a86dcc40f74121dedcf4bf157965f58a8348b9ba
[ccsdk/cds.git] /
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         const val PREFIX_BLUEPRINT_PROCESSOR = "blueprintsprocessor"
40     }
41
42     @Bean
43     open fun bluePrintLoadConfiguration(): BluePrintLoadConfiguration {
44         return bluePrintPropertiesService
45             .propertyBeanType(PREFIX_BLUEPRINT_PROCESSOR, BluePrintLoadConfiguration::class.java)
46     }
47 }
48
49 @Configuration
50 open class BluePrintPropertyConfiguration {
51
52     @Autowired
53     lateinit var environment: Environment
54
55     @Bean
56     open fun bluePrintPropertyBinder(): Binder {
57         return Binder.get(environment)
58     }
59 }
60
61 @Service
62 open class BluePrintPropertiesService(private var bluePrintPropertyConfig: BluePrintPropertyConfiguration) {
63     private val log = logger(BluePrintPropertiesService::class)
64
65     fun <T> propertyBeanType(prefix: String, type: Class<T>): T {
66         return try {
67             bluePrintPropertyConfig.bluePrintPropertyBinder().bind(prefix, Bindable.of(type)).get()
68         } catch (e: NoSuchElementException) {
69             val errMsg = "Error: missing property \"$prefix\"... Check the application.properties file."
70             log.error(errMsg)
71             throw BluePrintProcessorException(e, errMsg)
72         }
73     }
74 }
75
76 @Configuration
77 // Add Conditional property , If we try to manage on Application level
78 open class BlueprintDependencyConfiguration : ApplicationContextAware {
79
80     private val log = LoggerFactory.getLogger(BlueprintDependencyConfiguration::class.java)!!
81
82     override fun setApplicationContext(applicationContext: ApplicationContext) {
83         BluePrintDependencyService.inject(applicationContext)
84         log.info("Dependency Management module created...")
85     }
86 }