sbt/main/LogManager.scala

36 lines
1.2 KiB
Scala

/* sbt -- Simple Build Tool
* Copyright 2010 Mark Harrah
*/
package sbt
import java.io.PrintWriter
import LogManager._
import std.Transform
import Project.ScopedKey
import Keys.{logLevel, persistLogLevel, persistTraceLevel, traceLevel}
object LogManager
{
def construct(data: Settings[Scope]) = (task: ScopedKey[_], to: PrintWriter) =>
{
val scope = task.scope
def getOr[T](key: AttributeKey[T], default: T): T = data.get(scope, key) getOrElse default
val screenLevel = getOr(logLevel.key, Level.Info)
val backingLevel = getOr(persistLogLevel.key, Level.Debug)
val screenTrace = getOr(traceLevel.key, -1)
val backingTrace = getOr(persistTraceLevel.key, Int.MaxValue)
val console = ConsoleLogger()
val backed = ConsoleLogger(ConsoleLogger.printWriterOut(to), useColor = false) // TODO: wrap this with a filter that strips ANSI codes
val multi = new MultiLogger(console :: backed :: Nil)
// sets multi to the most verbose for clients that inspect the current level
multi setLevel Level.union(backingLevel, screenLevel)
// set the specific levels
console setLevel screenLevel
backed setLevel backingLevel
console setTrace screenTrace
backed setTrace backingTrace
multi: Logger
}
}