2 * Copyright (c) 2016 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.netconf.sal.connect.netconf.schema.mapping;
10 import java.time.Instant;
12 import javax.xml.transform.dom.DOMSource;
13 import org.opendaylight.mdsal.dom.api.DOMNotification;
14 import org.opendaylight.mdsal.dom.api.DOMRpcResult;
15 import org.opendaylight.mdsal.dom.spi.DefaultDOMRpcResult;
16 import org.opendaylight.netconf.api.NetconfMessage;
17 import org.opendaylight.netconf.api.xml.MissingNameSpaceException;
18 import org.opendaylight.netconf.api.xml.XmlElement;
19 import org.opendaylight.netconf.sal.connect.api.MessageTransformer;
20 import org.opendaylight.netconf.sal.connect.netconf.util.NetconfMessageTransformUtil;
21 import org.opendaylight.netconf.sal.connect.util.MessageCounter;
22 import org.opendaylight.yangtools.yang.common.QName;
23 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
24 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
25 import org.opendaylight.yangtools.yang.data.api.schema.DOMSourceAnyxmlNode;
26 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
27 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
28 import org.w3c.dom.Document;
29 import org.w3c.dom.Element;
32 * Transforms anyxml rpcs for schemaless netconf devices.
34 public class SchemalessMessageTransformer implements MessageTransformer<NetconfMessage> {
35 // TODO maybe we should move this somewhere else as this
36 // might be used in applications using schemaless mountpoints
37 public static final NodeIdentifier SCHEMALESS_NOTIFICATION_PAYLOAD =
38 // FIXME: assign proper namespace
39 new NodeIdentifier(QName.create("", "schemaless-notification-payload"));
41 private final MessageCounter counter;
43 public SchemalessMessageTransformer(final MessageCounter counter) {
44 this.counter = counter;
48 public DOMNotification toNotification(final NetconfMessage message) {
49 final Map.Entry<Instant, XmlElement> stripped = NetconfMessageTransformUtil.stripNotification(message);
50 final QName notificationNoRev;
53 QName.create(stripped.getValue().getNamespace(), stripped.getValue().getName()).withoutRevision();
54 } catch (final MissingNameSpaceException e) {
55 throw new IllegalArgumentException("Unable to parse notification "
56 + message + ", cannot find namespace", e);
59 final DOMSourceAnyxmlNode notificationPayload = Builders.anyXmlBuilder()
60 .withNodeIdentifier(new NodeIdentifier(notificationNoRev))
61 .withValue(new DOMSource(stripped.getValue().getDomElement()))
64 final ContainerNode notificationBody = Builders.containerBuilder()
65 .withNodeIdentifier(SCHEMALESS_NOTIFICATION_PAYLOAD)
66 .withChild(notificationPayload)
69 return new NetconfMessageTransformer.NetconfDeviceNotification(notificationBody, stripped.getKey());
73 public NetconfMessage toRpcRequest(final QName rpc, final NormalizedNode<?, ?> input) {
74 final DOMSource payload = (DOMSource) input.getValue();
75 wrapPayload((Document) payload.getNode());
76 return new NetconfMessage((Document) ((DOMSourceAnyxmlNode) input).getValue().getNode());
80 * Transforms reply message to anyXml node.
81 * In case, that rpc-reply doesn't contain data and contains only <ok/> element, returns null.
82 * @param rpcReply reply message
86 public DOMRpcResult toRpcResult(final NetconfMessage rpcReply, final QName rpc) {
87 final Document document = rpcReply.getDocument();
88 final DOMSourceAnyxmlNode result;
89 if (BaseRpcSchemalessTransformer.isOkPresent(document)) {
92 result = Builders.anyXmlBuilder()
93 .withNodeIdentifier(NetconfMessageTransformUtil.NETCONF_RPC_REPLY_NODEID)
94 .withValue(new DOMSource(rpcReply.getDocument()))
97 return new DefaultDOMRpcResult(result);
100 private void wrapPayload(final Document doc) {
101 final Element payload = doc.getDocumentElement();
102 doc.removeChild(payload);
103 final Element rpcNS =
104 doc.createElementNS(NetconfMessageTransformUtil.NETCONF_RPC_QNAME.getNamespace().toString(),
105 NetconfMessageTransformUtil.NETCONF_RPC_QNAME.getLocalName());
107 rpcNS.setAttribute(NetconfMessageTransformUtil.MESSAGE_ID_ATTR,
108 counter.getNewMessageId(NetconfMessageTransformUtil.MESSAGE_ID_PREFIX));
109 rpcNS.appendChild(payload);
110 doc.appendChild(rpcNS);