Java example source code file (SolarisSystem.java)

This example Java source code file (SolarisSystem.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

solarissystem, string

The SolarisSystem.java Java example source code

/*
 * Copyright (c) 2000, 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.module;

/**
 * <p> This class implementation retrieves and makes available Solaris
 * UID/GID/groups information for the current user.
 *
 */
@jdk.Exported
public class SolarisSystem {

    private native void getSolarisInfo();

    protected String username;
    protected long uid;
    protected long gid;
    protected long[] groups;

    /**
     * Instantiate a <code>SolarisSystem and load
     * the native library to access the underlying system information.
     */
    public SolarisSystem() {
        System.loadLibrary("jaas_unix");
        getSolarisInfo();
    }

    /**
     * Get the username for the current Solaris user.
     *
     * <p>
     *
     * @return the username for the current Solaris user.
     */
    public String getUsername() {
        return username;
    }

    /**
     * Get the UID for the current Solaris user.
     *
     * <p>
     *
     * @return the UID for the current Solaris user.
     */
    public long getUid() {
        return uid;
    }

    /**
     * Get the GID for the current Solaris user.
     *
     * <p>
     *
     * @return the GID for the current Solaris user.
     */
    public long getGid() {
        return gid;
    }

    /**
     * Get the supplementary groups for the current Solaris user.
     *
     * <p>
     *
     * @return the supplementary groups for the current Solaris user.
     */
    public long[] getGroups() {
        return groups == null ? null : groups.clone();
    }
}