sbt.internal.util.ErrorHandling.scala Maven / Gradle / Ivy
/* sbt -- Simple Build Tool
* Copyright 2009 Mark Harrah
*/
package sbt.internal.util
import java.io.IOException
object ErrorHandling {
def translate[T](msg: => String)(f: => T) =
try { f }
catch {
case e: IOException => throw new TranslatedIOException(msg + e.toString, e)
case e: Exception => throw new TranslatedException(msg + e.toString, e)
}
def wideConvert[T](f: => T): Either[Throwable, T] =
try { Right(f) }
catch {
case ex @ (_: Exception | _: StackOverflowError) => Left(ex)
case err @ (_: ThreadDeath | _: VirtualMachineError) => throw err
case x: Throwable => Left(x)
}
def convert[T](f: => T): Either[Exception, T] =
try { Right(f) }
catch { case e: Exception => Left(e) }
def reducedToString(e: Throwable): String =
if (e.getClass == classOf[RuntimeException]) {
val msg = e.getMessage
if (msg == null || msg.isEmpty) e.toString else msg
} else
e.toString
}
sealed class TranslatedException private[sbt] (msg: String, cause: Throwable) extends RuntimeException(msg, cause) {
override def toString = msg
}
final class TranslatedIOException private[sbt] (msg: String, cause: IOException) extends TranslatedException(msg, cause)