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.controllerblueprints.core.utils
  18
  19 import com.att.eelf.configuration.EELFLogger
  20 import com.att.eelf.configuration.EELFManager
  21 import com.fasterxml.jackson.databind.JsonNode
  22 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
  23 import reactor.core.publisher.Mono
  24 import reactor.core.publisher.toMono
  25
  26 @Deprecated("Reactor will be replaced by coroutines by default")
  27 object JacksonReactorUtils {
  28     private val log: EELFLogger = EELFManager.getInstance().getLogger(this::class.toString())
  29
  30     @JvmStatic
  31     fun getContent(fileName: String): Mono<String> {
  32         return JacksonUtils.getContent(fileName).toMono()
  33     }
  34
  35     @JvmStatic
  36     fun getClassPathFileContent(fileName: String): Mono<String> {
  37         return JacksonUtils.getClassPathFileContent(fileName).toMono()
  38     }
  39
  40     @JvmStatic
  41     fun <T> readValue(content: String, valueType: Class<T>): Mono<T> {
  42         return Mono.just(jacksonObjectMapper().readValue(content, valueType))
  43     }
  44
  45     @JvmStatic
  46     fun jsonNode(content: String): Mono<JsonNode> {
  47         return Mono.just(jacksonObjectMapper().readTree(content))
  48     }
  49
  50     @JvmStatic
  51     fun getJson(any: kotlin.Any, pretty: Boolean = false): Mono<String> {
  52         return Mono.just(JacksonUtils.getJson(any, pretty))
  53     }
  54
  55     @JvmStatic
  56     fun <T> getListFromJson(content: String, valueType: Class<T>): Mono<List<T>> {
  57         val objectMapper = jacksonObjectMapper()
  58         val javaType = objectMapper.typeFactory.constructCollectionType(List::class.java, valueType)
  59         return objectMapper.readValue<List<T>>(content, javaType).toMono()
  60     }
  61
  62     @JvmStatic
  63     fun <T> readValueFromFile(fileName: String, valueType: Class<T>): Mono<T> {
  64         return getContent(fileName)
  65                 .flatMap { content ->
  66                     readValue(content, valueType)
  67                 }
  68     }
  69
  70     @JvmStatic
  71     fun <T> readValueFromClassPathFile(fileName: String, valueType: Class<T>): Mono<T> {
  72         return getClassPathFileContent(fileName)
  73                 .flatMap { content ->
  74                     readValue(content, valueType)
  75                 }
  76     }
  77
  78     @JvmStatic
  79     fun jsonNodeFromFile(fileName: String): Mono<JsonNode> {
  80         return getContent(fileName)
  81                 .flatMap { content ->
  82                     jsonNode(content)
  83                 }
  84     }
  85
  86     @JvmStatic
  87     fun jsonNodeFromClassPathFile(fileName: String): Mono<JsonNode> {
  88         return getClassPathFileContent(fileName)
  89                 .flatMap { content ->
  90                     jsonNode(content)
  91                 }
  92     }
  93
  94     @JvmStatic
  95     fun <T> getListFromFile(fileName: String, valueType: Class<T>): Mono<List<T>> {
  96         return getContent(fileName)
  97                 .flatMap { content ->
  98                     getListFromJson(content, valueType)
  99                 }
 100     }
 101
 102     @JvmStatic
 103     fun <T> getListFromClassPathFile(fileName: String, valueType: Class<T>): Mono<List<T>> {
 104         return getClassPathFileContent(fileName)
 105                 .flatMap { content ->
 106                     getListFromJson(content, valueType)
 107                 }
 108     }
 109 }