mirror of https://github.com/sbt/sbt.git
24 lines
1.1 KiB
Scala
24 lines
1.1 KiB
Scala
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package xsbt.boot
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import Pre._
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object JAnsi
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{
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def uninstall(loader: ClassLoader): Unit = callJAnsi("systemUninstall", loader)
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def install(loader: ClassLoader): Unit = callJAnsi("systemInstall", loader)
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private[this] def callJAnsi(methodName: String, loader: ClassLoader): Unit = if(isWindows && !isCygwin) callJAnsiMethod(methodName, loader)
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private[this] def callJAnsiMethod(methodName: String, loader: ClassLoader): Unit =
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try {
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val c = Class.forName("org.fusesource.jansi.AnsiConsole", true, loader)
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c.getMethod(methodName).invoke(null)
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} catch {
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case ignore: ClassNotFoundException =>
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/* The below code intentionally traps everything. It technically shouldn't trap the
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* non-StackOverflowError VirtualMachineErrors and AWTError would be weird, but this is PermGen
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* mitigation code that should not render sbt completely unusable if jansi initialization fails.
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* [From Mark Harrah, https://github.com/sbt/sbt/pull/633#issuecomment-11957578].
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*/
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case ex: Throwable => println("Jansi found on class path but initialization failed: " + ex)
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}
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}
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