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
8 package org.opendaylight.controller.netconf.monitoring;
10 import com.google.common.collect.Maps;
12 import org.opendaylight.controller.netconf.api.NetconfDocumentedException;
13 import org.opendaylight.controller.netconf.api.monitoring.NetconfMonitoringService;
14 import org.opendaylight.controller.netconf.api.xml.XmlNetconfConstants;
15 import org.opendaylight.controller.netconf.mapping.api.HandlingPriority;
16 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationChainedExecution;
17 import org.opendaylight.controller.netconf.monitoring.xml.JaxBSerializer;
18 import org.opendaylight.controller.netconf.monitoring.xml.model.NetconfState;
19 import org.opendaylight.controller.netconf.util.mapping.AbstractNetconfOperation;
20 import org.opendaylight.controller.netconf.util.xml.XmlElement;
21 import org.opendaylight.controller.netconf.util.xml.XmlUtil;
22 import org.slf4j.Logger;
23 import org.slf4j.LoggerFactory;
24 import org.w3c.dom.Document;
25 import org.w3c.dom.Element;
29 public class Get extends AbstractNetconfOperation {
31 private static final Logger logger = LoggerFactory.getLogger(Get.class);
32 private final NetconfMonitoringService netconfMonitor;
34 public Get(NetconfMonitoringService netconfMonitor) {
35 super(MonitoringConstants.MODULE_NAME);
36 this.netconfMonitor = netconfMonitor;
39 private Element getPlaceholder(Document innerResult) throws NetconfDocumentedException {
41 XmlElement rootElement = null;
42 rootElement = XmlElement.fromDomElementWithExpected(innerResult.getDocumentElement(),
43 XmlNetconfConstants.RPC_REPLY_KEY, XmlNetconfConstants.RFC4741_TARGET_NAMESPACE);
44 return rootElement.getOnlyChildElement(XmlNetconfConstants.DATA_KEY).getDomElement();
45 } catch (RuntimeException e) {
46 throw new IllegalArgumentException(String.format(
47 "Input xml in wrong format, Expecting root element %s with child element %s, but was %s",
48 XmlNetconfConstants.RPC_REPLY_KEY, XmlNetconfConstants.DATA_KEY,
49 XmlUtil.toString(innerResult.getDocumentElement())), e);
54 protected String getOperationName() {
55 return XmlNetconfConstants.GET;
59 protected HandlingPriority getHandlingPriority() {
60 return HandlingPriority.HANDLE_WITH_DEFAULT_PRIORITY.increasePriority(1);
64 public Document handle(Document requestMessage, NetconfOperationChainedExecution subsequentOperation)
65 throws NetconfDocumentedException {
66 if (subsequentOperation.isExecutionTermination()){
67 throw new NetconfDocumentedException(String.format("Subsequent netconf operation expected by %s", this),
68 NetconfDocumentedException.ErrorType.application,
69 NetconfDocumentedException.ErrorTag.operation_failed,
70 NetconfDocumentedException.ErrorSeverity.error);
74 Document innerResult = subsequentOperation.execute(requestMessage);
76 NetconfState netconfMonitoring = new NetconfState(netconfMonitor);
77 Element monitoringXmlElement = new JaxBSerializer().toXml(netconfMonitoring);
79 monitoringXmlElement = (Element) innerResult.importNode(monitoringXmlElement, true);
80 Element monitoringXmlElementPlaceholder = getPlaceholder(innerResult);
81 monitoringXmlElementPlaceholder.appendChild(monitoringXmlElement);
84 } catch (RuntimeException e) {
85 String errorMessage = "Get operation for netconf-state subtree failed";
86 logger.warn(errorMessage, e);
87 Map<String, String> info = Maps.newHashMap();
88 info.put(NetconfDocumentedException.ErrorSeverity.error.toString(), e.getMessage());
89 throw new NetconfDocumentedException(errorMessage, NetconfDocumentedException.ErrorType.application,
90 NetconfDocumentedException.ErrorTag.operation_failed,
91 NetconfDocumentedException.ErrorSeverity.error, info);
96 protected Element handle(Document document, XmlElement message, NetconfOperationChainedExecution subsequentOperation)
97 throws NetconfDocumentedException {
98 throw new UnsupportedOperationException("Never gets called");