Scala example source code file (t2214.scala)

This example Scala source code file (t2214.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, debt, debt, enumeration, equity, equity, future, ignore, object, object, test, unit, value, value

The Scala t2214.scala source code

object InvestmentType extends Enumeration {
  val Debt = Value("DEBT")
  val Future = Value("FUTURE")
  val Equity = Value("EQUITY")
}

object Test {
  def main(args: Array[String]) = {
    val buf = new java.io.ByteArrayOutputStream
    val oos = new java.io.ObjectOutputStream(buf)
    InvestmentType.values.foreach {i => oos.writeObject(i)}
    oos.flush
    oos.close
    val ois = new java.io.ObjectInputStream(
                new java.io.ByteArrayInputStream(buf.toByteArray))
    var obj: Object = null
    foreach(ois) { obj =>
      obj match {
        case InvestmentType.Debt => println("got " + obj)
        case InvestmentType.Equity => println("got " + obj)
        case InvestmentType.Future => println("got " + obj)
        case _ => println("unknown: " + obj + " of: " + obj.getClass)
      }
    }
  }

  def foreach(os: java.io.ObjectInputStream)(f: Object => Unit) {
    try {
      val obj = os.readObject
      if (obj != null) {
        f(obj)
        foreach(os)(f)
      }
    } catch {
      case e: java.io.EOFException => //IGNORE
    }
  }
}