org.specs2.control.Throwables.scala Maven / Gradle / Ivy

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package org.specs2
package control

object Throwables {
  def render(t: Throwable): String =
    s"${t.getClass.getName}" + (Option(t.getMessage) match {
      case None          => ""
      case Some(message) => s": $message"
    })

  def renderWithStack(t: Throwable): String =
    s"""============================================================
       |${render(t)}
       |------------------------------------------------------------
       |${traceWithIndent(t, "    ")}
       |============================================================
       |""".stripMargin

  def trace(t: Throwable): String =  {
    val out = new java.io.StringWriter
    t.printStackTrace(new java.io.PrintWriter(out))
    out.toString
  }

  def traceWithIndent(t: Throwable, indent: String): String =
    trace(t).lines.map(line => indent + line).mkString("\n")
}