本文整理汇总了Scala中scala.reflect.runtime.universe.runtimeMirror类的典型用法代码示例。如果您正苦于以下问题：Scala runtimeMirror类的具体用法？Scala runtimeMirror怎么用？Scala runtimeMirror使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了runtimeMirror类的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Scala代码示例。
示例1: JsonLifter
//设置package包名称以及导入依赖的类
package com.twitter.diffy.lifter
import com.fasterxml.jackson.core.JsonToken
import com.fasterxml.jackson.databind.{JsonNode, ObjectMapper}
import com.fasterxml.jackson.module.scala.DefaultScalaModule
import com.fasterxml.jackson.module.scala.experimental.ScalaObjectMapper
import com.twitter.util.{Try, NoStacktrace}
import scala.collection.JavaConversions._
import scala.language.postfixOps
import scala.reflect.runtime.universe.runtimeMirror
import scala.tools.reflect.ToolBox
object JsonLifter {
object JsonNull
object JsonParseError extends Exception with NoStacktrace
val toolbox = runtimeMirror(getClass.getClassLoader).mkToolBox()
val Mapper = new ObjectMapper with ScalaObjectMapper
Mapper.registerModule(DefaultScalaModule)
def apply(obj: Any): JsonNode = Mapper.valueToTree(obj)
def lift(node: JsonNode): Any = node.asToken match {
case JsonToken.START_ARRAY =>
node.elements.toSeq.map {
element => lift(element)
} sortBy { _.toString }
case JsonToken.START_OBJECT => {
val fields = node.fieldNames.toSet
if (fields.exists{ field => Try(toolbox.parse(s"object ${field}123")).isThrow}) {
node.fields map {field => (field.getKey -> lift(field.getValue))} toMap
} else {
FieldMap(
node.fields map {field => (field.getKey -> lift(field.getValue))} toMap
)
}
}
case JsonToken.VALUE_FALSE => false
case JsonToken.VALUE_NULL => JsonNull
case JsonToken.VALUE_NUMBER_FLOAT => node.asDouble
case JsonToken.VALUE_NUMBER_INT => node.asLong
case JsonToken.VALUE_TRUE => true
case JsonToken.VALUE_STRING => node.textValue
case _ => throw JsonParseError
}
def decode(json: String): JsonNode = Mapper.readTree(json)
def encode(item: Any): String = Mapper.writer.writeValueAsString(item)
}