libjava/java/security/DomainCombiner.java

   1 /* DomainCombiner.java - Combines ProtectionDomains
   2    Copyright (C) 1999 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19 02111-1307 USA.
  20
  21 As a special exception, if you link this library with other files to
  22 produce an executable, this library does not by itself cause the
  23 resulting executable to be covered by the GNU General Public License.
  24 This exception does not however invalidate any other reasons why the
  25 executable file might be covered by the GNU General Public License. */
  26
  27 package java.security;
  28
  29 /**
  30    A public interface used to combine two ProtectionDomains in a new
  31    ProtectionDomain and update the current Protection Domains
  32    associated with the current AccessControllerContext.
  33
  34    It can add, subtract, or update ProtectionDomains or possibly
  35    remove duplicates or any possible complex action but just not add
  36    ones that do not already exist in either array.
  37
  38    @since JDK 1.3
  39    @author Mark Benvenuto
  40  */
  41 public interface DomainCombiner
  42 {
  43   /**
  44      Combines the current ProtectionDomains of the Thread with new
  45      ProtectionDomains.
  46
  47      @param currentDomains - the ProtectionDomains for the current thread.
  48      @param assignedDomains - ProtectionsDomains to add
  49      @returns a new array of all the ProtectionDomains
  50    */
  51   public ProtectionDomain[] combine(ProtectionDomain[]currentDomains,
  52                                     ProtectionDomain[]assignedDomains);
  53 }