1 package org.apache.turbine.services.uniqueid;
2
3 /* ====================================================================
4 * The Apache Software License, Version 1.1
5 *
6 * Copyright (c) 2001 The Apache Software Foundation. All rights
7 * reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
19 * distribution.
20 *
21 * 3. The end-user documentation included with the redistribution,
22 * if any, must include the following acknowledgment:
23 * "This product includes software developed by the
24 * Apache Software Foundation (http://www.apache.org/)."
25 * Alternately, this acknowledgment may appear in the software itself,
26 * if and wherever such third-party acknowledgments normally appear.
27 *
28 * 4. The names "Apache" and "Apache Software Foundation" and
29 * "Apache Turbine" must not be used to endorse or promote products
30 * derived from this software without prior written permission. For
31 * written permission, please contact apache@apache.org.
32 *
33 * 5. Products derived from this software may not be called "Apache",
34 * "Apache Turbine", nor may "Apache" appear in their name, without
35 * prior written permission of the Apache Software Foundation.
36 *
37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
44 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
45 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
47 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48 * SUCH DAMAGE.
49 * ====================================================================
50 *
51 * This software consists of voluntary contributions made by many
52 * individuals on behalf of the Apache Software Foundation. For more
53 * information on the Apache Software Foundation, please see
54 * <http://www.apache.org/>.
55 */
56
57 import org.apache.turbine.services.TurbineServices;
58
59 /***
60 * This is a facade class for {@link UniqueIdService}.
61 *
62 * @author <a href="mailto:Rafal.Krzewski@e-point.pl">Rafal Krzewski</a>
63 * @version $Id: TurbineUniqueId.java,v 1.1.1.1 2001/08/16 05:09:23 jvanzyl Exp $
64 */
65 public abstract class TurbineUniqueId
66 {
67 /***
68 * Utility method for accessing the service
69 * implementation
70 *
71 * @return a UniqueIdService implementation instance
72 */
73 protected static UniqueIdService getService()
74 {
75 return (UniqueIdService)TurbineServices
76 .getInstance().getService(UniqueIdService.SERVICE_NAME);
77 }
78
79 /***
80 * <p> Returs an identifer of this Turbine instance that is unique
81 * both on the server and worldwide.
82 *
83 * @return A String with the instance identifier.
84 */
85 public static String getInstanceId()
86 {
87 return getService().getInstanceId();
88 }
89
90 /***
91 * <p> Returns an identifier that is unique within this turbine
92 * instance, but does not have random-like apearance.
93 *
94 * @return A String with the non-random looking instance
95 * identifier.
96 */
97 public static String getUniqueId()
98 {
99 return getService().getUniqueId();
100 }
101
102 /***
103 * <p> Returns a unique identifier that looks like random data.
104 *
105 * @return A String with the random looking instance identifier.
106 */
107 public static String getPseudorandomId()
108 {
109 return getService().getPseudorandomId();
110 }
111 }
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