Source for java.util.prefs.PreferencesFactory

   1: /* PreferencesFactory - Preferences system and user root factory interface
   2:    Copyright (C) 2001 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., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: 
  39: package java.util.prefs;
  40: 
  41: /**
  42:  * Preferences system and user root factory interface. Defines how to get
  43:  * to the system and user root preferences objects. Should be implemented by
  44:  * new preferences backends.
  45:  *
  46:  * @since 1.4
  47:  * @author Mark Wielaard (mark@klomp.org)
  48:  */
  49: public interface PreferencesFactory {
  50: 
  51:     /**
  52:      * Returns the system root preferences node. Should always return the
  53:      * same object.
  54:      */
  55:     Preferences systemRoot();
  56: 
  57:     /**
  58:      * Returns the user root preferences node. May return different objects
  59:      * depending on the user that called this method. The user may for example
  60:      * be determined by the current Thread or the Subject associated with the
  61:      * current AccessControllContext.
  62:      */
  63:     Preferences userRoot();
  64: 
  65: }