mirror of https://github.com/sbt/sbt.git
40 lines
1.1 KiB
Scala
40 lines
1.1 KiB
Scala
/* sbt -- Simple Build Tool
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* Copyright 2008, 2009, 2010 Mark Harrah
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*/
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package sbt
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/** Provides a `java.io.Writer` interface to a `Logger`. Content is line-buffered and logged at `level`.
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* A line is delimited by `nl`, which is by default the platform line separator.*/
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class LoggerWriter(delegate: Logger, level: Level.Value, nl: String) extends java.io.Writer
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{
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def this(delegate: Logger, level: Level.Value) = this(delegate, level, System.getProperty("line.separator"))
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private[this] val buffer = new StringBuilder
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override def close() = flush()
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override def flush(): Unit =
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synchronized {
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if(buffer.length > 0)
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{
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log(buffer.toString)
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buffer.clear()
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}
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}
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override def write(content: Array[Char], offset: Int, length: Int): Unit =
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synchronized {
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buffer.appendAll(content, offset, length)
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process()
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}
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private[this] def process()
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{
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val i = buffer.indexOf(nl)
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if(i >= 0)
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{
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log(buffer.substring(0, i))
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buffer.delete(0, i + nl.length)
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process()
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}
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}
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private[this] def log(s: String): Unit = delegate.log(level, s)
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} |