mirror of https://github.com/sbt/sbt.git
50 lines
1.9 KiB
Scala
50 lines
1.9 KiB
Scala
/* sbt -- Simple Build Tool
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* Copyright 2010 Mark Harrah
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*/
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package sbt
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import java.io.PrintWriter
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import java.io.File
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import LogManager._
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import std.Transform
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import Project.ScopedKey
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import Scope.GlobalScope
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import MainLogging._
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import Keys.{logLevel, logManager, persistLogLevel, persistTraceLevel, state, traceLevel}
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object LogManager
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{
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def construct(data: Settings[Scope], state: State) = (task: ScopedKey[_], to: PrintWriter) =>
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{
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val manager = logManager in task.scope get data getOrElse default
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manager(data, state, task, to)
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}
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lazy val default: LogManager = withLoggers()
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def defaults(extra: ScopedKey[_] => Seq[AbstractLogger]): LogManager = withLoggers(extra = extra)
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def withScreenLogger(mk: => AbstractLogger): LogManager = withLoggers(mk)
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def withLoggers(screen: => AbstractLogger = defaultScreen, backed: PrintWriter => AbstractLogger = defaultBacked(), extra: ScopedKey[_] => Seq[AbstractLogger] = _ => Nil): LogManager =
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new LogManager {
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def apply(data: Settings[Scope], state: State, task: ScopedKey[_], to: PrintWriter): Logger =
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defaultLogger(data, state, task, screen, backed(to), extra(task).toList)
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}
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def defaultLogger(data: Settings[Scope], state: State, task: ScopedKey[_], console: AbstractLogger, backed: AbstractLogger, extra: List[AbstractLogger]): Logger =
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{
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val scope = task.scope
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def getOr[T](key: AttributeKey[T], default: T): T = data.get(scope, key) getOrElse default
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val screenLevel = getOr(logLevel.key, Level.Info)
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val backingLevel = getOr(persistLogLevel.key, Level.Debug)
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val screenTrace = getOr(traceLevel.key, -1)
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val backingTrace = getOr(persistTraceLevel.key, Int.MaxValue)
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val extraBacked = state.globalLogging.backed :: Nil
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multiLogger( new MultiLoggerConfig(console, backed, extraBacked ::: extra, screenLevel, backingLevel, screenTrace, backingTrace) )
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}
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}
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trait LogManager
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{
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def apply(data: Settings[Scope], state: State, task: ScopedKey[_], writer: PrintWriter): Logger
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}
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