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JodaDateTimeZoneHelpers.scala
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JodaDateTimeZoneHelpers.scala
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package com.novus.salat.conversions
import com.mongodb.casbah.commons.conversions
import conversions.{ MongoConversionHelper, scala }
import org.bson.{ BSON, Transformer }
import org.scala_tools.time.Imports._
import scala.JodaDateTimeHelpers
import org.joda.time.tz.CachedDateTimeZone
object RegisterJodaTimeZoneConversionHelpers extends JodaDateTimeZoneHelpers {
def apply() = {
log.debug("Registering Joda Time Scala Conversions.")
super.register()
}
}
object DeregisterJodaTimeZoneConversionHelpers extends JodaDateTimeHelpers {
def apply() = {
log.debug("Unregistering Joda Time Scala Conversions.")
super.unregister()
}
}
trait JodaDateTimeZoneHelpers extends JodaDateTimeZoneSerializer
trait JodaDateTimeZoneSerializer extends MongoConversionHelper {
private val encodeType = classOf[DateTimeZone]
private val encodeTypeCached = classOf[CachedDateTimeZone]
/** Encoding hook for MongoDB To be able to persist Joda DateTimeZone to MongoDB */
private val transformer = new Transformer {
log.trace("Encoding a Joda DateTimeZone.")
def transform(o: AnyRef): AnyRef = o match {
case tz: DateTimeZone => tz.getID
case _ => o
}
}
override def register() = {
log.debug("Hooking up Joda DateTimeZone serializer.")
/** Encoding hook for MongoDB To be able to persist Joda DateTimeZone to MongoDB */
BSON.addEncodingHook(encodeType, transformer)
BSON.addEncodingHook(encodeTypeCached, transformer)
super.register()
}
override def unregister() = {
log.debug("De-registering Joda DateTimeZone serializer.")
BSON.removeEncodingHooks(encodeType)
BSON.removeEncodingHooks(encodeTypeCached)
super.unregister()
}
}