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

   1 /*
   2  * Copyright © 2017-2018 AT&T Intellectual Property.
   3  * Modifications Copyright © 2018 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 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.annotation.JsonInclude
  22 import com.fasterxml.jackson.databind.JsonNode
  23 import com.fasterxml.jackson.databind.SerializationFeature
  24 import com.fasterxml.jackson.databind.node.ArrayNode
  25 import com.fasterxml.jackson.databind.node.NullNode
  26 import com.fasterxml.jackson.databind.node.ObjectNode
  27 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
  28 import kotlinx.coroutines.Dispatchers
  29 import kotlinx.coroutines.async
  30 import kotlinx.coroutines.runBlocking
  31 import kotlinx.coroutines.withContext
  32 import org.apache.commons.io.IOUtils
  33 import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintConstants
  34 import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintException
  35 import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintProcessorException
  36 import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintTypes
  37 import java.io.File
  38 import java.nio.charset.Charset
  39
  40 /**
  41  *
  42  *
  43  * @author Brinda Santh
  44  */
  45 class JacksonUtils {
  46     companion object {
  47         private val log: EELFLogger = EELFManager.getInstance().getLogger(this::class.toString())
  48         inline fun <reified T : Any> readValue(content: String): T =
  49                 jacksonObjectMapper().readValue(content, T::class.java)
  50
  51         fun <T> readValue(content: String, valueType: Class<T>): T? {
  52             return jacksonObjectMapper().readValue(content, valueType)
  53         }
  54
  55         fun <T> readValue(node: JsonNode, valueType: Class<T>): T? {
  56             return jacksonObjectMapper().treeToValue(node, valueType)
  57         }
  58
  59         fun removeJsonNullNode(node: JsonNode) {
  60             val it = node.iterator()
  61             while (it.hasNext()) {
  62                 val child = it.next()
  63                 if (child.isNull) {
  64                     it.remove()
  65                 } else {
  66                     removeJsonNullNode(child)
  67                 }
  68             }
  69         }
  70
  71         fun getContent(fileName: String): String = runBlocking {
  72             async {
  73                 try {
  74                     File(fileName).readText(Charsets.UTF_8)
  75                 } catch (e: Exception) {
  76                     throw BluePrintException("couldn't get file ($fileName) content : ${e.message}")
  77                 }
  78             }.await()
  79         }
  80
  81         fun getClassPathFileContent(fileName: String): String {
  82             return runBlocking {
  83                 withContext(Dispatchers.Default) {
  84                     IOUtils.toString(JacksonUtils::class.java.classLoader
  85                             .getResourceAsStream(fileName), Charset.defaultCharset())
  86                 }
  87             }
  88         }
  89
  90         fun <T> readValueFromFile(fileName: String, valueType: Class<T>): T? {
  91             val content: String = getContent(fileName)
  92             return readValue(content, valueType)
  93         }
  94
  95         fun <T> readValueFromClassPathFile(fileName: String, valueType: Class<T>): T? {
  96             val content: String = getClassPathFileContent(fileName)
  97             return readValue(content, valueType)
  98         }
  99
 100         fun objectNodeFromObject(from: kotlin.Any): ObjectNode {
 101             return jacksonObjectMapper().convertValue(from, ObjectNode::class.java)
 102         }
 103
 104         fun jsonNodeFromObject(from: kotlin.Any): JsonNode {
 105             return jacksonObjectMapper().convertValue(from, JsonNode::class.java)
 106         }
 107
 108         fun jsonNodeFromClassPathFile(fileName: String): JsonNode {
 109             val content: String = getClassPathFileContent(fileName)
 110             return jsonNode(content)
 111         }
 112
 113         fun jsonNodeFromFile(fileName: String): JsonNode {
 114             val content: String = getContent(fileName)
 115             return jsonNode(content)
 116         }
 117
 118         fun jsonNode(content: String): JsonNode {
 119             return jacksonObjectMapper().readTree(content)
 120         }
 121
 122         fun getJson(any: kotlin.Any): String {
 123             return getJson(any, false)
 124         }
 125
 126         fun getWrappedJson(wrapper: String, any: kotlin.Any, pretty: Boolean = false): String {
 127             val wrapperMap = hashMapOf<String, Any>()
 128             wrapperMap[wrapper] = any
 129             return getJson(wrapperMap, pretty)
 130         }
 131
 132         fun getJson(any: kotlin.Any, pretty: Boolean = false): String {
 133             val objectMapper = jacksonObjectMapper()
 134             objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL)
 135             if (pretty) {
 136                 objectMapper.enable(SerializationFeature.INDENT_OUTPUT)
 137             }
 138             return objectMapper.writeValueAsString(any)
 139         }
 140
 141         fun getJsonNode(any: kotlin.Any?, pretty: Boolean = false): JsonNode {
 142             val objectMapper = jacksonObjectMapper()
 143             objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL)
 144             if (pretty) {
 145                 objectMapper.enable(SerializationFeature.INDENT_OUTPUT)
 146             }
 147             return objectMapper.valueToTree(any)
 148         }
 149
 150         fun <T> getListFromJsonNode(node: JsonNode, valueType: Class<T>): List<T> {
 151             return getListFromJson(node.toString(), valueType)
 152         }
 153
 154         fun <T> getListFromJson(content: String, valueType: Class<T>): List<T> {
 155             val objectMapper = jacksonObjectMapper()
 156             val javaType = objectMapper.typeFactory.constructCollectionType(List::class.java, valueType)
 157             return objectMapper.readValue<List<T>>(content, javaType)
 158         }
 159
 160         fun <T> getListFromFile(fileName: String, valueType: Class<T>): List<T> {
 161             val content: String = getContent(fileName)
 162             return getListFromJson(content, valueType)
 163         }
 164
 165         fun <T> getListFromClassPathFile(fileName: String, valueType: Class<T>): List<T> {
 166             val content: String = getClassPathFileContent(fileName)
 167             return getListFromJson(content, valueType)
 168         }
 169
 170         fun <T> getMapFromJson(content: String, valueType: Class<T>): MutableMap<String, T>? {
 171             val objectMapper = jacksonObjectMapper()
 172             val mapType = objectMapper.typeFactory.constructMapType(Map::class.java, String::class.java, valueType)
 173             return objectMapper.readValue(content, mapType)
 174         }
 175
 176         fun <T> getMapFromFile(fileName: String, valueType: Class<T>): MutableMap<String, T>? {
 177             val content: String = getContent(fileName)
 178             return getMapFromJson(content, valueType)
 179         }
 180
 181         fun <T> getInstanceFromMap(properties: MutableMap<String, JsonNode>, classType: Class<T>): T {
 182             return readValue(getJson(properties), classType)
 183                     ?: throw BluePrintProcessorException("failed to transform content ($properties) to type ($classType)")
 184         }
 185
 186         fun checkJsonNodeValueOfType(type: String, jsonNode: JsonNode): Boolean {
 187             if (BluePrintTypes.validPrimitiveTypes().contains(type.toLowerCase())) {
 188                 return checkJsonNodeValueOfPrimitiveType(type, jsonNode)
 189             } else if (BluePrintTypes.validCollectionTypes().contains(type)) {
 190                 return checkJsonNodeValueOfCollectionType(type, jsonNode)
 191             }
 192             return false
 193         }
 194
 195         fun checkIfPrimitiveType(primitiveType: String): Boolean {
 196             return when (primitiveType.toLowerCase()) {
 197                 BluePrintConstants.DATA_TYPE_STRING -> true
 198                 BluePrintConstants.DATA_TYPE_BOOLEAN -> true
 199                 BluePrintConstants.DATA_TYPE_INTEGER -> true
 200                 BluePrintConstants.DATA_TYPE_FLOAT -> true
 201                 BluePrintConstants.DATA_TYPE_DOUBLE -> true
 202                 BluePrintConstants.DATA_TYPE_TIMESTAMP -> true
 203                 else -> false
 204             }
 205         }
 206
 207         fun checkJsonNodeValueOfPrimitiveType(primitiveType: String, jsonNode: JsonNode): Boolean {
 208             return when (primitiveType.toLowerCase()) {
 209                 BluePrintConstants.DATA_TYPE_STRING -> jsonNode.isTextual
 210                 BluePrintConstants.DATA_TYPE_BOOLEAN -> jsonNode.isBoolean
 211                 BluePrintConstants.DATA_TYPE_INTEGER -> jsonNode.isInt
 212                 BluePrintConstants.DATA_TYPE_FLOAT -> jsonNode.isDouble
 213                 BluePrintConstants.DATA_TYPE_DOUBLE -> jsonNode.isDouble
 214                 BluePrintConstants.DATA_TYPE_TIMESTAMP -> jsonNode.isTextual
 215                 else -> false
 216             }
 217         }
 218
 219         fun checkJsonNodeValueOfCollectionType(type: String, jsonNode: JsonNode): Boolean {
 220             return when (type.toLowerCase()) {
 221                 BluePrintConstants.DATA_TYPE_LIST -> jsonNode.isArray
 222                 BluePrintConstants.DATA_TYPE_MAP -> jsonNode.isContainerNode
 223                 else -> false
 224             }
 225         }
 226
 227         fun populatePrimitiveValues(key: String, value: Any, primitiveType: String, objectNode: ObjectNode) {
 228             when (primitiveType.toLowerCase()) {
 229                 BluePrintConstants.DATA_TYPE_BOOLEAN -> objectNode.put(key, value as Boolean)
 230                 BluePrintConstants.DATA_TYPE_INTEGER -> objectNode.put(key, value as Int)
 231                 BluePrintConstants.DATA_TYPE_FLOAT -> objectNode.put(key, value as Float)
 232                 BluePrintConstants.DATA_TYPE_DOUBLE -> objectNode.put(key, value as Double)
 233                 BluePrintConstants.DATA_TYPE_TIMESTAMP -> objectNode.put(key, value as String)
 234                 else -> objectNode.put(key, value as String)
 235             }
 236         }
 237
 238         fun populatePrimitiveValues(value: Any, primitiveType: String, arrayNode: ArrayNode) {
 239             when (primitiveType.toLowerCase()) {
 240                 BluePrintConstants.DATA_TYPE_BOOLEAN -> arrayNode.add(value as Boolean)
 241                 BluePrintConstants.DATA_TYPE_INTEGER -> arrayNode.add(value as Int)
 242                 BluePrintConstants.DATA_TYPE_FLOAT -> arrayNode.add(value as Float)
 243                 BluePrintConstants.DATA_TYPE_DOUBLE -> arrayNode.add(value as Double)
 244                 BluePrintConstants.DATA_TYPE_TIMESTAMP -> arrayNode.add(value as String)
 245                 else -> arrayNode.add(value as String)
 246             }
 247         }
 248
 249         fun populatePrimitiveDefaultValues(key: String, primitiveType: String, objectNode: ObjectNode) {
 250             when (primitiveType.toLowerCase()) {
 251                 BluePrintConstants.DATA_TYPE_BOOLEAN -> objectNode.put(key, false)
 252                 BluePrintConstants.DATA_TYPE_INTEGER -> objectNode.put(key, 0)
 253                 BluePrintConstants.DATA_TYPE_FLOAT -> objectNode.put(key, 0.0)
 254                 BluePrintConstants.DATA_TYPE_DOUBLE -> objectNode.put(key, 0.0)
 255                 else -> objectNode.put(key, "")
 256             }
 257         }
 258
 259         fun populatePrimitiveDefaultValuesForArrayNode(primitiveType: String, arrayNode: ArrayNode) {
 260             when (primitiveType.toLowerCase()) {
 261                 BluePrintConstants.DATA_TYPE_BOOLEAN -> arrayNode.add(false)
 262                 BluePrintConstants.DATA_TYPE_INTEGER -> arrayNode.add(0)
 263                 BluePrintConstants.DATA_TYPE_FLOAT -> arrayNode.add(0.0)
 264                 BluePrintConstants.DATA_TYPE_DOUBLE -> arrayNode.add(0.0)
 265                 else -> arrayNode.add("")
 266             }
 267         }
 268
 269         fun populateJsonNodeValues(key: String, nodeValue: JsonNode?, type: String, objectNode: ObjectNode) {
 270             if (nodeValue == null || nodeValue is NullNode) {
 271                 objectNode.set(key, nodeValue)
 272             } else if (BluePrintTypes.validPrimitiveTypes().contains(type)) {
 273                 populatePrimitiveValues(key, nodeValue, type, objectNode)
 274             } else {
 275                 objectNode.set(key, nodeValue)
 276             }
 277         }
 278
 279         fun convertPrimitiveResourceValue(type: String, value: String): JsonNode {
 280             return when (type.toLowerCase()) {
 281                 BluePrintConstants.DATA_TYPE_BOOLEAN -> jsonNodeFromObject(java.lang.Boolean.valueOf(value))
 282                 BluePrintConstants.DATA_TYPE_INTEGER -> jsonNodeFromObject(Integer.valueOf(value))
 283                 BluePrintConstants.DATA_TYPE_FLOAT -> jsonNodeFromObject(java.lang.Float.valueOf(value))
 284                 BluePrintConstants.DATA_TYPE_DOUBLE -> jsonNodeFromObject(java.lang.Double.valueOf(value))
 285                 else -> getJsonNode(value)
 286             }
 287         }
 288
 289     }
 290 }