Source for javax.management.MBeanTrustPermission

   1: /* MBeanTrustPermission.java -- Represents a trusted bean source.
   2:    Copyright (C) 2006 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: package javax.management;
  39: 
  40: import java.security.BasicPermission;
  41: 
  42: /**
  43:  * Represents the permission held by a trusted source of
  44:  * management beans.  For a bean to be added to a management
  45:  * server, the source of that bean must hold this permission.
  46:  * It has a target, but no actions. Valid values for the target
  47:  * are <code>"register"</code> and <code>"*"</code>, the latter
  48:  * representing both the existing <code>"register"</code> target
  49:  * and any future targets.
  50:  *
  51:  * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
  52:  * @since 1.5
  53:  */
  54: public class MBeanTrustPermission
  55:   extends BasicPermission
  56: {
  57: 
  58:   /**
  59:    * Compatible with JDK 1.5
  60:    */
  61:   private static final long serialVersionUID = -2952178077029018140L;
  62: 
  63:   /**
  64:    * Constructs a {@link MBeanTrustPermission} with the given target.
  65:    * The target must be either <code>"register"</code> or <code>"*"</code>.
  66:    * The actions of the permission default to <code>null</code>,
  67:    * so this is equivalent to calling
  68:    * <code>MBeanTrustPermission(target, null)</code>.
  69:    *
  70:    * @param target the target of this permission.
  71:    * @throws NullPointerException if <code>target</code> is null.
  72:    * @throws IllegalArgumentException if the target is other than
  73:    *                                  <code>"register"</code> or <code>"*"</code>.
  74:    * @see #MBeanTrustPermission(String, String)
  75:    */
  76:   public MBeanTrustPermission(String target)
  77:   {
  78:     this(target, null);
  79:   }
  80: 
  81:   /**
  82:    * Constructs a {@link MBeanTrustPermission} with the given target
  83:    * and actions.  The target must be either <code>"register"</code>
  84:    * or <code>"*"</code>.  The actions must be either <code>null</code>
  85:    * or the empty string, <code>""</code>.
  86:    *
  87:    * @param target the target of this permission.
  88:    * @param actions the actions for this permission.
  89:    * @throws NullPointerException if <code>target</code> is null.
  90:    * @throws IllegalArgumentException if the target is other than
  91:    *                                  <code>"register"</code> or <code>"*"</code>
  92:    *                                  or actions is other than
  93:    *                                  <code>null</code> or <code>""</code>.
  94:    */
  95:   public MBeanTrustPermission(String target, String actions)
  96:   {
  97:     super(target, actions);
  98:     if ((!(target.equals("register"))) &&
  99:         (!(target.equals("*"))))
 100:       throw new IllegalArgumentException("The target must be 'register' or '*'");
 101:     if (actions != null && !(actions.length() == 0))
 102:       throw new IllegalArgumentException("The actions must be null or ''");
 103:   }
 104: 
 105: }