Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ModuleInterface |
|
| 1.0;1 |
1 | /* $Id: ModuleInterface.java 17824 2010-01-12 18:48:34Z linus $ | |
2 | ***************************************************************************** | |
3 | * Copyright (c) 2009 Contributors - see below | |
4 | * All rights reserved. This program and the accompanying materials | |
5 | * are made available under the terms of the Eclipse Public License v1.0 | |
6 | * which accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
8 | * | |
9 | * Contributors: | |
10 | * linus | |
11 | ***************************************************************************** | |
12 | * | |
13 | * Some portions of this file was previously release using the BSD License: | |
14 | */ | |
15 | ||
16 | // Copyright (c) 2004-2006 The Regents of the University of California. All | |
17 | // Rights Reserved. Permission to use, copy, modify, and distribute this | |
18 | // software and its documentation without fee, and without a written | |
19 | // agreement is hereby granted, provided that the above copyright notice | |
20 | // and this paragraph appear in all copies. This software program and | |
21 | // documentation are copyrighted by The Regents of the University of | |
22 | // California. The software program and documentation are supplied "AS | |
23 | // IS", without any accompanying services from The Regents. The Regents | |
24 | // does not warrant that the operation of the program will be | |
25 | // uninterrupted or error-free. The end-user understands that the program | |
26 | // was developed for research purposes and is advised not to rely | |
27 | // exclusively on the program for any reason. IN NO EVENT SHALL THE | |
28 | // UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, | |
29 | // SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, | |
30 | // ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF | |
31 | // THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF | |
32 | // SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY | |
33 | // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
34 | // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE | |
35 | // PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF | |
36 | // CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, | |
37 | // UPDATES, ENHANCEMENTS, OR MODIFICATIONS. | |
38 | ||
39 | package org.argouml.moduleloader; | |
40 | ||
41 | /** | |
42 | * This is the interface that each module needs to implement in order to be | |
43 | * loadable into ArgoUML according to the new module loader API. | |
44 | * | |
45 | * @author Linus Tolke | |
46 | * @since 0.17.1 | |
47 | */ | |
48 | public interface ModuleInterface { | |
49 | /** | |
50 | * Method to enable the module.<p> | |
51 | * | |
52 | * If it cannot enable the module because some other module is | |
53 | * not enabled it can return <code>false</code>. | |
54 | * In that case the module loader will defer this attempt until | |
55 | * all other modules are loaded (or until some more of ArgoUML is loaded | |
56 | * if at startup). Eventually it is only this and some other modules | |
57 | * that is not loaded and they will then be listed as having problems. | |
58 | * | |
59 | * @return true if all went well | |
60 | */ | |
61 | boolean enable(); | |
62 | ||
63 | /** | |
64 | * Method to disable the module.<p> | |
65 | * | |
66 | * If we cannot disable the module because some other module relies | |
67 | * on it, we return false. This will then make it impossible to turn off. | |
68 | * (An error is signalled at the attempt). | |
69 | * | |
70 | * @return true if all went well. | |
71 | */ | |
72 | boolean disable(); | |
73 | ||
74 | /** | |
75 | * The name of the module.<p> | |
76 | * | |
77 | * This should be a short string. For the purpose of having the GUI | |
78 | * that turns on and off the module look nice there is no whitespace in | |
79 | * this string (no spaces, tabs or newlines).<p> | |
80 | * | |
81 | * This name is also used as the key internally when modules checks for | |
82 | * other modules, if they are available. | |
83 | * | |
84 | * @return the name (A String). | |
85 | */ | |
86 | String getName(); | |
87 | ||
88 | /** | |
89 | * The info about the module.<p> | |
90 | * | |
91 | * This returns texts with information about the module.<p> | |
92 | * | |
93 | * The possible informations are retrieved by giving any of the | |
94 | * arguments:<ul> | |
95 | * <li>{@link #DESCRIPTION} | |
96 | * <li>{@link #AUTHOR} | |
97 | * <li>{@link #VERSION} | |
98 | * <li>{@link #DOWNLOADSITE} | |
99 | * </ul> | |
100 | * | |
101 | * If a module does not provide a specific piece of information, | |
102 | * <code>null</code> can be returned. Hence the normal implementation | |
103 | * should be:<pre> | |
104 | * public String getInfo(int type) { | |
105 | * switch (type) { | |
106 | * case DESCRIPTION: | |
107 | * return "This module does ..."; | |
108 | * case AUTHOR: | |
109 | * return "Annie Coder"; | |
110 | * default: | |
111 | * return null; | |
112 | * } | |
113 | * </pre> | |
114 | * | |
115 | * @param type The type of information. | |
116 | * @return The description. A String. | |
117 | */ | |
118 | String getInfo(int type); | |
119 | ||
120 | /** | |
121 | * The description of the module. | |
122 | */ | |
123 | int DESCRIPTION = 0; | |
124 | ||
125 | /** | |
126 | * The author of the module. | |
127 | */ | |
128 | int AUTHOR = 1; | |
129 | ||
130 | /** | |
131 | * The version of the module. | |
132 | */ | |
133 | int VERSION = 2; | |
134 | ||
135 | /** | |
136 | * The URL of the website stating information on where to download the | |
137 | * module. | |
138 | */ | |
139 | int DOWNLOADSITE = 3; | |
140 | } |