mirror of https://github.com/sbt/sbt.git
21 lines
768 B
Scala
21 lines
768 B
Scala
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/* sbt -- Simple Build Tool
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* Copyright 2012 Eugene Vigdorchik
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*/
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package sbt
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import java.lang.{ProcessBuilder => JProcessBuilder}
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/** On java 7, inherit System.in for a ProcessBuilder. */
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private[sbt] object InheritInput {
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def apply(p: JProcessBuilder): (Boolean, JProcessBuilder) = (redirectInput, inherit) match {
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case (Some(m), Some(f)) => (true, m.invoke(p, f).asInstanceOf[JProcessBuilder])
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case _ => (false, p)
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}
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private[this] val pbClass = Class.forName("java.lang.ProcessBuilder")
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private[this] val redirectClass = pbClass.getClasses find (_.getSimpleName == "Redirect")
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private[this] val redirectInput = redirectClass map (pbClass.getMethod("redirectInput", _))
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private[this] val inherit = redirectClass map (_ getField "INHERIT" get null)
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}
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