001    package org.apache.turbine.services.uniqueid;
002    
003    
004    /*
005     * Licensed to the Apache Software Foundation (ASF) under one
006     * or more contributor license agreements.  See the NOTICE file
007     * distributed with this work for additional information
008     * regarding copyright ownership.  The ASF licenses this file
009     * to you under the Apache License, Version 2.0 (the
010     * "License"); you may not use this file except in compliance
011     * with the License.  You may obtain a copy of the License at
012     *
013     *   http://www.apache.org/licenses/LICENSE-2.0
014     *
015     * Unless required by applicable law or agreed to in writing,
016     * software distributed under the License is distributed on an
017     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
018     * KIND, either express or implied.  See the License for the
019     * specific language governing permissions and limitations
020     * under the License.
021     */
022    
023    
024    import org.apache.turbine.services.TurbineServices;
025    
026    /**
027     * This is a facade class for {@link UniqueIdService}.
028     *
029     * @author <a href="mailto:Rafal.Krzewski@e-point.pl">Rafal Krzewski</a>
030     * @version $Id: TurbineUniqueId.java 615328 2008-01-25 20:25:05Z tv $
031     */
032    public abstract class TurbineUniqueId
033    {
034        /**
035         * Utility method for accessing the service
036         * implementation
037         *
038         * @return a UniqueIdService implementation instance
039         */
040        protected static UniqueIdService getService()
041        {
042            return (UniqueIdService) TurbineServices
043                    .getInstance().getService(UniqueIdService.SERVICE_NAME);
044        }
045    
046        /**
047         * <p> Returs an identifer of this Turbine instance that is unique
048         * both on the server and worldwide.
049         *
050         * @return A String with the instance identifier.
051         */
052        public static String getInstanceId()
053        {
054            return getService().getInstanceId();
055        }
056    
057        /**
058         * <p> Returns an identifier that is unique within this turbine
059         * instance, but does not have random-like apearance.
060         *
061         * @return A String with the non-random looking instance
062         * identifier.
063         */
064        public static String getUniqueId()
065        {
066            return getService().getUniqueId();
067        }
068    
069        /**
070         * <p> Returns a unique identifier that looks like random data.
071         *
072         * @return A String with the random looking instance identifier.
073         */
074        public static String getPseudorandomId()
075        {
076            return getService().getPseudorandomId();
077        }
078    }