BuilderExample.scala

package com.log4.methodmissing

import java.io.File

class Path(name: String = "", parent: Option[Path] = None) extends Dynamic {
  def applyDynamic(methodName: String)(args: Any*) = new Path(methodName, Option(this))

  override def toString = (if(parent.isDefined) parent.get.toString + File.separatorChar else "") + name
}

object BuilderExample {

  def main(args: Array[String]) {
    println( // prints something like: /home/Users/peter/Documents
      new Path().home.Users.peter.Documents
    )
  }
}