2 * Copyright (c) 2015 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.netconf.notifications.impl.ops;
11 import com.google.common.base.Optional;
12 import com.google.common.base.Preconditions;
13 import com.google.common.base.Predicate;
14 import com.google.common.collect.Collections2;
15 import com.google.common.collect.Iterables;
16 import java.io.IOException;
17 import java.util.Collections;
18 import java.util.Date;
19 import javassist.ClassPool;
20 import javax.xml.stream.XMLStreamException;
21 import javax.xml.transform.dom.DOMResult;
22 import org.opendaylight.controller.config.util.xml.XmlUtil;
23 import org.opendaylight.netconf.notifications.NetconfNotification;
24 import org.opendaylight.netconf.util.NetconfUtil;
25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.$YangModuleInfoImpl;
26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.NetconfCapabilityChange;
27 import org.opendaylight.yangtools.binding.data.codec.gen.impl.StreamWriterGenerator;
28 import org.opendaylight.yangtools.binding.data.codec.impl.BindingNormalizedNodeCodecRegistry;
29 import org.opendaylight.yangtools.sal.binding.generator.impl.ModuleInfoBackedContext;
30 import org.opendaylight.yangtools.sal.binding.generator.util.BindingRuntimeContext;
31 import org.opendaylight.yangtools.sal.binding.generator.util.JavassistUtils;
32 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
33 import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
34 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
35 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
36 import org.slf4j.Logger;
37 import org.slf4j.LoggerFactory;
38 import org.w3c.dom.Document;
40 public final class NotificationsTransformUtil {
42 private static final Logger LOG = LoggerFactory.getLogger(NotificationsTransformUtil.class);
44 private NotificationsTransformUtil() {}
46 static final SchemaContext NOTIFICATIONS_SCHEMA_CTX;
47 static final BindingNormalizedNodeCodecRegistry CODEC_REGISTRY;
48 static final RpcDefinition CREATE_SUBSCRIPTION_RPC;
50 static final SchemaPath CAPABILITY_CHANGE_SCHEMA_PATH = SchemaPath.create(true, NetconfCapabilityChange.QNAME);
54 final ModuleInfoBackedContext moduleInfoBackedContext = ModuleInfoBackedContext.create();
55 moduleInfoBackedContext.addModuleInfos(Collections.singletonList($YangModuleInfoImpl.getInstance()));
56 moduleInfoBackedContext.addModuleInfos(Collections.singletonList(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.$YangModuleInfoImpl.getInstance()));
57 final Optional<SchemaContext> schemaContextOptional = moduleInfoBackedContext.tryToCreateSchemaContext();
58 Preconditions.checkState(schemaContextOptional.isPresent());
59 NOTIFICATIONS_SCHEMA_CTX = schemaContextOptional.get();
61 CREATE_SUBSCRIPTION_RPC = Preconditions.checkNotNull(findCreateSubscriptionRpc());
63 Preconditions.checkNotNull(CREATE_SUBSCRIPTION_RPC);
65 final JavassistUtils javassist = JavassistUtils.forClassPool(ClassPool.getDefault());
66 CODEC_REGISTRY = new BindingNormalizedNodeCodecRegistry(StreamWriterGenerator.create(javassist));
67 CODEC_REGISTRY.onBindingRuntimeContextUpdated(BindingRuntimeContext.create(moduleInfoBackedContext, NOTIFICATIONS_SCHEMA_CTX));
70 private static RpcDefinition findCreateSubscriptionRpc() {
71 return Iterables.getFirst(Collections2.filter(NOTIFICATIONS_SCHEMA_CTX.getOperations(), new Predicate<RpcDefinition>() {
73 public boolean apply(final RpcDefinition input) {
74 return input.getQName().getLocalName().equals(CreateSubscription.CREATE_SUBSCRIPTION);
80 * Transform base notification for capabilities into NetconfNotification
82 public static NetconfNotification transform(final NetconfCapabilityChange capabilityChange) {
83 return transform(capabilityChange, Optional.<Date>absent());
86 public static NetconfNotification transform(final NetconfCapabilityChange capabilityChange, final Date eventTime) {
87 return transform(capabilityChange, Optional.fromNullable(eventTime));
90 private static NetconfNotification transform(final NetconfCapabilityChange capabilityChange, final Optional<Date> eventTime) {
91 final ContainerNode containerNode = CODEC_REGISTRY.toNormalizedNodeNotification(capabilityChange);
92 final DOMResult result = new DOMResult(XmlUtil.newDocument());
94 NetconfUtil.writeNormalizedNode(containerNode, result, CAPABILITY_CHANGE_SCHEMA_PATH, NOTIFICATIONS_SCHEMA_CTX);
95 } catch (final XMLStreamException| IOException e) {
96 throw new IllegalStateException("Unable to serialize " + capabilityChange, e);
98 final Document node = (Document) result.getNode();
99 return eventTime.isPresent() ?
100 new NetconfNotification(node, eventTime.get()):
101 new NetconfNotification(node);