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/* NSC -- new Scala compiler
* Copyright 2005-2010 LAMP/EPFL
*/
package scala.tools.nsc
package interpreter
import scala.tools.nsc.io.AbstractFile
import util.ScalaClassLoader
/**
* A class loader that loads files from a {@link scala.tools.nsc.io.AbstractFile}.
*
* @author Lex Spoon
*/
class AbstractFileClassLoader(root: AbstractFile, parent: ClassLoader)
extends ClassLoader(parent)
with ScalaClassLoader
{
def getBytesForClass(name: String): Array[Byte] = {
def onull[T](x: T): T = if (x == null) throw new ClassNotFoundException(name) else x
var file: AbstractFile = root
val pathParts = name.split("[./]").toList
for (dirPart <- pathParts.init)
file = onull(file.lookupName(dirPart, true))
file = onull(file.lookupName(pathParts.last+".class", false))
file.toByteArray
}
override def findClass(name: String): Class[_] = {
val bytes = getBytesForClass(name)
defineClass(name, bytes, 0, bytes.length)
}
}
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