path: root/src/compiler/scala/tools/nsc/Properties.scala

/* NSC -- new Scala compiler
 * Copyright 2006-2007 LAMP/EPFL
 * @author  Stephane Micheloud
 */

// $Id: $

package scala.tools.nsc

/** A utility to load the compiler properties from a Java properties file
 *  included in the jar.
 */
object Properties {

  /** The name of the properties file */
  private val propFilename = "/compiler.properties"

  /** The loaded properties */
  private val props = {
    val props = new java.util.Properties
    val stream = classOf[Global].getResourceAsStream(propFilename)
    if (stream != null)
      props.load(stream)
    props
  }

  /** The version number of the jar this was loaded from, or
    * "(unknown)" if it cannot be determined.
    */
  val versionString: String = {
    val defaultString = "(unknown)"
    "version " + props.getProperty("version.number")
  }

  val copyrightString: String = {
    val defaultString = "(c) 2002-2006 LAMP/EPFL"
    props.getProperty("copyright.string", defaultString)
  }

  val scalaHome: String =
    System.getProperty("scala.home")

  val cmdName: String = {
    val isWin = System.getProperty("os.name") startsWith "Windows"
    if (isWin) "scala.bat" else "scala"
  }

}