Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
Namespace |
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| 1.0;1 |
1 | /* $Id: Namespace.java 17892 2010-01-12 21:21:35Z 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 | * mvw | |
11 | ***************************************************************************** | |
12 | * | |
13 | * Some portions of this file was previously release using the BSD License: | |
14 | */ | |
15 | ||
16 | // Copyright (c) 2003-2006 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.uml.util.namespace; | |
40 | ||
41 | import java.util.Iterator; | |
42 | ||
43 | /** | |
44 | * The Namespace interface provides methods and constants which any class | |
45 | * dealing with namespaces needs to implement. | |
46 | * | |
47 | * @author mkl | |
48 | * | |
49 | */ | |
50 | public interface Namespace { | |
51 | ||
52 | /** | |
53 | * the scope token for java. | |
54 | */ | |
55 | public static final String JAVA_NS_TOKEN = "."; | |
56 | ||
57 | /** | |
58 | * the scope token for uml. | |
59 | */ | |
60 | public static final String UML_NS_TOKEN = "::"; | |
61 | ||
62 | /** | |
63 | * the scope token for c++. | |
64 | */ | |
65 | public static final String CPP_NS_TOKEN = "::"; | |
66 | ||
67 | /** | |
68 | * returns the namespace which is common to both namespaces, e.g. | |
69 | * <code>org.argouml.model</code> | |
70 | * and <code>org.argouml.util</code> have <code>org.argouml</code> in | |
71 | * common. | |
72 | * | |
73 | * @param namespace | |
74 | * a namespace | |
75 | * @return the common or empty namespace | |
76 | */ | |
77 | Namespace getCommonNamespace(Namespace namespace); | |
78 | ||
79 | /** | |
80 | * returns the base of a namespace, e.g. the base of | |
81 | * <code>org.argouml.util</code> | |
82 | * is <code>org.argouml</code>. | |
83 | * | |
84 | * @return base namespace | |
85 | */ | |
86 | Namespace getBaseNamespace(); | |
87 | ||
88 | /** | |
89 | * add another element to a namespace. | |
90 | * | |
91 | * @param element the element to add | |
92 | */ | |
93 | void pushNamespaceElement(NamespaceElement element); | |
94 | ||
95 | /** | |
96 | * reduces the innermost namespace element, | |
97 | * e.g. <code>org.argouml.model</code> | |
98 | * will return <code>model</code>, and change the namespace | |
99 | * to <code>org.argouml</code>. | |
100 | * | |
101 | * @return the popped element. | |
102 | */ | |
103 | NamespaceElement popNamespaceElement(); | |
104 | ||
105 | /** | |
106 | * return the innermost namespace element without removing it. | |
107 | * | |
108 | * @return the innermost namespace element | |
109 | */ | |
110 | NamespaceElement peekNamespaceElement(); | |
111 | ||
112 | /** | |
113 | * namespaces usually have a scope operator when used in representational | |
114 | * form. see also the predifined constants. | |
115 | * | |
116 | * @param token | |
117 | * the token to use from now on. | |
118 | */ | |
119 | void setDefaultScopeToken(String token); | |
120 | ||
121 | /** | |
122 | * return an iterator to the namespace elements. | |
123 | * | |
124 | * @return an iterator of NamespaceElements. | |
125 | */ | |
126 | Iterator iterator(); | |
127 | ||
128 | /** | |
129 | * check if the namespace is empty. | |
130 | * | |
131 | * @return true if empty | |
132 | */ | |
133 | boolean isEmpty(); | |
134 | ||
135 | /** | |
136 | * return a string representation of the namespace with the given token. | |
137 | * The existence of the method implies that classes also must implement | |
138 | * toString() in a reasonable manner using the default token. | |
139 | * | |
140 | * @param token the token to be converted | |
141 | * @return a string representation of the namespace | |
142 | */ | |
143 | String toString(String token); | |
144 | } |