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.restconf.nb.rfc8040.rests.services.impl;
10 import static java.util.Objects.requireNonNull;
12 import javax.ws.rs.Path;
13 import org.opendaylight.restconf.common.context.InstanceIdentifierContext;
14 import org.opendaylight.restconf.nb.rfc8040.Rfc8040.IetfYangLibrary;
15 import org.opendaylight.restconf.nb.rfc8040.handlers.SchemaContextHandler;
16 import org.opendaylight.restconf.nb.rfc8040.legacy.NormalizedNodePayload;
17 import org.opendaylight.restconf.nb.rfc8040.rests.services.api.RestconfService;
18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.restconf.rev170126.Restconf;
19 import org.opendaylight.yangtools.yang.common.QName;
20 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
21 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
22 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
23 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
24 import org.opendaylight.yangtools.yang.model.api.GroupingDefinition;
25 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
28 public class RestconfImpl implements RestconfService {
29 private static final QName YANG_LIBRARY_VERSION = QName.create(Restconf.QNAME, "yang-library-version").intern();
31 private final SchemaContextHandler schemaContextHandler;
33 public RestconfImpl(final SchemaContextHandler schemaContextHandler) {
34 this.schemaContextHandler = requireNonNull(schemaContextHandler);
38 public NormalizedNodePayload getLibraryVersion() {
39 final EffectiveModelContext context = schemaContextHandler.get();
41 // FIXME: why are we going through a grouping here?!
42 final GroupingDefinition grouping = context
43 .findModule(Restconf.QNAME.getModule())
44 .orElseThrow(() -> new IllegalStateException("Failed to find restcibf module"))
45 .getGroupings().stream()
46 .filter(grp -> Restconf.QNAME.equals(grp.getQName()))
48 .orElseThrow(() -> new IllegalStateException("Failed to find restconf grouping"));
50 final LeafSchemaNode schemaNode =
51 (LeafSchemaNode) ((ContainerSchemaNode) grouping.getDataChildByName(Restconf.QNAME))
52 .getDataChildByName(YANG_LIBRARY_VERSION);
54 return NormalizedNodePayload.of(new InstanceIdentifierContext<>(
55 YangInstanceIdentifier.of(YANG_LIBRARY_VERSION), schemaNode, null, context),
56 ImmutableNodes.leafNode(YANG_LIBRARY_VERSION, IetfYangLibrary.REVISION.toString()));