// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program 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 for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.osutil;


import java.io.*;


/**
 * This class is a simple reflection of the Unix getuid/setuid
 * functionality
 */
public class UserID {

    /**
     * Return the current real user ID of the JavaVM
     */
    public static native int get();

    /**
     * Return the current effective user ID of the JavaVM
     */
    public static native int getEffective();

    /**
     * Set the current real user ID of the JavaVM
     *
     * @param id the user id
     */
    public static native void set(int id);

    /**
     * Set the current real user ID of the JavaVM
     *
     * @param user the user name
     */
    public static native void set(String user);

    /**
     * Set the current effective user ID of the JavaVM
     *
     * @param id the user id
     */
    public static native void setEffective(int id);

    /**
     * Set the current effective user ID of the JavaVM
     *
     * @param user the user name
     */
    public static native void setEffective(String user);

    static {
        if (File.separatorChar == '/')
            System.loadLibrary("osutil");
    }
}