/*

 * Copyright (c) 1999, 2013, 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package com.sun.security.auth;

import java.security.Principal;

/**

 * This class implements the {@code Principal} interface

 * and represents a user's Solaris group identification number (GID).

 *

 * <p> Principals such as this {@code SolarisNumericGroupPrincipal}

 * may be associated with a particular {@code Subject}

 * to augment that {@code Subject} with an additional

 * identity.  Refer to the {@code Subject} class for more information

 * on how to achieve this.  Authorization decisions can then be based upon

 * the Principals associated with a {@code Subject}.

 * @deprecated As of JDK 1.4, replaced by

 *             {@link UnixNumericGroupPrincipal}.

 *             This class is entirely deprecated.

 *

 * @see java.security.Principal

 * @see javax.security.auth.Subject

 */

public class SolarisNumericGroupPrincipal implements

                                        Principal,

                                        java.io.Serializable {

    private static final long serialVersionUID = 2345199581042573224L;

    private static final java.util.ResourceBundle rb =

          java.security.AccessController.doPrivileged

          (new java.security.PrivilegedAction<java.util.ResourceBundle>() {

              public java.util.ResourceBundle run() {

                  return (java.util.ResourceBundle.getBundle

                                ("sun.security.util.AuthResources",

                                sun.security.util.ResourcesMgr.class.getModule()));

              }

          });

    /**

     * @serial

     */

    private String name;

    /**

     * @serial

     */

    private boolean primaryGroup;

    /**

     * Create a {@code SolarisNumericGroupPrincipal} using a

     * {@code String} representation of the user's

     * group identification number (GID).

     *

     * @param name the user's group identification number (GID)

     *                  for this user.

     *

     * @param primaryGroup true if the specified GID represents the

     *                  primary group to which this user belongs.

     *

     * @exception NullPointerException if the {@code name}

     *                  is {@code null}.

     */

    public SolarisNumericGroupPrincipal(String name, boolean primaryGroup) {

        if (name == null)

            throw new NullPointerException(rb.getString("provided.null.name"));

        this.name = name;

        this.primaryGroup = primaryGroup;

    }

    /**

     * Create a {@code SolarisNumericGroupPrincipal} using a

     * long representation of the user's group identification number (GID).

     *

     * @param name the user's group identification number (GID) for this user

     *                  represented as a long.

     *

     * @param primaryGroup true if the specified GID represents the

     *                  primary group to which this user belongs.

     *

     */

    public SolarisNumericGroupPrincipal(long name, boolean primaryGroup) {

        this.name = Long.toString(name);

        this.primaryGroup = primaryGroup;

    }

    /**

     * Return the user's group identification number (GID) for this

     * {@code SolarisNumericGroupPrincipal}.

     *

     * @return the user's group identification number (GID) for this

     *          {@code SolarisNumericGroupPrincipal}

     */

    public String getName() {

        return name;

    }

    /**

     * Return the user's group identification number (GID) for this

     * {@code SolarisNumericGroupPrincipal} as a long.

     *

     * @return the user's group identification number (GID) for this

     *          {@code SolarisNumericGroupPrincipal} as a long.

     */

    public long longValue() {

        return Long.parseLong(name);

    }

    /**

     * Return whether this group identification number (GID) represents

     * the primary group to which this user belongs.

     *

     * @return true if this group identification number (GID) represents

     *          the primary group to which this user belongs,

     *          or false otherwise.

     */

    public boolean isPrimaryGroup() {

        return primaryGroup;

    }

    /**

     * Return a string representation of this

     * {@code SolarisNumericGroupPrincipal}.

     *

     * @return a string representation of this

     *          {@code SolarisNumericGroupPrincipal}.

     */

    public String toString() {

        return((primaryGroup ?

            rb.getString

            ("SolarisNumericGroupPrincipal.Primary.Group.") + name :

            rb.getString

            ("SolarisNumericGroupPrincipal.Supplementary.Group.") + name));

    }

    /**

     * Compares the specified Object with this

     * {@code SolarisNumericGroupPrincipal}

     * for equality.  Returns true if the given object is also a

     * {@code SolarisNumericGroupPrincipal} and the two

     * SolarisNumericGroupPrincipals

     * have the same group identification number (GID).

     *

     * @param o Object to be compared for equality with this

     *          {@code SolarisNumericGroupPrincipal}.

     *

     * @return true if the specified Object is equal to this

     *          {@code SolarisNumericGroupPrincipal}.

     */

    public boolean equals(Object o) {

        if (o == null)

            return false;

        if (this == o)

            return true;

        if (!(o instanceof SolarisNumericGroupPrincipal))

            return false;

        SolarisNumericGroupPrincipal that = (SolarisNumericGroupPrincipal)o;

        if (this.getName().equals(that.getName()) &&

            this.isPrimaryGroup() == that.isPrimaryGroup())

            return true;

        return false;

    }

    /**

     * Return a hash code for this {@code SolarisNumericGroupPrincipal}.

     *

     * @return a hash code for this {@code SolarisNumericGroupPrincipal}.

     */

    public int hashCode() {

        return toString().hashCode();

    }

}