restconf/restconf-nb-rfc8040/src/main/java/org/opendaylight/restconf/nb/rfc8040/services/simple/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.nb.rfc8040.services.simple.impl;
   9
  10 import javax.ws.rs.Path;
  11 import org.opendaylight.restconf.common.context.InstanceIdentifierContext;
  12 import org.opendaylight.restconf.common.context.NormalizedNodeContext;
  13 import org.opendaylight.restconf.nb.rfc8040.Rfc8040.IetfYangLibrary;
  14 import org.opendaylight.restconf.nb.rfc8040.Rfc8040.RestconfModule;
  15 import org.opendaylight.restconf.nb.rfc8040.handlers.SchemaContextHandler;
  16 import org.opendaylight.restconf.nb.rfc8040.services.simple.api.RestconfService;
  17 import org.opendaylight.yangtools.yang.common.QName;
  18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  19 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  20 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
  21 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
  22 import org.opendaylight.yangtools.yang.model.api.GroupingDefinition;
  23 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
  24 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  25 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
  26
  27 @Path("/")
  28 public class RestconfImpl implements RestconfService {
  29
  30     private volatile SchemaContextHandler schemaContextHandler;
  31
  32     public RestconfImpl(final SchemaContextHandler schemaContextHandler) {
  33         this.schemaContextHandler = schemaContextHandler;
  34     }
  35
  36     @Override
  37     public NormalizedNodeContext getLibraryVersion() {
  38         final SchemaContext context = this.schemaContextHandler.get();
  39         SchemaNode schemaNode = null;
  40         for (final GroupingDefinition groupingDefinition : context
  41                 .findModule(RestconfModule.IETF_RESTCONF_QNAME.getModule()).get().getGroupings()) {
  42             if (groupingDefinition.getQName().equals(RestconfModule.RESTCONF_GROUPING_QNAME)) {
  43                 schemaNode = ((ContainerSchemaNode) groupingDefinition
  44                         .getDataChildByName(RestconfModule.RESTCONF_CONTAINER_QNAME))
  45                                 .getDataChildByName(RestconfModule.LIB_VER_LEAF_QNAME);
  46             }
  47         }
  48         final YangInstanceIdentifier yangIId = YangInstanceIdentifier.of(
  49                 QName.create(RestconfModule.IETF_RESTCONF_QNAME, RestconfModule.LIB_VER_LEAF_SCHEMA_NODE));
  50         final InstanceIdentifierContext<? extends SchemaNode> iid =
  51                 new InstanceIdentifierContext<>(yangIId, schemaNode, null, context);
  52         final NormalizedNode<?, ?> data =
  53                 Builders.leafBuilder((LeafSchemaNode) schemaNode).withValue(IetfYangLibrary.REVISION).build();
  54         return new NormalizedNodeContext(iid, data);
  55     }
  56
  57     @Override
  58     public synchronized void updateHandlers(final Object... handlers) {
  59         for (final Object object : handlers) {
  60             if (object instanceof SchemaContextHandler) {
  61                 schemaContextHandler = (SchemaContextHandler) object;
  62             }
  63         }
  64     }
  65 }