com.fasterxml.jackson.module.scala.ser.ScalaMapSerializer.scala Maven / Gradle / Ivy

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Add-on module for Jackson (http://jackson.codehaus.org) to support Scala (http://www.scala-lang.org/) data types.

There is a newer version: 1.9.3

package com.fasterxml.jackson.module.scala.ser

import org.codehaus.jackson.map._
import org.codehaus.jackson._
import ser.ContainerSerializerBase
import collection.Map

/**
 * The implementation is taken from the code written by Greg Zoller, found here:
 * http://jira.codehaus.org/browse/JACKSON-211
 */
class ScalaMapSerializer extends ContainerSerializerBase[Map[String,Any]](classOf[Map[String,Any]]) {
	override def serialize(value:Map[String,Any], jgen:JsonGenerator, provider:SerializerProvider) {
		jgen.writeStartObject();
		if( value.size > 0 ) {
			val keySerializer = provider.getKeySerializer
			value.foreach( mapElem => {
				val (k,v) = mapElem
				keySerializer.serialize(k, jgen, provider)
				provider.findValueSerializer(v.asInstanceOf[AnyRef].getClass).serialize(v.asInstanceOf[AnyRef], jgen, provider)
			})
		}
		jgen.writeEndObject();
	}
	override def _withValueTypeSerializer(vts:TypeSerializer) = new ScalaIterableSerializer()
	override def getSchema(provider:SerializerProvider, typeHint:java.lang.reflect.Type) = createSchemaNode("string", true)
}