001 /* MBeanTrustPermission.java -- Represents a trusted bean source.
002 Copyright (C) 2006 Free Software Foundation, Inc.
003
004 This file is part of GNU Classpath.
005
006 GNU Classpath is free software; you can redistribute it and/or modify
007 it under the terms of the GNU General Public License as published by
008 the Free Software Foundation; either version 2, or (at your option)
009 any later version.
010
011 GNU Classpath is distributed in the hope that it will be useful, but
012 WITHOUT ANY WARRANTY; without even the implied warranty of
013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014 General Public License for more details.
015
016 You should have received a copy of the GNU General Public License
017 along with GNU Classpath; see the file COPYING. If not, write to the
018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019 02110-1301 USA.
020
021 Linking this library statically or dynamically with other modules is
022 making a combined work based on this library. Thus, the terms and
023 conditions of the GNU General Public License cover the whole
024 combination.
025
026 As a special exception, the copyright holders of this library give you
027 permission to link this library with independent modules to produce an
028 executable, regardless of the license terms of these independent
029 modules, and to copy and distribute the resulting executable under
030 terms of your choice, provided that you also meet, for each linked
031 independent module, the terms and conditions of the license of that
032 module. An independent module is a module which is not derived from
033 or based on this library. If you modify this library, you may extend
034 this exception to your version of the library, but you are not
035 obligated to do so. If you do not wish to do so, delete this
036 exception statement from your version. */
037
038 package javax.management;
039
040 import java.security.BasicPermission;
041
042 /**
043 * Represents the permission held by a trusted source of
044 * management beans. For a bean to be added to a management
045 * server, the source of that bean must hold this permission.
046 * It has a target, but no actions. Valid values for the target
047 * are <code>"register"</code> and <code>"*"</code>, the latter
048 * representing both the existing <code>"register"</code> target
049 * and any future targets.
050 *
051 * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
052 * @since 1.5
053 */
054 public class MBeanTrustPermission
055 extends BasicPermission
056 {
057
058 /**
059 * Compatible with JDK 1.5
060 */
061 private static final long serialVersionUID = -2952178077029018140L;
062
063 /**
064 * Constructs a {@link MBeanTrustPermission} with the given target.
065 * The target must be either <code>"register"</code> or <code>"*"</code>.
066 * The actions of the permission default to <code>null</code>,
067 * so this is equivalent to calling
068 * <code>MBeanTrustPermission(target, null)</code>.
069 *
070 * @param target the target of this permission.
071 * @throws NullPointerException if <code>target</code> is null.
072 * @throws IllegalArgumentException if the target is other than
073 * <code>"register"</code> or <code>"*"</code>.
074 * @see #MBeanTrustPermission(String, String)
075 */
076 public MBeanTrustPermission(String target)
077 {
078 this(target, null);
079 }
080
081 /**
082 * Constructs a {@link MBeanTrustPermission} with the given target
083 * and actions. The target must be either <code>"register"</code>
084 * or <code>"*"</code>. The actions must be either <code>null</code>
085 * or the empty string, <code>""</code>.
086 *
087 * @param target the target of this permission.
088 * @param actions the actions for this permission.
089 * @throws NullPointerException if <code>target</code> is null.
090 * @throws IllegalArgumentException if the target is other than
091 * <code>"register"</code> or <code>"*"</code>
092 * or actions is other than
093 * <code>null</code> or <code>""</code>.
094 */
095 public MBeanTrustPermission(String target, String actions)
096 {
097 super(target, actions);
098 if ((!(target.equals("register"))) &&
099 (!(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 }