+++ /dev/null
-/*
- * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-
-package org.opendaylight.controller.netconf.notifications.impl.ops;
-
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
-import com.google.common.base.Predicate;
-import com.google.common.collect.Collections2;
-import com.google.common.collect.Iterables;
-import java.io.IOException;
-import java.util.Collections;
-import java.util.Date;
-import javassist.ClassPool;
-import javax.xml.stream.XMLOutputFactory;
-import javax.xml.stream.XMLStreamException;
-import javax.xml.stream.XMLStreamWriter;
-import javax.xml.transform.dom.DOMResult;
-import org.opendaylight.controller.config.util.xml.XmlUtil;
-import org.opendaylight.controller.netconf.notifications.NetconfNotification;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.$YangModuleInfoImpl;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.NetconfCapabilityChange;
-import org.opendaylight.yangtools.binding.data.codec.gen.impl.StreamWriterGenerator;
-import org.opendaylight.yangtools.binding.data.codec.impl.BindingNormalizedNodeCodecRegistry;
-import org.opendaylight.yangtools.sal.binding.generator.impl.ModuleInfoBackedContext;
-import org.opendaylight.yangtools.sal.binding.generator.util.BindingRuntimeContext;
-import org.opendaylight.yangtools.sal.binding.generator.util.JavassistUtils;
-import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
-import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeWriter;
-import org.opendaylight.yangtools.yang.data.impl.codec.xml.XMLStreamNormalizedNodeStreamWriter;
-import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-import org.opendaylight.yangtools.yang.model.api.SchemaPath;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.w3c.dom.Document;
-
-public final class NotificationsTransformUtil {
-
- private static final Logger LOG = LoggerFactory.getLogger(NotificationsTransformUtil.class);
-
- private NotificationsTransformUtil() {}
-
- static final SchemaContext NOTIFICATIONS_SCHEMA_CTX;
- static final BindingNormalizedNodeCodecRegistry CODEC_REGISTRY;
- static final XMLOutputFactory XML_FACTORY;
- static final RpcDefinition CREATE_SUBSCRIPTION_RPC;
-
- static final SchemaPath CAPABILITY_CHANGE_SCHEMA_PATH = SchemaPath.create(true, NetconfCapabilityChange.QNAME);
-
- static {
- XML_FACTORY = XMLOutputFactory.newFactory();
- XML_FACTORY.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, true);
-
- final ModuleInfoBackedContext moduleInfoBackedContext = ModuleInfoBackedContext.create();
- moduleInfoBackedContext.addModuleInfos(Collections.singletonList($YangModuleInfoImpl.getInstance()));
- moduleInfoBackedContext.addModuleInfos(Collections.singletonList(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.$YangModuleInfoImpl.getInstance()));
- final Optional<SchemaContext> schemaContextOptional = moduleInfoBackedContext.tryToCreateSchemaContext();
- Preconditions.checkState(schemaContextOptional.isPresent());
- NOTIFICATIONS_SCHEMA_CTX = schemaContextOptional.get();
-
- CREATE_SUBSCRIPTION_RPC = Preconditions.checkNotNull(findCreateSubscriptionRpc());
-
- Preconditions.checkNotNull(CREATE_SUBSCRIPTION_RPC);
-
- final JavassistUtils javassist = JavassistUtils.forClassPool(ClassPool.getDefault());
- CODEC_REGISTRY = new BindingNormalizedNodeCodecRegistry(StreamWriterGenerator.create(javassist));
- CODEC_REGISTRY.onBindingRuntimeContextUpdated(BindingRuntimeContext.create(moduleInfoBackedContext, NOTIFICATIONS_SCHEMA_CTX));
- }
-
- private static RpcDefinition findCreateSubscriptionRpc() {
- return Iterables.getFirst(Collections2.filter(NOTIFICATIONS_SCHEMA_CTX.getOperations(), new Predicate<RpcDefinition>() {
- @Override
- public boolean apply(final RpcDefinition input) {
- return input.getQName().getLocalName().equals(CreateSubscription.CREATE_SUBSCRIPTION);
- }
- }), null);
- }
-
- /**
- * Transform base notification for capabilities into NetconfNotification
- */
- public static NetconfNotification transform(final NetconfCapabilityChange capabilityChange) {
- return transform(capabilityChange, Optional.<Date>absent());
- }
-
- public static NetconfNotification transform(final NetconfCapabilityChange capabilityChange, final Date eventTime) {
- return transform(capabilityChange, Optional.fromNullable(eventTime));
- }
-
- private static NetconfNotification transform(final NetconfCapabilityChange capabilityChange, final Optional<Date> eventTime) {
- final ContainerNode containerNode = CODEC_REGISTRY.toNormalizedNodeNotification(capabilityChange);
- final DOMResult result = new DOMResult(XmlUtil.newDocument());
- try {
- writeNormalizedNode(containerNode, result, CAPABILITY_CHANGE_SCHEMA_PATH);
- } catch (final XMLStreamException| IOException e) {
- throw new IllegalStateException("Unable to serialize " + capabilityChange, e);
- }
- final Document node = (Document) result.getNode();
- return eventTime.isPresent() ?
- new NetconfNotification(node, eventTime.get()):
- new NetconfNotification(node);
- }
-
- static void writeNormalizedNode(final NormalizedNode<?, ?> normalized, final DOMResult result, final SchemaPath schemaPath) throws IOException, XMLStreamException {
- NormalizedNodeWriter normalizedNodeWriter = null;
- NormalizedNodeStreamWriter normalizedNodeStreamWriter = null;
- XMLStreamWriter writer = null;
- try {
- writer = XML_FACTORY.createXMLStreamWriter(result);
- normalizedNodeStreamWriter = XMLStreamNormalizedNodeStreamWriter.create(writer, NOTIFICATIONS_SCHEMA_CTX, schemaPath);
- normalizedNodeWriter = NormalizedNodeWriter.forStreamWriter(normalizedNodeStreamWriter);
-
- normalizedNodeWriter.write(normalized);
-
- normalizedNodeWriter.flush();
- } finally {
- try {
- if(normalizedNodeWriter != null) {
- normalizedNodeWriter.close();
- }
- if(normalizedNodeStreamWriter != null) {
- normalizedNodeStreamWriter.close();
- }
- if(writer != null) {
- writer.close();
- }
- } catch (final Exception e) {
- LOG.warn("Unable to close resource properly", e);
- }
- }
- }
-
-}