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Scala example source code file (SecurityTest.scala)

This example Scala source code file (SecurityTest.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

accesscontrolexception, app, boolean, object, object, permission, permission, propertypermission, propertypermission, security, securityexception, securitymanager, securitytest, unit, unit, util

The Scala SecurityTest.scala source code

/* NSC -- new Scala compiler
 * Copyright 2005-2011 LAMP/EPFL
 * @author Paul Phillips
 */

package scala.tools.partest

import java.security._
import java.util._

abstract class SecurityTest extends App {
  def throwIt(x: Any) = throw new AccessControlException("" + x)

  def readPerm(p: PropertyPermission)            = p.getActions contains "read"
  def writePerm(p: PropertyPermission)           = p.getActions contains "write"
  def propertyCheck(p: PropertyPermission): Unit = throwIt(p)
  
  def check(perm: Permission): Unit = perm match {
    case p: PropertyPermission  => propertyCheck(p)
    case _                      => ()
  }

  lazy val sm = new SecurityManager {
    // these two are the choke points for all permissions checks
    override def checkPermission(perm: Permission): Unit = check(perm)
    override def checkPermission(perm: Permission, context: Object): Unit = check(perm)
  }
  def securityOn(): Boolean = {
    try   { System.setSecurityManager(sm) ; true }
    catch { case _: SecurityException => false }
  }
}

Other Scala examples (source code examples)

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