restconf/restconf-nb-rfc8040/src/main/java/org/opendaylight/restconf/nb/rfc8040/rests/services/impl/RestconfInvokeOperationsServiceImpl.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.rests.services.impl;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import java.net.URI;
  13 import java.util.Optional;
  14 import javax.ws.rs.Path;
  15 import javax.ws.rs.WebApplicationException;
  16 import javax.ws.rs.core.Response;
  17 import javax.ws.rs.core.UriInfo;
  18 import org.opendaylight.mdsal.dom.api.DOMMountPoint;
  19 import org.opendaylight.mdsal.dom.api.DOMRpcResult;
  20 import org.opendaylight.mdsal.dom.api.DOMRpcService;
  21 import org.opendaylight.mdsal.dom.api.DOMSchemaService;
  22 import org.opendaylight.restconf.common.context.InstanceIdentifierContext;
  23 import org.opendaylight.restconf.common.context.NormalizedNodeContext;
  24 import org.opendaylight.restconf.common.errors.RestconfDocumentedException;
  25 import org.opendaylight.restconf.common.errors.RestconfError.ErrorTag;
  26 import org.opendaylight.restconf.common.errors.RestconfError.ErrorType;
  27 import org.opendaylight.restconf.nb.rfc8040.handlers.SchemaContextHandler;
  28 import org.opendaylight.restconf.nb.rfc8040.rests.services.api.RestconfInvokeOperationsService;
  29 import org.opendaylight.restconf.nb.rfc8040.rests.utils.RestconfInvokeOperationsUtil;
  30 import org.opendaylight.restconf.nb.rfc8040.rests.utils.RestconfStreamsConstants;
  31 import org.opendaylight.yangtools.yang.common.QName;
  32 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  33 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  34 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
  35 import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
  36
  37 /**
  38  * Implementation of {@link RestconfInvokeOperationsService}.
  39  *
  40  */
  41 @Path("/")
  42 public class RestconfInvokeOperationsServiceImpl implements RestconfInvokeOperationsService {
  43     private final DOMRpcService rpcService;
  44     private final SchemaContextHandler schemaContextHandler;
  45
  46     public RestconfInvokeOperationsServiceImpl(final DOMRpcService rpcService,
  47             final SchemaContextHandler schemaContextHandler) {
  48         this.rpcService = requireNonNull(rpcService);
  49         this.schemaContextHandler = requireNonNull(schemaContextHandler);
  50     }
  51
  52     @Override
  53     public NormalizedNodeContext invokeRpc(final String identifier, final NormalizedNodeContext payload,
  54             final UriInfo uriInfo) {
  55         final EffectiveModelContext refSchemaCtx = this.schemaContextHandler.get();
  56         final QName schemaPath = payload.getInstanceIdentifierContext().getSchemaNode().getQName();
  57         final DOMMountPoint mountPoint = payload.getInstanceIdentifierContext().getMountPoint();
  58         final URI namespace = payload.getInstanceIdentifierContext().getSchemaNode().getQName().getNamespace();
  59
  60         final DOMRpcResult response;
  61         final EffectiveModelContext schemaContextRef;
  62         if (mountPoint == null) {
  63             if (namespace.equals(RestconfStreamsConstants.SAL_REMOTE_NAMESPACE.getNamespace())) {
  64                 if (identifier.contains(RestconfStreamsConstants.CREATE_DATA_SUBSCRIPTION)) {
  65                     response = CreateStreamUtil.createDataChangeNotifiStream(payload, refSchemaCtx);
  66                 } else {
  67                     throw new RestconfDocumentedException("Not supported operation", ErrorType.RPC,
  68                             ErrorTag.OPERATION_NOT_SUPPORTED);
  69                 }
  70             } else {
  71                 response = RestconfInvokeOperationsUtil.invokeRpc(payload.getData(), schemaPath, this.rpcService);
  72             }
  73             schemaContextRef = this.schemaContextHandler.get();
  74         } else {
  75             response = RestconfInvokeOperationsUtil.invokeRpcViaMountPoint(mountPoint, payload.getData(), schemaPath);
  76             schemaContextRef = modelContext(mountPoint);
  77         }
  78
  79         final DOMRpcResult result = RestconfInvokeOperationsUtil.checkResponse(response);
  80
  81         RpcDefinition resultNodeSchema = null;
  82         NormalizedNode<?, ?> resultData = null;
  83         if (result != null && result.getResult() != null) {
  84             resultData = result.getResult();
  85             resultNodeSchema = (RpcDefinition) payload.getInstanceIdentifierContext().getSchemaNode();
  86         }
  87
  88         if (resultData != null && ((ContainerNode) resultData).getValue().isEmpty()) {
  89             throw new WebApplicationException(Response.Status.NO_CONTENT);
  90         } else {
  91             return new NormalizedNodeContext(new InstanceIdentifierContext<>(null, resultNodeSchema, mountPoint,
  92                     schemaContextRef), resultData);
  93         }
  94     }
  95
  96     private static EffectiveModelContext modelContext(final DOMMountPoint mountPoint) {
  97         return mountPoint.getService(DOMSchemaService.class)
  98             .flatMap(svc -> Optional.ofNullable(svc.getGlobalContext()))
  99             .orElse(null);
 100     }
 101 }