sbt/util/log/Logger.scala

57 lines
1.9 KiB
Scala

/* sbt -- Simple Build Tool
* Copyright 2008, 2009, 2010 Mark Harrah
*/
package sbt
import xsbti.{Logger => xLogger, F0}
abstract class AbstractLogger extends Logger
{
def getLevel: Level.Value
def setLevel(newLevel: Level.Value)
def setTrace(flag: Int)
def getTrace: Int
final def traceEnabled = getTrace >= 0
def atLevel(level: Level.Value) = level.id >= getLevel.id
def success(message: => String): Unit
def control(event: ControlEvent.Value, message: => String): Unit
def logAll(events: Seq[LogEvent]): Unit
/** Defined in terms of other methods in Logger and should not be called from them. */
final def log(event: LogEvent)
{
event match
{
case s: Success => success(s.msg)
case l: Log => log(l.level, l.msg)
case t: Trace => trace(t.exception)
case setL: SetLevel => setLevel(setL.newLevel)
case setT: SetTrace => setTrace(setT.level)
case c: ControlEvent => control(c.event, c.msg)
}
}
}
/** This is intended to be the simplest logging interface for use by code that wants to log.
* It does not include configuring the logger. */
trait Logger extends xLogger
{
final def verbose(message: => String): Unit = debug(message)
final def debug(message: => String): Unit = log(Level.Debug, message)
final def info(message: => String): Unit = log(Level.Info, message)
final def warn(message: => String): Unit = log(Level.Warn, message)
final def error(message: => String): Unit = log(Level.Error, message)
def ansiCodesSupported = false
def trace(t: => Throwable): Unit
def log(level: Level.Value, message: => String): Unit
def debug(msg: F0[String]): Unit = log(Level.Debug, msg)
def warn(msg: F0[String]): Unit = log(Level.Warn, msg)
def info(msg: F0[String]): Unit = log(Level.Info, msg)
def error(msg: F0[String]): Unit = log(Level.Error, msg)
def trace(msg: F0[Throwable]) = trace(msg.apply)
def log(level: Level.Value, msg: F0[String]): Unit = log(level, msg.apply)
}