/*

 * Copyright (c) 2003, 2007, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 * questions.

 */

package javax.management.remote;

import java.security.BasicPermission;

/**

 * <p>Permission required by an authentication identity to perform

 * operations on behalf of an authorization identity.</p>

 *

 * <p>A SubjectDelegationPermission contains a name (also referred

 * to as a "target name") but no actions list; you either have the

 * named permission or you don't.</p>

 *

 * <p>The target name is the name of the authorization principal

 * classname followed by a period and the authorization principal

 * name, that is

 * <code>"<em>PrincipalClassName</em>.<em>PrincipalName</em>"</code>.</p>

 *

 * <p>An asterisk may appear by itself, or if immediately preceded

 * by a "." may appear at the end of the target name, to signify a

 * wildcard match.</p>

 *

 * <p>For example, "*", "javax.management.remote.JMXPrincipal.*" and

 * "javax.management.remote.JMXPrincipal.delegate" are valid target

 * names. The first one denotes any principal name from any principal

 * class, the second one denotes any principal name of the concrete

 * principal class <code>javax.management.remote.JMXPrincipal</code>

 * and the third one denotes a concrete principal name

 * <code>delegate</code> of the concrete principal class

 * <code>javax.management.remote.JMXPrincipal</code>.</p>

 *

 * @since 1.5

 */

public final class SubjectDelegationPermission extends BasicPermission {

    private static final long serialVersionUID = 1481618113008682343L;

    /**

     * Creates a new SubjectDelegationPermission with the specified name.

     * The name is the symbolic name of the SubjectDelegationPermission.

     *

     * @param name the name of the SubjectDelegationPermission

     *

     * @throws NullPointerException if <code>name</code> is

     * <code>null</code>.

     * @throws IllegalArgumentException if <code>name</code> is empty.

     */

    public SubjectDelegationPermission(String name) {

        super(name);

    }

    /**

     * Creates a new SubjectDelegationPermission object with the

     * specified name.  The name is the symbolic name of the

     * SubjectDelegationPermission, and the actions String is

     * currently unused and must be null.

     *

     * @param name the name of the SubjectDelegationPermission

     * @param actions must be null.

     *

     * @throws NullPointerException if <code>name</code> is

     * <code>null</code>.

     * @throws IllegalArgumentException if <code>name</code> is empty

     * or <code>actions</code> is not null.

     */

    public SubjectDelegationPermission(String name, String actions) {

        super(name, actions);

        if (actions != null)

            throw new IllegalArgumentException("Non-null actions");

    }

}