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• scalajs-java-logging_sjs0.6_2.11
• 0.1.0
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• ErrorManager.scala

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java.util.logging.ErrorManager.scala Maven / Gradle / Ivy

package java.util.logging

object ErrorManager {
  val GENERIC_FAILURE = 0
  val WRITE_FAILURE = 1
  val FLUSH_FAILURE = 2
  val CLOSE_FAILURE = 3
  val OPEN_FAILURE = 4
  val FORMAT_FAILURE = 5
}

class ErrorManager() {

  // The spec is a bit vague. This will implement the most
  // obvious interpretation of outputting only once
  private[this] var called = false

  def error(msg: String, ex: Exception, code: Int): Unit = {
    if (!called) {
      // The format is undocumented, this is learned by runtime experimentation
      if (msg == null && ex == null) {
        System.err.println(code)
      } else {
        System.err.println(s"$code: $msg")
        if (ex == null) ex.printStackTrace(System.err)
      }
      called = true
    }
  }
}