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 java.net.URI;
  11 import javax.ws.rs.Path;
  12 import javax.ws.rs.core.UriInfo;
  13 import org.opendaylight.mdsal.dom.api.DOMMountPoint;
  14 import org.opendaylight.mdsal.dom.api.DOMRpcResult;
  15 import org.opendaylight.restconf.common.context.InstanceIdentifierContext;
  16 import org.opendaylight.restconf.common.context.NormalizedNodeContext;
  17 import org.opendaylight.restconf.common.errors.RestconfDocumentedException;
  18 import org.opendaylight.restconf.common.errors.RestconfError.ErrorTag;
  19 import org.opendaylight.restconf.common.errors.RestconfError.ErrorType;
  20 import org.opendaylight.restconf.nb.rfc8040.handlers.RpcServiceHandler;
  21 import org.opendaylight.restconf.nb.rfc8040.handlers.SchemaContextHandler;
  22 import org.opendaylight.restconf.nb.rfc8040.references.SchemaContextRef;
  23 import org.opendaylight.restconf.nb.rfc8040.rests.services.api.RestconfInvokeOperationsService;
  24 import org.opendaylight.restconf.nb.rfc8040.rests.utils.CreateStreamUtil;
  25 import org.opendaylight.restconf.nb.rfc8040.rests.utils.RestconfInvokeOperationsUtil;
  26 import org.opendaylight.restconf.nb.rfc8040.rests.utils.RestconfStreamsConstants;
  27 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  28 import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
  29 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  30
  31 /**
  32  * Implementation of {@link RestconfInvokeOperationsService}.
  33  *
  34  */
  35 @Path("/")
  36 public class RestconfInvokeOperationsServiceImpl implements RestconfInvokeOperationsService {
  37
  38     private volatile RpcServiceHandler rpcServiceHandler;
  39     private volatile SchemaContextHandler schemaContextHandler;
  40
  41     public RestconfInvokeOperationsServiceImpl(final RpcServiceHandler rpcServiceHandler,
  42             final SchemaContextHandler schemaContextHandler) {
  43         this.rpcServiceHandler = rpcServiceHandler;
  44         this.schemaContextHandler = schemaContextHandler;
  45     }
  46
  47     @Override
  48     public synchronized void updateHandlers(final Object... handlers) {
  49         for (final Object object : handlers) {
  50             if (object instanceof SchemaContextHandler) {
  51                 schemaContextHandler = (SchemaContextHandler) object;
  52             } else if (object instanceof RpcServiceHandler) {
  53                 rpcServiceHandler = (RpcServiceHandler) object;
  54             }
  55         }
  56     }
  57
  58     @Override
  59     public NormalizedNodeContext invokeRpc(final String identifier, final NormalizedNodeContext payload,
  60                                            final UriInfo uriInfo) {
  61         final SchemaContextRef refSchemaCtx = new SchemaContextRef(this.schemaContextHandler.get());
  62         final SchemaPath schemaPath = payload.getInstanceIdentifierContext().getSchemaNode().getPath();
  63         final DOMMountPoint mountPoint = payload.getInstanceIdentifierContext().getMountPoint();
  64         final URI namespace = payload.getInstanceIdentifierContext().getSchemaNode().getQName().getNamespace();
  65         DOMRpcResult response;
  66
  67         SchemaContextRef schemaContextRef;
  68
  69         if (mountPoint == null) {
  70             if (namespace.toString().equals(RestconfStreamsConstants.SAL_REMOTE_NAMESPACE)) {
  71                 if (identifier.contains(RestconfStreamsConstants.CREATE_DATA_SUBSCR)) {
  72                     response = CreateStreamUtil.createDataChangeNotifiStream(payload, refSchemaCtx);
  73                 } else {
  74                     throw new RestconfDocumentedException("Not supported operation", ErrorType.RPC,
  75                             ErrorTag.OPERATION_NOT_SUPPORTED);
  76                 }
  77             } else {
  78                 response = RestconfInvokeOperationsUtil.invokeRpc(payload.getData(), schemaPath,
  79                         this.rpcServiceHandler);
  80             }
  81             schemaContextRef = new SchemaContextRef(this.schemaContextHandler.get());
  82         } else {
  83             response = RestconfInvokeOperationsUtil.invokeRpcViaMountPoint(mountPoint, payload.getData(), schemaPath);
  84             schemaContextRef = new SchemaContextRef(mountPoint.getSchemaContext());
  85         }
  86
  87         final DOMRpcResult result = RestconfInvokeOperationsUtil.checkResponse(response);
  88
  89         RpcDefinition resultNodeSchema = null;
  90         NormalizedNode<?, ?> resultData = null;
  91         if (result != null && result.getResult() != null) {
  92             resultData = result.getResult();
  93             resultNodeSchema = (RpcDefinition) payload.getInstanceIdentifierContext().getSchemaNode();
  94         }
  95         return new NormalizedNodeContext(new InstanceIdentifierContext<>(null, resultNodeSchema,
  96                 mountPoint, schemaContextRef.get()), resultData);
  97     }
  98 }