gerrit.onap Code Review - ccsdk/cds.git/blob

   1 /*
   2  * Copyright © 2017-2018 AT&T Intellectual Property.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.onap.ccsdk.apps.blueprintsprocessor.selfservice.api
  18
  19 import io.grpc.stub.StreamObserver
  20 import org.onap.ccsdk.apps.blueprintsprocessor.core.BluePrintCoreConfiguration
  21 import org.onap.ccsdk.apps.blueprintsprocessor.selfservice.api.utils.toJava
  22 import org.onap.ccsdk.apps.controllerblueprints.processing.api.BluePrintProcessingServiceGrpc
  23 import org.onap.ccsdk.apps.controllerblueprints.processing.api.ExecutionServiceInput
  24 import org.onap.ccsdk.apps.controllerblueprints.processing.api.ExecutionServiceOutput
  25 import org.slf4j.LoggerFactory
  26 import org.springframework.security.access.prepost.PreAuthorize
  27 import org.springframework.stereotype.Service
  28
  29 @Service
  30 open class BluePrintProcessingGRPCHandler(private val bluePrintCoreConfiguration: BluePrintCoreConfiguration,
  31                                      private val executionServiceHandler: ExecutionServiceHandler)
  32     : BluePrintProcessingServiceGrpc.BluePrintProcessingServiceImplBase() {
  33     private val log = LoggerFactory.getLogger(BluePrintProcessingGRPCHandler::class.java)
  34
  35     @PreAuthorize("hasRole('USER')")
  36     override fun process(
  37         responseObserver: StreamObserver<ExecutionServiceOutput>): StreamObserver<ExecutionServiceInput> {
  38
  39         return object : StreamObserver<ExecutionServiceInput> {
  40             override fun onNext(executionServiceInput: ExecutionServiceInput) {
  41                 try {
  42                     executionServiceHandler.process(executionServiceInput.toJava(), responseObserver)
  43                 } catch (e: Exception) {
  44                     onError(e)
  45                 }
  46             }
  47
  48             override fun onError(error: Throwable) {
  49                 log.debug("Fail to process message", error)
  50                 responseObserver.onError(io.grpc.Status.INTERNAL
  51                     .withDescription(error.message)
  52                     .asException())
  53             }
  54
  55             override fun onCompleted() {
  56                 log.info("Completed")
  57             }
  58         }
  59     }
  60 }