skinny.micro.data.MultiMap.scala Maven / Gradle / Ivy
package skinny.micro.data
import scala.language.implicitConversions
import scala.collection.immutable.Map
/**
* Map which contains multi values for each key.
*/
class MultiMap(wrapped: Map[String, Seq[String]] = Map.empty) extends Map[String, Seq[String]] {
def get(key: String): Option[Seq[String]] = {
(wrapped.get(key) orElse wrapped.get(key + "[]"))
}
def get(key: Symbol): Option[Seq[String]] = get(key.name)
def +[B1 >: Seq[String]](kv: (String, B1)): MultiMap = {
new MultiMap(wrapped + kv.asInstanceOf[(String, Seq[String])])
}
def -(key: String): MultiMap = new MultiMap(wrapped - key)
def iterator: Iterator[(String, Seq[String])] = wrapped.iterator
override def default(a: String): Seq[String] = wrapped.default(a)
}
object MultiMap {
def apply(): MultiMap = new MultiMap
def apply[SeqType <: Seq[String]](wrapped: Map[String, SeqType]): MultiMap = new MultiMap(wrapped)
def empty: MultiMap = apply()
implicit def map2MultiMap(map: Map[String, Seq[String]]): MultiMap = new MultiMap(map)
}