Scala example source code file (ExternalSources.scala)

This example Scala source code file (ExternalSources.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

externalsources, externalsources, markuphandler, markuphandler, markupparser, net, network, source, source, string, string, url

The Scala ExternalSources.scala source code

/*                     __                                               *\
**     ________ ___   / /  ___     Scala API                            **
**    / __/ __// _ | / /  / _ |    (c) 2003-2011, LAMP/EPFL             **
**  __\ \/ /__/ __ |/ /__/ __ |    http://scala-lang.org/               **
** /____/\___/_/ |_/____/_/ | |                                         **
**                          |/                                          **
\*                                                                      */



package scala.xml
package parsing

import java.net.URL
import java.io.File.separator

import scala.io.Source

/**
 *  @author  Burak Emir
 *  @version 1.0
 */
trait ExternalSources { 
  self: ExternalSources with MarkupParser with MarkupHandler =>

  /** ...
   *
   *  @param systemId ...
   *  @return         ...
   */
  def externalSource(systemId: String): Source = {
    if (systemId startsWith "http:")
      return Source fromURL new URL(systemId)
      
    val fileStr: String = input.descr match {
      case x if x startsWith "file:"  => x drop 5
      case x                          => x take ((x lastIndexOf separator) + 1)
    }
    
    Source.fromFile(fileStr + systemId)
  }
}