {
+ return false;
+ }
+ try {
+ return xmlElement.getOnlyChildElement().getName().equals(XmlNetconfConstants.OK);
+ } catch (DocumentedException e) {
+ throw new NetconfDocumentedException(e);
+ }
}
- public static boolean isErrorMEssage(NetconfMessage message) {
+ public static boolean isErrorMessage(NetconfMessage message) throws NetconfDocumentedException {
return isErrorMessage(message.getDocument());
}
- public static boolean isErrorMessage(Document document) {
+ public static boolean isErrorMessage(Document document) throws NetconfDocumentedException {
return isErrorMessage(XmlElement.fromDomDocument(document));
}
- public static boolean isErrorMessage(XmlElement xmlElement) {
- return xmlElement.getOnlyChildElement().getName().equals(XmlNetconfConstants.RPC_ERROR);
+ public static boolean isErrorMessage(XmlElement xmlElement) throws NetconfDocumentedException {
+ if(xmlElement.getChildElements().size() != 1) {
+ return false;
+ }
+ try {
+ return xmlElement.getOnlyChildElement().getName().equals(DocumentedException.RPC_ERROR);
+ } catch (DocumentedException e) {
+ throw new NetconfDocumentedException(e);
+ }
+ }
+
+ 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 (DocumentedException e) {
+ LOG.trace("Error fetching input text content",e);
+ return null;
+ }
+ }
+ });
}
}