Excerpt of a Global.scala file from a Play project - on error handler

gistfile1.txt

object Global extends WithFilters(new GzipFilter()) with DBeable {

  /* [...] */
 
  override def onError(request: RequestHeader, ex: Throwable) = { 
    import _root_.util.Mailer
    
    val exId = ex match {
      case e: PlayException => Some(e.id)
      case _ => None
    }   
    val exTitle = ex match {
      case e: PlayException => Some(e.title)
      case _ => None
    }   
    
    val writer = new java.io.StringWriter()
    val printWriter = new java.io.PrintWriter(writer)
    ex.printStackTrace(printWriter)
    val stacktrace = writer.toString()
 
    Mailer.send(
      "[Exception report] " + exId.getOrElse("(no ID)") + " - " + exTitle.getOrElse("(no title)"),
      List("alexandre+myapp@berthaud.me"),
      "contact@myapp.com",
"""
Exception ID: %s
Exception title: %s
Date: %s
 
Caused by: %s
 
Stacktrace:
%s
""".format(
        exId.getOrElse("(no ID)"),
        exTitle.getOrElse("(no title)") ,
        (new org.joda.time.DateTime).toString(),
        ex.getCause,
        stacktrace
      )
    )
 
    Future.successful(InternalServerError(
      views.html.errors.applicationError()
    ))
  }

  /* [...] */

}