ms/blueprintsprocessor/modules/commons/processor-core/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/core/BlueprintCoreConfiguration.kt

   1 /*
   2  * Copyright © 2017-2018 AT&T Intellectual Property.
   3  * Modifications Copyright © 2019 IBM.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17
  18 package org.onap.ccsdk.cds.blueprintsprocessor.core
  19
  20 import org.onap.ccsdk.cds.controllerblueprints.core.BlueprintProcessorException
  21 import org.onap.ccsdk.cds.controllerblueprints.core.config.BlueprintLoadConfiguration
  22 import org.onap.ccsdk.cds.controllerblueprints.core.logger
  23 import org.onap.ccsdk.cds.controllerblueprints.core.service.BlueprintDependencyService
  24 import org.slf4j.LoggerFactory
  25 import org.springframework.beans.factory.annotation.Autowired
  26 import org.springframework.boot.context.properties.bind.Bindable
  27 import org.springframework.boot.context.properties.bind.Binder
  28 import org.springframework.context.ApplicationContext
  29 import org.springframework.context.ApplicationContextAware
  30 import org.springframework.context.annotation.Bean
  31 import org.springframework.context.annotation.Configuration
  32 import org.springframework.core.env.Environment
  33 import org.springframework.stereotype.Service
  34
  35 @Configuration
  36 open class BlueprintCoreConfiguration(private val bluePrintPropertiesService: BlueprintPropertiesService) {
  37
  38     companion object {
  39
  40         const val PREFIX_BLUEPRINT_PROCESSOR = "blueprintsprocessor"
  41     }
  42
  43     @Bean
  44     open fun bluePrintLoadConfiguration(): BlueprintLoadConfiguration {
  45         return bluePrintPropertiesService
  46             .propertyBeanType(PREFIX_BLUEPRINT_PROCESSOR, BlueprintLoadConfiguration::class.java)
  47     }
  48 }
  49
  50 @Configuration
  51 open class BlueprintPropertyConfiguration {
  52
  53     @Autowired
  54     lateinit var environment: Environment
  55
  56     @Bean
  57     open fun bluePrintPropertyBinder(): Binder {
  58         return Binder.get(environment)
  59     }
  60 }
  61
  62 @Service
  63 open class BlueprintPropertiesService(private var bluePrintPropertyConfig: BlueprintPropertyConfiguration) {
  64
  65     private val log = logger(BlueprintPropertiesService::class)
  66
  67     fun <T> propertyBeanType(prefix: String, type: Class<T>): T {
  68         return try {
  69             bluePrintPropertyConfig.bluePrintPropertyBinder().bind(prefix, Bindable.of(type)).get()
  70         } catch (e: NoSuchElementException) {
  71             val errMsg = "Error: missing property \"$prefix\"... Check the application.properties file."
  72             log.error(errMsg)
  73             throw BlueprintProcessorException(e, errMsg)
  74         }
  75     }
  76 }
  77
  78 @Configuration
  79 // Add Conditional property , If we try to manage on Application level
  80 open class BlueprintDependencyConfiguration : ApplicationContextAware {
  81
  82     private val log = LoggerFactory.getLogger(BlueprintDependencyConfiguration::class.java)!!
  83
  84     override fun setApplicationContext(applicationContext: ApplicationContext) {
  85         BlueprintDependencyService.inject(applicationContext)
  86         log.info("Dependency Management module created...")
  87     }
  88 }