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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2011, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala.sys
import scala.collection.mutable
import scala.collection.JavaConverters._
/** A bidirectional map wrapping the java System properties.
* Changes to System properties will be immediately visible in the map,
* and modifications made to the map will be immediately applied to the
* System properties.
*
* @author Paul Phillips
* @version 2.9
* @since 2.9
*/
class PropertiesMap extends mutable.Map[String, String] {
override def empty = new PropertiesMap
override def default(key: String): String = null
def iterator: Iterator[(String, String)] = System.getProperties().asScala.iterator
def get(key: String) = Option(System.getProperty(key))
def -= (key: String): this.type = { System.clearProperty(key) ; this }
def += (kv: (String, String)): this.type = { System.setProperty(kv._1, kv._2) ; this }
}
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