package org.apache.turbine.services.uniqueid;

/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2001-2003 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Apache" and "Apache Software Foundation" and
 *    "Apache Turbine" must not be used to endorse or promote products
 *    derived from this software without prior written permission. For
 *    written permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    "Apache Turbine", nor may "Apache" appear in their name, without
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 *
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

import org.apache.turbine.services.TurbineServices;

/**
 * This is a facade class for {@link UniqueIdService}.
 *
 * @author <a href="mailto:Rafal.Krzewski@e-point.pl">Rafal Krzewski</a>
 * @version $Id$
 */
public abstract class TurbineUniqueId
{
    /**
     * Utility method for accessing the service
     * implementation
     *
     * @return a UniqueIdService implementation instance
     */
    protected static UniqueIdService getService()
    {
        return (UniqueIdService) TurbineServices
                .getInstance().getService(UniqueIdService.SERVICE_NAME);
    }

    /**
     * <p> Returs an identifer of this Turbine instance that is unique
     * both on the server and worldwide.
     *
     * @return A String with the instance identifier.
     */
    public static String getInstanceId()
    {
        return getService().getInstanceId();
    }

    /**
     * <p> Returns an identifier that is unique within this turbine
     * instance, but does not have random-like apearance.
     *
     * @return A String with the non-random looking instance
     * identifier.
     */
    public static String getUniqueId()
    {
        return getService().getUniqueId();
    }

    /**
     * <p> Returns a unique identifier that looks like random data.
     *
     * @return A String with the random looking instance identifier.
     */
    public static String getPseudorandomId()
    {
        return getService().getPseudorandomId();
    }
}