| /* |
| * 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]]) |
| } |
| } |