50 lines
1.4 KiB
Scala
50 lines
1.4 KiB
Scala
/**
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* Copyright (C) 2009-2010 Scalable Solutions AB <http://scalablesolutions.se>
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*/
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package se.scalablesolutions.akka
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import se.scalablesolutions.akka.util.{UUID, Logging}
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import java.io.{StringWriter, PrintWriter}
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import java.net.{InetAddress, UnknownHostException}
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/**
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* Akka base Exception. Each Exception gets:
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* <ul>
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* <li>a UUID for tracking purposes</li>
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* <li>a message including exception name, uuid, original message and the stacktrace</li>
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* <li>a method 'log' that will log the exception once and only once</li>
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* </ul>
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*
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* @author <a href="http://jonasboner.com">Jonas Bonér</a>
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*/
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@serializable abstract class AkkaException(message: String) extends RuntimeException(message) {
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@volatile private var isLogged = false
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val exceptionName = getClass.getName
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val uuid = String.format("%s_%s", AkkaException.hostname, UUID.newUuid.toString)
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override val toString =
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String.format("%s\n\t[%s]\n\t%s\n\t%s", exceptionName, uuid, message, stackTrace)
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val stackTrace = {
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val sw = new StringWriter
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val pw = new PrintWriter(sw)
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printStackTrace(pw)
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sw.toString
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}
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def log = if (!isLogged) {
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isLogged = true
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AkkaException.log.error(toString)
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}
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}
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object AkkaException extends Logging {
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val hostname = try {
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InetAddress.getLocalHost.getHostName
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} catch {
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case e: UnknownHostException => "unknown"
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}
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}
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