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.GET;
13 import javax.ws.rs.Path;
14 import javax.ws.rs.Produces;
15 import javax.ws.rs.core.MediaType;
16 import org.opendaylight.restconf.nb.rfc8040.MediaTypes;
17 import org.opendaylight.restconf.nb.rfc8040.databind.DatabindProvider;
18 import org.opendaylight.restconf.nb.rfc8040.legacy.NormalizedNodePayload;
19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.restconf.rev170126.Restconf;
20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev190104.YangLibrary;
21 import org.opendaylight.yangtools.yang.common.QName;
22 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
23 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
24 import org.opendaylight.yangtools.yang.model.util.SchemaInferenceStack;
27 * Service for getting the revision of {@code ietf-yang-library}.
30 public final class RestconfImpl {
31 private static final QName YANG_LIBRARY_VERSION = QName.create(Restconf.QNAME, "yang-library-version").intern();
32 private static final String YANG_LIBRARY_REVISION = YangLibrary.QNAME.getRevision().orElseThrow().toString();
34 private final DatabindProvider databindProvider;
36 public RestconfImpl(final DatabindProvider databindProvider) {
37 this.databindProvider = requireNonNull(databindProvider);
41 * Get revision of IETF YANG Library module.
43 * @return {@link NormalizedNodePayload}
46 @Path("/yang-library-version")
48 MediaTypes.APPLICATION_YANG_DATA_JSON,
49 MediaTypes.APPLICATION_YANG_DATA_XML,
50 MediaType.APPLICATION_JSON,
51 MediaType.APPLICATION_XML,
54 public NormalizedNodePayload getLibraryVersion() {
55 final EffectiveModelContext context = databindProvider.currentContext().modelContext();
57 final SchemaInferenceStack stack = SchemaInferenceStack.of(context);
58 // FIXME: use rc:data instantiation once the stack supports it
59 stack.enterGrouping(Restconf.QNAME);
60 stack.enterDataTree(Restconf.QNAME);
61 stack.enterDataTree(YANG_LIBRARY_VERSION);
63 return new NormalizedNodePayload(stack.toInference(),
64 ImmutableNodes.leafNode(YANG_LIBRARY_VERSION, YANG_LIBRARY_REVISION));