restconf/sal-rest-connector/src/main/java/org/opendaylight/restconf/utils/mapping/RestconfMappingNodeUtil.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.restconf.utils.mapping;
   9
  10 import java.net.URI;
  11 import java.time.Instant;
  12 import java.time.OffsetDateTime;
  13 import java.time.ZoneId;
  14 import java.time.format.DateTimeFormatter;
  15 import java.util.Collection;
  16 import java.util.Set;
  17 import org.opendaylight.netconf.sal.restconf.impl.RestconfDocumentedException;
  18 import org.opendaylight.restconf.Rfc8040.IetfYangLibrary;
  19 import org.opendaylight.restconf.Rfc8040.MonitoringModule;
  20 import org.opendaylight.restconf.Rfc8040.MonitoringModule.QueryParams;
  21 import org.opendaylight.restconf.utils.parser.ParserIdentifier;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.module.list.Module.ConformanceType;
  23 import org.opendaylight.yangtools.yang.common.QName;
  24 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  25 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  26 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
  27 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
  28 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  29 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
  30 import org.opendaylight.yangtools.yang.data.api.schema.LeafSetEntryNode;
  31 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  32 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
  33 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  34 import org.opendaylight.yangtools.yang.data.api.schema.OrderedMapNode;
  35 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
  36 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.CollectionNodeBuilder;
  37 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeAttrBuilder;
  38 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.ListNodeBuilder;
  39 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
  40 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
  41 import org.opendaylight.yangtools.yang.model.api.Deviation;
  42 import org.opendaylight.yangtools.yang.model.api.FeatureDefinition;
  43 import org.opendaylight.yangtools.yang.model.api.GroupingDefinition;
  44 import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
  45 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
  46 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
  47 import org.opendaylight.yangtools.yang.model.api.Module;
  48 import org.opendaylight.yangtools.yang.model.api.NotificationDefinition;
  49 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  50 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
  51
  52 /**
  53  * Util class for mapping nodes
  54  *
  55  */
  56 public final class RestconfMappingNodeUtil {
  57
  58     private RestconfMappingNodeUtil() {
  59         throw new UnsupportedOperationException("Util class");
  60     }
  61
  62     /**
  63      * Map data from modules to {@link NormalizedNode}
  64      *
  65      * @param modules
  66      *            - modules for mapping
  67      * @param ietfYangLibraryModule
  68      *            - ietf-yang-library module
  69      * @param context
  70      *            - schema context
  71      * @param moduleSetId
  72      *            - module-set-id of actual set
  73      * @return mapped data as {@link NormalizedNode}
  74      */
  75     public static NormalizedNode<NodeIdentifier, Collection<DataContainerChild<? extends PathArgument, ?>>>
  76             mapModulesByIetfYangLibraryYang(final Set<Module> modules, final Module ietfYangLibraryModule,
  77                     final SchemaContext context, final String moduleSetId) {
  78         final DataSchemaNode modulesStateSch =
  79                 ietfYangLibraryModule.getDataChildByName(IetfYangLibrary.MODUELS_STATE_CONT_QNAME);
  80         final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> modulesStateBuilder =
  81                 Builders.containerBuilder((ContainerSchemaNode) modulesStateSch);
  82
  83         final DataSchemaNode moduleSetIdSch =
  84                 ((ContainerSchemaNode) modulesStateSch).getDataChildByName(IetfYangLibrary.MODULE_SET_ID_LEAF_QNAME);
  85         modulesStateBuilder
  86                 .withChild(Builders.leafBuilder((LeafSchemaNode) moduleSetIdSch).withValue(moduleSetId).build());
  87
  88         final DataSchemaNode moduleSch = findNodeInGroupings(IetfYangLibrary.MODULE_QNAME_LIST, ietfYangLibraryModule);
  89         final CollectionNodeBuilder<MapEntryNode, OrderedMapNode> mapBuilder =
  90                 Builders.orderedMapBuilder((ListSchemaNode) moduleSch);
  91         for (final Module module : context.getModules()) {
  92             fillMapByModules(mapBuilder, moduleSch, false, module, ietfYangLibraryModule, context);
  93         }
  94         return modulesStateBuilder.withChild(mapBuilder.build()).build();
  95     }
  96
  97     /**
  98      * Map data by the specific module or submodule
  99      *
 100      * @param mapBuilder
 101      *            - ordered list builder for children
 102      * @param moduleSch
 103      *            - schema of list for entryMapBuilder
 104      * @param isSubmodule
 105      *            - true if module is specified as submodule, false otherwise
 106      * @param module
 107      *            - specific module or submodule
 108      * @param ietfYangLibraryModule
 109      *            - ietf-yang-library module
 110      * @param context
 111      *            - schema context
 112      */
 113     private static void fillMapByModules(final CollectionNodeBuilder<MapEntryNode, OrderedMapNode> mapBuilder,
 114             final DataSchemaNode moduleSch, final boolean isSubmodule, final Module module,
 115             final Module ietfYangLibraryModule, final SchemaContext context) {
 116         final DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> mapEntryBuilder =
 117                 Builders.mapEntryBuilder((ListSchemaNode) moduleSch);
 118         addCommonLeafs(module, mapEntryBuilder, ietfYangLibraryModule);
 119         addChildOfModuleBySpecificModuleInternal(
 120                 IetfYangLibrary.SPECIFIC_MODULE_SCHEMA_LEAF_QNAME, mapEntryBuilder, IetfYangLibrary.BASE_URI_OF_SCHEMA
 121                         + module.getName() + "/" + module.getQNameModule().getFormattedRevision(),
 122                 ietfYangLibraryModule);
 123         if (!isSubmodule) {
 124             addChildOfModuleBySpecificModuleOfListChild(IetfYangLibrary.SPECIFIC_MODULE_NAMESPACE_LEAF_QNAME,
 125                     mapEntryBuilder, module.getNamespace().toString(), ietfYangLibraryModule);
 126
 127             // features - not mandatory
 128             if ((module.getFeatures() != null) && !module.getFeatures().isEmpty()) {
 129                 addFeatureLeafList(IetfYangLibrary.SPECIFIC_MODULE_FEATURE_LEAF_LIST_QNAME, mapEntryBuilder,
 130                         module.getFeatures(), ietfYangLibraryModule);
 131             }
 132             // deviations - not mandatory
 133             if ((module.getDeviations() != null) && !module.getDeviations().isEmpty()) {
 134                 addDeviationList(module, mapEntryBuilder, ietfYangLibraryModule, context);
 135                 addChildOfModuleBySpecificModuleOfListChild(IetfYangLibrary.SPECIFIC_MODULE_CONFORMANCE_LEAF_QNAME,
 136                         mapEntryBuilder, ConformanceType.Implement.getName(), ietfYangLibraryModule);
 137             } else {
 138                 addChildOfModuleBySpecificModuleOfListChild(IetfYangLibrary.SPECIFIC_MODULE_CONFORMANCE_LEAF_QNAME,
 139                         mapEntryBuilder, ConformanceType.Import.getName(), ietfYangLibraryModule);
 140             }
 141             // submodules - not mandatory
 142             if ((module.getSubmodules() != null) && !module.getSubmodules().isEmpty()) {
 143                 addSubmodules(module, mapEntryBuilder, ietfYangLibraryModule, context);
 144             }
 145         }
 146         mapBuilder.withChild(mapEntryBuilder.build());
 147     }
 148
 149     /**
 150      * Mapping submodules of specific module
 151      *
 152      * @param module
 153      *            - module with submodules
 154      * @param mapEntryBuilder
 155      *            - mapEntryBuilder of parent for mapping children
 156      * @param ietfYangLibraryModule
 157      *            - ietf-yang-library module
 158      * @param context
 159      *            - schema context
 160      */
 161     private static void addSubmodules(final Module module,
 162             final DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> mapEntryBuilder,
 163             final Module ietfYangLibraryModule, final SchemaContext context) {
 164         final DataSchemaNode listSubm = findSchemaInListOfModulesSchema(
 165                 IetfYangLibrary.SPECIFIC_MODULE_SUBMODULE_LIST_QNAME, ietfYangLibraryModule);
 166         final CollectionNodeBuilder<MapEntryNode, OrderedMapNode> mapBuilder =
 167                 Builders.orderedMapBuilder((ListSchemaNode) listSubm);
 168         for (final Module submodule : module.getSubmodules()) {
 169             fillMapByModules(mapBuilder, listSubm, true, submodule, ietfYangLibraryModule, context);
 170         }
 171         mapEntryBuilder.withChild(mapBuilder.build());
 172     }
 173
 174     /**
 175      * Mapping deviations of specific module
 176      *
 177      * @param module
 178      *            - module with deviations
 179      * @param mapEntryBuilder
 180      *            - mapEntryBuilder of parent for mapping children
 181      * @param ietfYangLibraryModule
 182      *            - ietf-yang-library module
 183      * @param context
 184      *            - schema context
 185      */
 186     private static void addDeviationList(final Module module,
 187             final DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> mapEntryBuilder,
 188             final Module ietfYangLibraryModule, final SchemaContext context) {
 189         final DataSchemaNode deviationsSchema = findSchemaInListOfModulesSchema(
 190                 IetfYangLibrary.SPECIFIC_MODULE_DEVIATION_LIST_QNAME, ietfYangLibraryModule);
 191         final CollectionNodeBuilder<MapEntryNode, MapNode> deviations =
 192                 Builders.mapBuilder((ListSchemaNode) deviationsSchema);
 193         for (final Deviation deviation : module.getDeviations()) {
 194             final DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> deviationEntryNode =
 195                     Builders.mapEntryBuilder((ListSchemaNode) deviationsSchema);
 196             final QName lastComponent = deviation.getTargetPath().getLastComponent();
 197             addChildOfModuleBySpecificModule(IetfYangLibrary.SPECIFIC_MODULE_NAME_LEAF_QNAME, deviationEntryNode,
 198                     context.findModuleByNamespaceAndRevision(lastComponent.getNamespace(), lastComponent.getRevision())
 199                             .getName(),
 200                     ietfYangLibraryModule);
 201             addChildOfModuleBySpecificModule(IetfYangLibrary.SPECIFIC_MODULE_REVISION_LEAF_QNAME, deviationEntryNode,
 202                     lastComponent.getRevision(), ietfYangLibraryModule);
 203             deviations.withChild(deviationEntryNode.build());
 204         }
 205         mapEntryBuilder.withChild(deviations.build());
 206     }
 207
 208     /**
 209      * Mapping features of specific module
 210      *
 211      * @param qnameOfFeaturesLeafList
 212      *            - qname of feature leaf-list in ietf-yang-library module
 213      * @param mapEntryBuilder
 214      *            - mapEntryBuilder of parent for mapping children
 215      * @param features
 216      *            - features of specific module
 217      * @param ietfYangLibraryModule
 218      *            - ieat-yang-library module
 219      */
 220     private static void addFeatureLeafList(final QName qnameOfFeaturesLeafList,
 221             final DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> mapEntryBuilder,
 222             final Set<FeatureDefinition> features, final Module ietfYangLibraryModule) {
 223         final DataSchemaNode schemaNode =
 224                 findSchemaInListOfModulesSchema(qnameOfFeaturesLeafList, ietfYangLibraryModule);
 225         final ListNodeBuilder<Object, LeafSetEntryNode<Object>> leafSetBuilder =
 226                 Builders.leafSetBuilder((LeafListSchemaNode) schemaNode);
 227         for (final FeatureDefinition feature : features) {
 228             leafSetBuilder.withChild(Builders.leafSetEntryBuilder((LeafListSchemaNode) schemaNode)
 229                     .withValue(feature.getQName().getLocalName()).build());
 230         }
 231         mapEntryBuilder.withChild(leafSetBuilder.build());
 232     }
 233
 234     /**
 235      * Mapping common leafs (grouping common-leafs in ietf-yang-library) of
 236      * specific module
 237      *
 238      * @param module
 239      *            - specific module for getting name and revision
 240      * @param mapEntryBuilder
 241      *            - mapEntryBuilder of parent for mapping children
 242      * @param ietfYangLibraryModule
 243      *            - ietf-yang-library module
 244      */
 245     private static void addCommonLeafs(final Module module,
 246             final DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> mapEntryBuilder,
 247             final Module ietfYangLibraryModule) {
 248         addChildOfModuleBySpecificModuleInternal(IetfYangLibrary.SPECIFIC_MODULE_NAME_LEAF_QNAME, mapEntryBuilder,
 249                 module.getName(), ietfYangLibraryModule);
 250         addChildOfModuleBySpecificModuleInternal(IetfYangLibrary.SPECIFIC_MODULE_REVISION_LEAF_QNAME, mapEntryBuilder,
 251                 module.getQNameModule().getFormattedRevision(), ietfYangLibraryModule);
 252     }
 253
 254     /**
 255      * Mapping data child of grouping module-list by ietf-yang-library
 256      *
 257      * @param specificQName
 258      *            - qname of leaf in module-list grouping
 259      * @param mapEntryBuilder
 260      *            - mapEntryBuilder of parent for mapping children
 261      * @param value
 262      *            - value of leaf
 263      * @param ietfYangLibraryModule
 264      *            - ietf-yang-library module
 265      */
 266     private static void addChildOfModuleBySpecificModuleOfListChild(final QName specificQName,
 267             final DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> mapEntryBuilder,
 268             final Object value, final Module ietfYangLibraryModule) {
 269         final DataSchemaNode leafSch = findSchemaInListOfModulesSchema(specificQName, ietfYangLibraryModule);
 270         mapEntryBuilder.withChild(Builders.leafBuilder((LeafSchemaNode) leafSch).withValue(value).build());
 271     }
 272
 273     /**
 274      * Find specific schema in gourping module-lsit
 275      *
 276      * @param specificQName
 277      *            - qname of schema
 278      * @param ietfYangLibraryModule
 279      *            - ietf-yang-library module
 280      * @return schemaNode of specific child
 281      */
 282     private static DataSchemaNode findSchemaInListOfModulesSchema(final QName specificQName,
 283             final Module ietfYangLibraryModule) {
 284         for (final GroupingDefinition groupingDefinition : ietfYangLibraryModule.getGroupings()) {
 285             if (groupingDefinition.getQName().equals(IetfYangLibrary.GROUPING_MODULE_LIST_QNAME)) {
 286                 final DataSchemaNode dataChildByName =
 287                         groupingDefinition.getDataChildByName(IetfYangLibrary.MODULE_QNAME_LIST);
 288                 return ((ListSchemaNode) dataChildByName).getDataChildByName(specificQName);
 289             }
 290         }
 291         throw new RestconfDocumentedException(specificQName.getLocalName() + " doesn't exist.");
 292     }
 293
 294     /**
 295      * Mapping data child of internal groupings in module-list grouping
 296      *
 297      * @param specifiLeafQName
 298      *            - qnmae of leaf for mapping
 299      * @param mapEntryBuilder
 300      *            - mapEntryBuilder of parent for mapping children
 301      * @param value
 302      *            - value of leaf
 303      * @param ietfYangLibraryModule
 304      *            - ietf-yang-library module
 305      */
 306     private static void addChildOfModuleBySpecificModuleInternal(final QName specifiLeafQName,
 307             final DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> mapEntryBuilder,
 308             final Object value, final Module ietfYangLibraryModule) {
 309         final DataSchemaNode nameLeaf = findNodeInInternGroupings(specifiLeafQName, ietfYangLibraryModule);
 310         mapEntryBuilder.withChild(Builders.leafBuilder((LeafSchemaNode) nameLeaf).withValue(value).build());
 311     }
 312
 313     /**
 314      * Find schema node of leaf by qname in internal groupings of module-list
 315      * grouping
 316      *
 317      * @param qnameOfSchema
 318      *            - qname of leaf
 319      * @param ietfYangLibraryModule
 320      *            - ietf-yang-library module
 321      * @return schema node of specific leaf
 322      */
 323     private static DataSchemaNode findNodeInInternGroupings(final QName qnameOfSchema,
 324             final Module ietfYangLibraryModule) {
 325         for (final GroupingDefinition groupingDefinition : ietfYangLibraryModule.getGroupings()) {
 326             if (groupingDefinition.getQName().equals(IetfYangLibrary.GROUPING_MODULE_LIST_QNAME)) {
 327                 for (final GroupingDefinition internalGrouping : groupingDefinition.getGroupings()) {
 328                     if (internalGrouping.getDataChildByName(qnameOfSchema) != null) {
 329                         return internalGrouping.getDataChildByName(qnameOfSchema);
 330                     }
 331                 }
 332             }
 333         }
 334         throw new RestconfDocumentedException(qnameOfSchema.getLocalName() + " doesn't exist.");
 335     }
 336
 337     /**
 338      * Mapping childrens of list-module
 339      *
 340      * @param specifiLeafQName
 341      *            - qname of leaf
 342      * @param mapEntryBuilder
 343      *            - maptEntryBuilder of parent for mapping children
 344      * @param value
 345      *            - valeu of leaf
 346      * @param ietfYangLibraryModule
 347      *            - ietf-yang-library module
 348      */
 349     private static void addChildOfModuleBySpecificModule(final QName specifiLeafQName,
 350             final DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> mapEntryBuilder,
 351             final Object value, final Module ietfYangLibraryModule) {
 352         final DataSchemaNode nameLeaf = findNodeInGroupings(specifiLeafQName, ietfYangLibraryModule);
 353         mapEntryBuilder.withChild(Builders.leafBuilder((LeafSchemaNode) nameLeaf).withValue(value).build());
 354     }
 355
 356     /**
 357      * Find schema of specific leaf in list-module grouping
 358      *
 359      * @param qnameOfSchema
 360      *            - qname of leaf
 361      * @param ietfYangLibraryModule
 362      *            - ietf-yang-library module
 363      * @return schemaNode of specific leaf
 364      */
 365     private static DataSchemaNode findNodeInGroupings(final QName qnameOfSchema, final Module ietfYangLibraryModule) {
 366         for (final GroupingDefinition groupingDefinition : ietfYangLibraryModule.getGroupings()) {
 367             if (groupingDefinition.getDataChildByName(qnameOfSchema) != null) {
 368                 return groupingDefinition.getDataChildByName(qnameOfSchema);
 369             }
 370         }
 371         throw new RestconfDocumentedException(qnameOfSchema.getLocalName() + " doesn't exist.");
 372     }
 373
 374     /**
 375      * Map capabilites by ietf-restconf-monitoring
 376      *
 377      * @param monitoringModule
 378      *            - ietf-restconf-monitoring module
 379      * @return mapped capabilites
 380      */
 381     public static NormalizedNode<NodeIdentifier, Collection<DataContainerChild<? extends PathArgument, ?>>>
 382             mapCapabilites(final Module monitoringModule) {
 383         final DataSchemaNode restconfState =
 384                 monitoringModule.getDataChildByName(MonitoringModule.CONT_RESTCONF_STATE_QNAME);
 385         final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> restStateContBuilder =
 386                 Builders.containerBuilder((ContainerSchemaNode) restconfState);
 387         final DataSchemaNode capabilitesContSchema =
 388                 getChildOfCont((ContainerSchemaNode) restconfState, MonitoringModule.CONT_CAPABILITES_QNAME);
 389         final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> capabilitesContBuilder =
 390                 Builders.containerBuilder((ContainerSchemaNode) capabilitesContSchema);
 391         final DataSchemaNode leafListCapa = getChildOfCont((ContainerSchemaNode) capabilitesContSchema,
 392                 MonitoringModule.LEAF_LIST_CAPABILITY_QNAME);
 393         final ListNodeBuilder<Object, LeafSetEntryNode<Object>> leafListCapaBuilder =
 394                 Builders.orderedLeafSetBuilder((LeafListSchemaNode) leafListCapa);
 395         fillLeafListCapa(leafListCapaBuilder, (LeafListSchemaNode) leafListCapa);
 396
 397         return restStateContBuilder.withChild(capabilitesContBuilder.withChild(leafListCapaBuilder.build()).build())
 398                 .build();
 399     }
 400
 401     /**
 402      * Map data to leaf-list
 403      *
 404      * @param builder
 405      *            - builder of parent for children
 406      * @param leafListSchema
 407      */
 408     @SuppressWarnings({ "unchecked", "rawtypes" })
 409     private static void fillLeafListCapa(final ListNodeBuilder builder, final LeafListSchemaNode leafListSchema) {
 410         builder.withChild(leafListEntryBuild(leafListSchema, QueryParams.DEPTH));
 411         builder.withChild(leafListEntryBuild(leafListSchema, QueryParams.FIELDS));
 412         builder.withChild(leafListEntryBuild(leafListSchema, QueryParams.FILTER));
 413         builder.withChild(leafListEntryBuild(leafListSchema, QueryParams.REPLAY));
 414         builder.withChild(leafListEntryBuild(leafListSchema, QueryParams.WITH_DEFAULTS));
 415     }
 416
 417     /**
 418      * Map value to leaf list entry node
 419      *
 420      * @param leafListSchema
 421      *            - leaf list schema of leaf list entry
 422      * @param value
 423      *            - value of leaf entry
 424      * @return entry node
 425      */
 426     @SuppressWarnings("rawtypes")
 427     private static LeafSetEntryNode leafListEntryBuild(final LeafListSchemaNode leafListSchema, final String value) {
 428         return Builders.leafSetEntryBuilder(leafListSchema).withValue(value).build();
 429     }
 430
 431     /**
 432      * Find specific schema node by qname in parent {@link ContainerSchemaNode}
 433      *
 434      * @param parent
 435      *            - schemaNode
 436      * @param childQName
 437      *            - specific qname of child
 438      * @return schema node of child by qname
 439      */
 440     private static DataSchemaNode getChildOfCont(final ContainerSchemaNode parent, final QName childQName) {
 441         for (final DataSchemaNode child : parent.getChildNodes()) {
 442             if (child.getQName().equals(childQName)) {
 443                 return child;
 444             }
 445         }
 446         throw new RestconfDocumentedException(
 447                 childQName.getLocalName() + " doesn't exist in container " + MonitoringModule.CONT_RESTCONF_STATE_NAME);
 448     }
 449
 450     /**
 451      * Map data of yang notification to normalized node according to
 452      * ietf-restconf-monitoring
 453      *
 454      * @param notifiQName
 455      *            - qname of notification from listener
 456      * @param notifications
 457      *            - list of notifications for find schema of notification by
 458      *            notifiQName
 459      * @param start
 460      *            - start-time query parameter of notification
 461      * @param outputType
 462      *            - output type of notification
 463      * @param uri
 464      *            - location of registered listener for sending data of
 465      *            notification
 466      * @param monitoringModule
 467      *            - ietf-restconf-monitoring module
 468      * @param existParent
 469      *            - true if data of parent -
 470      *            ietf-restconf-monitoring:restconf-state/streams - exist in DS
 471      * @return mapped data of notification - map entry node if parent exists,
 472      *         container streams with list and map entry node if not
 473      */
 474     @SuppressWarnings("rawtypes")
 475     public static NormalizedNode mapYangNotificationStreamByIetfRestconfMonitoring(final QName notifiQName,
 476             final Set<NotificationDefinition> notifications, final Instant start, final String outputType,
 477             final URI uri, final Module monitoringModule, final boolean existParent) {
 478         for (final NotificationDefinition notificationDefinition : notifications) {
 479             if (notificationDefinition.getQName().equals(notifiQName)) {
 480                 final DataSchemaNode streamListSchema = ((ContainerSchemaNode) ((ContainerSchemaNode) monitoringModule
 481                         .getDataChildByName(MonitoringModule.CONT_RESTCONF_STATE_QNAME))
 482                                 .getDataChildByName(MonitoringModule.CONT_STREAMS_QNAME))
 483                                         .getDataChildByName(MonitoringModule.LIST_STREAM_QNAME);
 484                 final DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> streamEntry =
 485                         Builders.mapEntryBuilder((ListSchemaNode) streamListSchema);
 486
 487                 final ListSchemaNode listSchema = ((ListSchemaNode) streamListSchema);
 488                 prepareLeafAndFillEntryBuilder(streamEntry,
 489                         listSchema.getDataChildByName(MonitoringModule.LEAF_NAME_STREAM_QNAME),
 490                         notificationDefinition.getQName().getLocalName());
 491                 if ((notificationDefinition.getDescription() != null)
 492                         && !notificationDefinition.getDescription().equals("")) {
 493                     prepareLeafAndFillEntryBuilder(streamEntry,
 494                             listSchema.getDataChildByName(MonitoringModule.LEAF_DESCR_STREAM_QNAME),
 495                             notificationDefinition.getDescription());
 496                 }
 497                 prepareLeafAndFillEntryBuilder(streamEntry,
 498                         listSchema.getDataChildByName(MonitoringModule.LEAF_REPLAY_SUPP_STREAM_QNAME), true);
 499                 if (start != null) {
 500                     prepareLeafAndFillEntryBuilder(streamEntry,
 501                         listSchema.getDataChildByName(MonitoringModule.LEAF_START_TIME_STREAM_QNAME),
 502                         DateTimeFormatter.ISO_OFFSET_DATE_TIME.format(OffsetDateTime.ofInstant(start,
 503                             ZoneId.systemDefault())));
 504                 }
 505                 prepareListAndFillEntryBuilder(streamEntry,
 506                         (ListSchemaNode) listSchema.getDataChildByName(MonitoringModule.LIST_ACCESS_STREAM_QNAME),
 507                         outputType, uri);
 508
 509                 if (!existParent) {
 510                     final DataSchemaNode contStreamsSchema = ((ContainerSchemaNode) monitoringModule
 511                             .getDataChildByName(MonitoringModule.CONT_RESTCONF_STATE_QNAME))
 512                                     .getDataChildByName(MonitoringModule.CONT_STREAMS_QNAME);
 513                     return Builders.containerBuilder((ContainerSchemaNode) contStreamsSchema).withChild(Builders
 514                             .mapBuilder((ListSchemaNode) streamListSchema).withChild(streamEntry.build()).build())
 515                             .build();
 516                 }
 517                 return streamEntry.build();
 518             }
 519         }
 520
 521         throw new RestconfDocumentedException(notifiQName + " doesn't exist in any modul");
 522     }
 523
 524     private static void prepareListAndFillEntryBuilder(
 525             final DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> streamEntry,
 526             final ListSchemaNode listSchemaNode, final String outputType, final URI uriToWebsocketServer) {
 527         final CollectionNodeBuilder<MapEntryNode, MapNode> accessListBuilder = Builders.mapBuilder(listSchemaNode);
 528         final DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> entryAccessList =
 529                 Builders.mapEntryBuilder(listSchemaNode);
 530         prepareLeafAndFillEntryBuilder(entryAccessList,
 531                 listSchemaNode.getDataChildByName(MonitoringModule.LEAF_ENCODING_ACCESS_QNAME), outputType);
 532         prepareLeafAndFillEntryBuilder(entryAccessList,
 533                 listSchemaNode.getDataChildByName(MonitoringModule.LEAF_LOCATION_ACCESS_QNAME),
 534                 uriToWebsocketServer.toString());
 535         streamEntry.withChild(accessListBuilder.withChild(entryAccessList.build()).build());
 536     }
 537
 538     /**
 539      * @param streamEntry
 540      * @param dataChildByName
 541      * @param localName
 542      */
 543     private static void prepareLeafAndFillEntryBuilder(
 544             final DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> streamEntry,
 545             final DataSchemaNode leafSchema, final Object value) {
 546         streamEntry.withChild(Builders.leafBuilder((LeafSchemaNode) leafSchema).withValue(value).build());
 547     }
 548
 549     /**
 550      * Map data of data change notification to normalized node according to
 551      * ietf-restconf-monitoring
 552      *
 553      * @param path
 554      *            - path of data to listen on
 555      * @param start
 556      *            - start-time query parameter of notification
 557      * @param outputType
 558      *            - output type of notification
 559      * @param uri
 560      *            - location of registered listener for sending data of
 561      *            notification
 562      * @param monitoringModule
 563      *            - ietf-restconf-monitoring module
 564      * @param existParent
 565      *            - true if data of parent -
 566      *            ietf-restconf-monitoring:restconf-state/streams - exist in DS
 567      * @param schemaContext
 568      *            - schemaContext for parsing instance identifier to get schema
 569      *            node of data
 570      * @return mapped data of notification - map entry node if parent exists,
 571      *         container streams with list and map entry node if not
 572      */
 573     @SuppressWarnings("rawtypes")
 574     public static NormalizedNode mapDataChangeNotificationStreamByIetfRestconfMonitoring(
 575             final YangInstanceIdentifier path, final Instant start, final String outputType, final URI uri,
 576             final Module monitoringModule, final boolean existParent, final SchemaContext schemaContext) {
 577         final SchemaNode schemaNode = ParserIdentifier
 578                 .toInstanceIdentifier(ParserIdentifier.stringFromYangInstanceIdentifier(path, schemaContext),
 579                         schemaContext, null)
 580                 .getSchemaNode();
 581         final DataSchemaNode streamListSchema = ((ContainerSchemaNode) ((ContainerSchemaNode) monitoringModule
 582                 .getDataChildByName(MonitoringModule.CONT_RESTCONF_STATE_QNAME))
 583                         .getDataChildByName(MonitoringModule.CONT_STREAMS_QNAME))
 584                                 .getDataChildByName(MonitoringModule.LIST_STREAM_QNAME);
 585         final DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> streamEntry =
 586                 Builders.mapEntryBuilder((ListSchemaNode) streamListSchema);
 587
 588         final ListSchemaNode listSchema = ((ListSchemaNode) streamListSchema);
 589         prepareLeafAndFillEntryBuilder(streamEntry,
 590                 listSchema.getDataChildByName(MonitoringModule.LEAF_NAME_STREAM_QNAME),
 591                 schemaNode.getQName().getLocalName());
 592         if ((schemaNode.getDescription() != null) && !schemaNode.getDescription().equals("")) {
 593             prepareLeafAndFillEntryBuilder(streamEntry,
 594                     listSchema.getDataChildByName(MonitoringModule.LEAF_DESCR_STREAM_QNAME),
 595                     schemaNode.getDescription());
 596         }
 597         prepareLeafAndFillEntryBuilder(streamEntry,
 598                 listSchema.getDataChildByName(MonitoringModule.LEAF_REPLAY_SUPP_STREAM_QNAME), true);
 599         prepareLeafAndFillEntryBuilder(streamEntry,
 600                 listSchema.getDataChildByName(MonitoringModule.LEAF_START_TIME_STREAM_QNAME),
 601                 DateTimeFormatter.ISO_OFFSET_DATE_TIME.format(OffsetDateTime.ofInstant(start, ZoneId.systemDefault())));
 602         prepareListAndFillEntryBuilder(streamEntry,
 603                 (ListSchemaNode) listSchema.getDataChildByName(MonitoringModule.LIST_ACCESS_STREAM_QNAME), outputType,
 604                 uri);
 605
 606         if (!existParent) {
 607             final DataSchemaNode contStreamsSchema = ((ContainerSchemaNode) monitoringModule
 608                     .getDataChildByName(MonitoringModule.CONT_RESTCONF_STATE_QNAME))
 609                             .getDataChildByName(MonitoringModule.CONT_STREAMS_QNAME);
 610             return Builders
 611                     .containerBuilder((ContainerSchemaNode) contStreamsSchema).withChild(Builders
 612                             .mapBuilder((ListSchemaNode) streamListSchema).withChild(streamEntry.build()).build())
 613                     .build();
 614         }
 615         return streamEntry.build();
 616     }
 617 }