| /* |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, |
| software distributed under the License is distributed on an |
| "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| KIND, either express or implied. See the License for the |
| specific language governing permissions and limitations |
| under the License. |
| */ |
| package org.apache.griffin.measure.utils |
| |
| import java.io.InputStream |
| |
| import scala.reflect._ |
| |
| import com.fasterxml.jackson.databind.{DeserializationFeature, ObjectMapper} |
| import com.fasterxml.jackson.module.scala.DefaultScalaModule |
| |
| |
| object JsonUtil { |
| val mapper = new ObjectMapper() |
| mapper.registerModule(DefaultScalaModule) |
| mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false) |
| |
| def toJson(value: Map[Symbol, Any]): String = { |
| toJson(value map { case (k, v) => k.name -> v}) |
| } |
| |
| def toJson(value: Any): String = { |
| mapper.writeValueAsString(value) |
| } |
| |
| def fromJson[T: ClassTag](json: String): T = { |
| mapper.readValue[T](json, classTag[T].runtimeClass.asInstanceOf[Class[T]]) |
| } |
| |
| def fromJson[T: ClassTag](is: InputStream): T = { |
| mapper.readValue[T](is, classTag[T].runtimeClass.asInstanceOf[Class[T]]) |
| } |
| |
| def toAnyMap(json: String): Map[String, Any] = { |
| mapper.readValue(json, classOf[Map[String, Any]]) |
| } |
| } |