Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
UniqueIdService |
|
| 1.0;1 |
1 | package org.apache.turbine.services.uniqueid; | |
2 | ||
3 | ||
4 | /* | |
5 | * Licensed to the Apache Software Foundation (ASF) under one | |
6 | * or more contributor license agreements. See the NOTICE file | |
7 | * distributed with this work for additional information | |
8 | * regarding copyright ownership. The ASF licenses this file | |
9 | * to you under the Apache License, Version 2.0 (the | |
10 | * "License"); you may not use this file except in compliance | |
11 | * with the License. You may obtain a copy of the License at | |
12 | * | |
13 | * http://www.apache.org/licenses/LICENSE-2.0 | |
14 | * | |
15 | * Unless required by applicable law or agreed to in writing, | |
16 | * software distributed under the License is distributed on an | |
17 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
18 | * KIND, either express or implied. See the License for the | |
19 | * specific language governing permissions and limitations | |
20 | * under the License. | |
21 | */ | |
22 | ||
23 | ||
24 | import org.apache.turbine.services.Service; | |
25 | ||
26 | /** | |
27 | * <p> This service provides unique identifiers for the instance of | |
28 | * Turbine, and for objects it creates. | |
29 | * | |
30 | * @author <a href="mailto:Rafal.Krzewski@e-point.pl">Rafal Krzewski</a> | |
31 | * @version $Id: UniqueIdService.java 615328 2008-01-25 20:25:05Z tv $ | |
32 | */ | |
33 | public interface UniqueIdService | |
34 | extends Service | |
35 | { | |
36 | String SERVICE_NAME = "UniqueIdService"; | |
37 | ||
38 | /** | |
39 | * <p> Returs an identifer of this Turbine instance that is unique | |
40 | * both on the server and worldwide. | |
41 | * | |
42 | * @return A String with the instance identifier. | |
43 | */ | |
44 | String getInstanceId(); | |
45 | ||
46 | /** | |
47 | * <p> Returns an identifier that is unique within this turbine | |
48 | * instance, but does not have random-like apearance. | |
49 | * | |
50 | * <p> This method is intended to work fast; it can be used for | |
51 | * creating names of temporary files. | |
52 | * | |
53 | * @return A String with the non-random looking instance | |
54 | * identifier. | |
55 | * */ | |
56 | String getUniqueId(); | |
57 | ||
58 | /** | |
59 | * <p> Returns a unique identifier that looks like random data. | |
60 | * | |
61 | * <p> This method provides indentifiers in a way that makes it | |
62 | * hard to guess or count, but still ensures their uniqueness | |
63 | * within this instance of Turbine. It can be used for generating | |
64 | * cookies or other data that travels back and forth between | |
65 | * server and browser, and is potentialy security sensitive. | |
66 | * | |
67 | * @return A String with the random looking instance identifier. | |
68 | */ | |
69 | String getPseudorandomId(); | |
70 | } |