ms/blueprintsprocessor/modules/commons/nats-lib/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/nats/service/BluePrintNatsLibPropertyService.kt

   1 /*
   2  * Copyright © 2018-2019 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.cds.blueprintsprocessor.nats.service
  18
  19 import com.fasterxml.jackson.databind.JsonNode
  20 import org.onap.ccsdk.cds.blueprintsprocessor.core.BluePrintPropertiesService
  21 import org.onap.ccsdk.cds.blueprintsprocessor.nats.NatsConnectionProperties
  22 import org.onap.ccsdk.cds.blueprintsprocessor.nats.NatsLibConstants
  23 import org.onap.ccsdk.cds.blueprintsprocessor.nats.TLSAuthNatsConnectionProperties
  24 import org.onap.ccsdk.cds.blueprintsprocessor.nats.TokenAuthNatsConnectionProperties
  25 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
  26 import org.onap.ccsdk.cds.controllerblueprints.core.utils.JacksonUtils
  27 import org.springframework.stereotype.Service
  28
  29 @Service(NatsLibConstants.SERVICE_BLUEPRINT_NATS_LIB_PROPERTY)
  30 open class BluePrintNatsLibPropertyService(private var bluePrintPropertiesService: BluePrintPropertiesService) {
  31
  32     fun bluePrintNatsService(jsonNode: JsonNode): BluePrintNatsService {
  33         val natsConnectionProperties = natsConnectionProperties(jsonNode)
  34         return bluePrintNatsService(natsConnectionProperties)
  35     }
  36
  37     fun bluePrintNatsService(selector: String): BluePrintNatsService {
  38         val prefix = "${NatsLibConstants.PROPERTY_NATS_PREFIX}$selector"
  39         val natsConnectionProperties = natsConnectionProperties(prefix)
  40         return bluePrintNatsService(natsConnectionProperties)
  41     }
  42
  43     /** NATS Lib Property Service */
  44     fun natsConnectionProperties(jsonNode: JsonNode): NatsConnectionProperties {
  45         return when (val type = jsonNode.get("type").textValue()) {
  46             NatsLibConstants.TYPE_TOKEN_AUTH -> {
  47                 JacksonUtils.readValue(jsonNode, TokenAuthNatsConnectionProperties::class.java)!!
  48             }
  49             NatsLibConstants.TYPE_TLS_AUTH -> {
  50                 JacksonUtils.readValue(jsonNode, TLSAuthNatsConnectionProperties::class.java)!!
  51             }
  52             else -> {
  53                 throw BluePrintProcessorException("NATS type($type) not supported")
  54             }
  55         }
  56     }
  57
  58     fun natsConnectionProperties(prefix: String): NatsConnectionProperties {
  59         val type = bluePrintPropertiesService.propertyBeanType("$prefix.type", String::class.java)
  60         return when (type) {
  61             NatsLibConstants.TYPE_TOKEN_AUTH -> {
  62                 tokenAuthNatsConnectionProperties(prefix)
  63             }
  64             NatsLibConstants.TYPE_TLS_AUTH -> {
  65                 tlsAuthNatsConnectionProperties(prefix)
  66             }
  67             else -> {
  68                 throw BluePrintProcessorException("NATS type($type) not supported")
  69             }
  70         }
  71     }
  72
  73     private fun tokenAuthNatsConnectionProperties(prefix: String): TokenAuthNatsConnectionProperties {
  74         return bluePrintPropertiesService.propertyBeanType(prefix, TokenAuthNatsConnectionProperties::class.java)
  75     }
  76
  77     private fun tlsAuthNatsConnectionProperties(prefix: String): TLSAuthNatsConnectionProperties {
  78         return bluePrintPropertiesService.propertyBeanType(prefix, TLSAuthNatsConnectionProperties::class.java)
  79     }
  80
  81     fun bluePrintNatsService(natsConnectionProperties: NatsConnectionProperties):
  82         BluePrintNatsService {
  83             return when (natsConnectionProperties) {
  84                 is TokenAuthNatsConnectionProperties -> {
  85                     TokenAuthNatsService(natsConnectionProperties)
  86                 }
  87                 is TLSAuthNatsConnectionProperties -> {
  88                     TLSAuthNatsService(natsConnectionProperties)
  89                 }
  90                 else -> {
  91                     throw BluePrintProcessorException("couldn't get NATS service for properties $natsConnectionProperties")
  92                 }
  93             }
  94         }
  95 }