Scala example source code file (JavaSerializer.scala)

This example Scala source code file (JavaSerializer.scala) is included in my "Source Code Warehouse" project. The intent of this project is to help you more easily find Scala source code examples by using tags.

All credit for the original source code belongs to scala-lang.org; I'm just trying to make examples easier to find. (For my Scala work, see my Scala examples and tutorials.)

Scala tags/keywords

actor, anyref, array, class, classloader, classnotfoundexception, customobjectinputstream, inputstream, objectinputstream, objectoutputstream, objectstreamclass

The JavaSerializer.scala Scala example source code

/*                     __                                               *\
**     ________ ___   / /  ___     Scala API                            **
**    / __/ __// _ | / /  / _ |    (c) 2005-2013, LAMP/EPFL             **
**  __\ \/ /__/ __ |/ /__/ __ |    http://scala-lang.org/               **
** /____/\___/_/ |_/____/_/ | |                                         **
**                          |/                                          **
\*                                                                      */


package scala.actors
package remote

import java.io.{ByteArrayInputStream, ByteArrayOutputStream,
                ObjectInputStream, ObjectOutputStream, InputStream,
                ObjectStreamClass}

/**
 *  @author Guy Oliver
 */
private[remote] class CustomObjectInputStream(in: InputStream, cl: ClassLoader)
extends ObjectInputStream(in) {
  override def resolveClass(cd: ObjectStreamClass): Class[_] =
    try {
      cl.loadClass(cd.getName())
    } catch {
      case cnf: ClassNotFoundException =>
        super.resolveClass(cd)
    }
  override def resolveProxyClass(interfaces: Array[String]): Class[_] =
    try {
      val ifaces = interfaces map { iface => cl.loadClass(iface) }
      java.lang.reflect.Proxy.getProxyClass(cl, ifaces: _*)
    } catch {
      case e: ClassNotFoundException =>
        super.resolveProxyClass(interfaces)
    }
}

/**
 *  @author Philipp Haller
 */
@deprecated("Use the akka.actor package instead. For migration from the scala.actors package refer to the Actors Migration Guide.", "2.11.0")
class JavaSerializer(serv: Service, cl: ClassLoader) extends Serializer(serv) {
  def serialize(o: AnyRef): Array[Byte] = {
    val bos = new ByteArrayOutputStream()
    val out = new ObjectOutputStream(bos)
    out.writeObject(o)
    out.flush()
    bos.toByteArray()
  }

  def deserialize(bytes: Array[Byte]): AnyRef = {
    val bis = new ByteArrayInputStream(bytes)

    // use custom stream only if cl != null
    val in = if (cl != null)
      new CustomObjectInputStream(bis, cl)
    else
      new ObjectInputStream(bis)

    in.readObject()
  }
}