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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2008-2011, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala.util
/**
* Marshalling of Scala objects using Scala manifests.
*
* @author Stephane Micheloud
* @version 1.0
*/
object Marshal {
import java.io._
import scala.reflect.ClassManifest
def dump[A](o: A)(implicit m: ClassManifest[A]): Array[Byte] = {
val ba = new ByteArrayOutputStream(512)
val out = new ObjectOutputStream(ba)
out.writeObject(m)
out.writeObject(o)
out.close()
ba.toByteArray()
}
@throws(classOf[IOException])
@throws(classOf[ClassCastException])
@throws(classOf[ClassNotFoundException])
def load[A](buffer: Array[Byte])(implicit expected: ClassManifest[A]): A = {
val in = new ObjectInputStream(new ByteArrayInputStream(buffer))
val found = in.readObject.asInstanceOf[ClassManifest[_]]
// todo. [Eugene] needs review, since ClassManifests no longer capture typeArguments
if (found.tpe <:< expected.tpe) {
val o = in.readObject.asInstanceOf[A]
in.close()
o
} else {
in.close()
throw new ClassCastException("type mismatch;"+
"\n found : "+found+
"\n required: "+expected)
}
}
}
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