restconf/restconf-nb-bierman02/src/main/java/org/opendaylight/restconf/base/services/impl/RestconfImpl.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.base.services.impl;
   9
  10 import org.opendaylight.netconf.sal.restconf.impl.InstanceIdentifierContext;
  11 import org.opendaylight.netconf.sal.restconf.impl.NormalizedNodeContext;
  12 import org.opendaylight.restconf.Rfc8040.IetfYangLibrary;
  13 import org.opendaylight.restconf.Rfc8040.RestconfModule;
  14 import org.opendaylight.restconf.base.services.api.RestconfService;
  15 import org.opendaylight.restconf.handlers.SchemaContextHandler;
  16 import org.opendaylight.yangtools.yang.common.QName;
  17 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  18 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  19 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
  20 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
  21 import org.opendaylight.yangtools.yang.model.api.GroupingDefinition;
  22 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
  23 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  24 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
  25
  26 public class RestconfImpl implements RestconfService {
  27
  28     private final SchemaContextHandler schemaContextHandler;
  29
  30     public RestconfImpl(final SchemaContextHandler schemaContextHandler) {
  31         this.schemaContextHandler = schemaContextHandler;
  32     }
  33
  34     @Override
  35     public NormalizedNodeContext getLibraryVersion() {
  36         final SchemaContext context = this.schemaContextHandler.get();
  37         SchemaNode schemaNode = null;
  38         for (final GroupingDefinition groupingDefinition : context
  39                 .findModuleByNamespaceAndRevision(RestconfModule.URI_MODULE, RestconfModule.DATE).getGroupings()) {
  40             if (groupingDefinition.getQName().equals(RestconfModule.RESTCONF_GROUPING_QNAME)) {
  41                 schemaNode = ((ContainerSchemaNode) groupingDefinition
  42                         .getDataChildByName(RestconfModule.RESTCONF_CONTAINER_QNAME))
  43                                 .getDataChildByName(RestconfModule.LIB_VER_LEAF_QNAME);
  44             }
  45         }
  46         final YangInstanceIdentifier yangIId = YangInstanceIdentifier.of(
  47                 QName.create(RestconfModule.NAME, RestconfModule.REVISION, RestconfModule.LIB_VER_LEAF_SCHEMA_NODE));
  48         final InstanceIdentifierContext<? extends SchemaNode> iid =
  49                 new InstanceIdentifierContext<SchemaNode>(yangIId, schemaNode, null, context);
  50         final NormalizedNode<?, ?> data =
  51                 Builders.leafBuilder((LeafSchemaNode) schemaNode).withValue(IetfYangLibrary.REVISION).build();
  52         return new NormalizedNodeContext(iid, data);
  53     }
  54 }