flying saucer pdf generation in play

  def sendPdf(htmlContent: String, filename: String) = {

    val os = new java.io.ByteArrayOutputStream
    val renderer = new ITextRenderer
    renderer.setDocumentFromString(htmlContent)
    renderer.layout
    renderer.createPDF(os)

    val bytes = os.toByteArray()
    os.flush()
    val enum = Enumerator.fromStream(new ByteArrayInputStream(bytes))

    SimpleResult(
      header = ResponseHeader(200, Map(
        CONTENT_TYPE -> "application/pdf",
        CONTENT_DISPOSITION -> s"attachment; filename=$filename.pdf",
        CONTENT_TRANSFER_ENCODING -> "binary")),        
      body = enum
    )
  }