Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
GlobalVariable |
|
| 1.75;1.75 |
1 | /* | |
2 | * Copyright (C) 1998-2000 Semiotek Inc. All Rights Reserved. | |
3 | * | |
4 | * Redistribution and use in source and binary forms, with or without | |
5 | * modification, are permitted under the terms of either of the following | |
6 | * Open Source licenses: | |
7 | * | |
8 | * The GNU General Public License, version 2, or any later version, as | |
9 | * published by the Free Software Foundation | |
10 | * (http://www.fsf.org/copyleft/gpl.html); | |
11 | * | |
12 | * or | |
13 | * | |
14 | * The Semiotek Public License (http://webmacro.org/LICENSE.) | |
15 | * | |
16 | * This software is provided "as is", with NO WARRANTY, not even the | |
17 | * implied warranties of fitness to purpose, or merchantability. You | |
18 | * assume all risks and liabilities associated with its use. | |
19 | * | |
20 | * See www.webmacro.org for more information on the WebMacro project. | |
21 | */ | |
22 | ||
23 | ||
24 | package org.webmacro.engine; | |
25 | ||
26 | import org.webmacro.Context; | |
27 | import org.webmacro.PropertyException; | |
28 | ||
29 | ||
30 | /** | |
31 | * Operate on bean properties in a context | |
32 | */ | |
33 | final class GlobalVariable extends Variable | |
34 | { | |
35 | ||
36 | /** | |
37 | * No special initialization | |
38 | */ | |
39 | GlobalVariable (Object names[]) | |
40 | { | |
41 | 0 | super(names); |
42 | 0 | } |
43 | ||
44 | /** | |
45 | * Look up my value in the corresponding Map, possibly using introspection, | |
46 | * and return it | |
47 | * @exception PropertyException If the property does not exist | |
48 | */ | |
49 | public final Object getValue (Context context) | |
50 | throws PropertyException | |
51 | { | |
52 | 0 | return context.getProperty(_names); |
53 | } | |
54 | ||
55 | /** | |
56 | * Look up my the value of this variable in the specified Map, possibly | |
57 | * using introspection, and set it to the supplied value. | |
58 | * @exception PropertyException If the property does not exist | |
59 | */ | |
60 | public final void setValue (Context context, Object newValue) | |
61 | throws PropertyException | |
62 | { | |
63 | ||
64 | 0 | if (!context.set(_names, newValue)) |
65 | { | |
66 | 0 | throw new PropertyException("No method to set \"" + getVariableName() + |
67 | "\" to type " + | |
68 | ((newValue == null) ? "null" : newValue.getClass().toString()) | |
69 | + " in supplied context (" + context.getClass() + ")"); | |
70 | } | |
71 | 0 | } |
72 | ||
73 | /** | |
74 | * Return a string representation naming the variable for | |
75 | * debugging purposes. | |
76 | */ | |
77 | public final String toString () | |
78 | { | |
79 | 0 | return "global:" + getVariableName(); |
80 | } | |
81 | ||
82 | } |