2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.controller.netconf.util.messages;
11 import com.google.common.base.Function;
12 import com.google.common.collect.Collections2;
13 import org.opendaylight.controller.netconf.api.NetconfDocumentedException;
14 import org.opendaylight.controller.netconf.api.NetconfMessage;
15 import org.opendaylight.controller.netconf.util.xml.XmlElement;
16 import org.opendaylight.controller.netconf.util.xml.XmlNetconfConstants;
17 import org.slf4j.Logger;
18 import org.slf4j.LoggerFactory;
19 import org.w3c.dom.Document;
21 import javax.annotation.Nullable;
22 import java.util.Collection;
23 import java.util.List;
25 public final class NetconfMessageUtil {
27 private static final Logger logger = LoggerFactory.getLogger(NetconfMessageUtil.class);
29 private NetconfMessageUtil() {}
31 public static boolean isOKMessage(NetconfMessage message) throws NetconfDocumentedException {
32 return isOKMessage(message.getDocument());
35 public static boolean isOKMessage(Document document) throws NetconfDocumentedException {
36 return isOKMessage(XmlElement.fromDomDocument(document));
39 public static boolean isOKMessage(XmlElement xmlElement) throws NetconfDocumentedException {
40 if(xmlElement.getChildElements().size() != 1) {
43 return xmlElement.getOnlyChildElement().getName().equals(XmlNetconfConstants.OK);
46 public static boolean isErrorMessage(NetconfMessage message) throws NetconfDocumentedException {
47 return isErrorMessage(message.getDocument());
50 public static boolean isErrorMessage(Document document) throws NetconfDocumentedException {
51 return isErrorMessage(XmlElement.fromDomDocument(document));
54 public static boolean isErrorMessage(XmlElement xmlElement) throws NetconfDocumentedException {
55 if(xmlElement.getChildElements().size() != 1) {
58 return xmlElement.getOnlyChildElement().getName().equals(XmlNetconfConstants.RPC_ERROR);
61 public static Collection<String> extractCapabilitiesFromHello(Document doc) throws NetconfDocumentedException {
62 XmlElement responseElement = XmlElement.fromDomDocument(doc);
63 XmlElement capabilitiesElement = responseElement
64 .getOnlyChildElementWithSameNamespace(XmlNetconfConstants.CAPABILITIES);
65 List<XmlElement> caps = capabilitiesElement.getChildElements(XmlNetconfConstants.CAPABILITY);
66 return Collections2.transform(caps, new Function<XmlElement, String>() {
70 public String apply(@Nullable XmlElement input) {
71 // Trim possible leading/tailing whitespace
73 return input.getTextContent().trim();
74 } catch (NetconfDocumentedException e) {
75 logger.trace("Error fetching inpit text content becauese {}",e);