Scala example source code file (t2511.scala)

This example Scala source code file (t2511.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

array, bytearrayinputstream, bytearrayoutputstream, imymessage, imymessage, mymessage, mymessage, objectoutputstream, serializable, string, string, test, test, uninitializedfielderror

The Scala t2511.scala source code

object Test {

  import java.io._

  trait IMyMessage extends Serializable {
    @transient var message: String = null
    var message2: String = null
  }

  class MyMessage extends IMyMessage

  def serialize = {
    val buf = new ByteArrayOutputStream(10000)
    val out = new ObjectOutputStream(buf)
    val m = new MyMessage
    m.message = "foo"
    m.message2 = "bippy"
    out.writeObject(m)
    out.flush
    buf.toByteArray
  }

  def unserialize(buf:Array[Byte]) = {
    val in = new ObjectInputStream(new ByteArrayInputStream(buf))
    in.readObject.asInstanceOf[MyMessage]
  }

  def main(args: Array[String]) {
    val m = unserialize(serialize)
    // Xcheckinit freaks out here but its nullness is what we're testing
    try println(m.message)
    catch { case _: UninitializedFieldError => println("null") }
    println(m.message2)
  }
}