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;
24 import org.opendaylight.yangtools.yang.data.api.schema.AnyXmlNode;
25 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
26 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
27 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
28 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
29 import org.w3c.dom.Document;
30 import org.w3c.dom.Element;
33 * Transforms anyxml rpcs for schemaless netconf devices.
35 public class SchemalessMessageTransformer implements MessageTransformer<NetconfMessage> {
37 private static final YangInstanceIdentifier.NodeIdentifier REPLY_ID =
38 new YangInstanceIdentifier.NodeIdentifier(NetconfMessageTransformUtil.NETCONF_RPC_REPLY_QNAME);
39 // TODO maybe we should move this somewhere else as this
40 // might be used in applications using schemaless mountpoints
41 public static final YangInstanceIdentifier.NodeIdentifier SCHEMALESS_NOTIFICATION_PAYLOAD =
42 // FIXME: assign proper namespace
43 new YangInstanceIdentifier.NodeIdentifier(QName.create("", "schemaless-notification-payload"));
45 private final MessageCounter counter;
47 public SchemalessMessageTransformer(final MessageCounter counter) {
48 this.counter = counter;
52 public DOMNotification toNotification(final NetconfMessage message) {
53 final Map.Entry<Instant, XmlElement> stripped = NetconfMessageTransformUtil.stripNotification(message);
54 final QName notificationNoRev;
57 QName.create(stripped.getValue().getNamespace(), stripped.getValue().getName()).withoutRevision();
58 } catch (final MissingNameSpaceException e) {
59 throw new IllegalArgumentException("Unable to parse notification "
60 + message + ", cannot find namespace", e);
63 final AnyXmlNode notificationPayload = Builders.anyXmlBuilder()
64 .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(notificationNoRev))
65 .withValue(new DOMSource(stripped.getValue().getDomElement()))
68 final ContainerNode notificationBody = Builders.containerBuilder()
69 .withNodeIdentifier(SCHEMALESS_NOTIFICATION_PAYLOAD)
70 .withChild(notificationPayload)
73 return new NetconfMessageTransformer.NetconfDeviceNotification(notificationBody, stripped.getKey());
77 public NetconfMessage toRpcRequest(final SchemaPath rpc, final NormalizedNode<?, ?> input) {
78 final DOMSource payload = (DOMSource) input.getValue();
79 wrapPayload((Document) payload.getNode());
80 return new NetconfMessage((Document) ((AnyXmlNode) input).getValue().getNode());
84 * Transforms reply message to anyXml node.
85 * In case, that rpc-reply doesn't contain data and contains only <ok/> element, returns null.
86 * @param rpcReply reply message
90 public DOMRpcResult toRpcResult(final NetconfMessage rpcReply, final SchemaPath rpc) {
91 final Document document = rpcReply.getDocument();
92 final AnyXmlNode result;
93 if (BaseRpcSchemalessTransformer.isOkPresent(document)) {
96 result = Builders.anyXmlBuilder()
97 .withNodeIdentifier(REPLY_ID)
98 .withValue(new DOMSource(rpcReply.getDocument()))
101 return new DefaultDOMRpcResult(result);
104 private void wrapPayload(final Document doc) {
105 final Element payload = doc.getDocumentElement();
106 doc.removeChild(payload);
107 final Element rpcNS =
108 doc.createElementNS(NetconfMessageTransformUtil.NETCONF_RPC_QNAME.getNamespace().toString(),
109 NetconfMessageTransformUtil.NETCONF_RPC_QNAME.getLocalName());
111 rpcNS.setAttribute(NetconfMessageTransformUtil.MESSAGE_ID_ATTR,
112 counter.getNewMessageId(NetconfMessageTransformUtil.MESSAGE_ID_PREFIX));
113 rpcNS.appendChild(payload);
114 doc.appendChild(rpcNS);