Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
DictionaryTool |
|
| 1.3;1.3 |
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.util; | |
25 | ||
26 | import java.util.Dictionary; | |
27 | import java.util.Enumeration; | |
28 | ||
29 | /** | |
30 | * A HashTool wraps a java.util.Dictionary and provides additional features | |
31 | */ | |
32 | final public class DictionaryTool extends Dictionary | |
33 | { | |
34 | ||
35 | ||
36 | /** | |
37 | * Return a string which concatenates the keys, putting commas | |
38 | * between the keys | |
39 | */ | |
40 | public final String keyString () | |
41 | { | |
42 | 0 | final Enumeration keys = dict.keys(); |
43 | 0 | String key = null; |
44 | 0 | StringBuffer buf = new StringBuffer(10 * dict.size()); |
45 | 0 | while (keys.hasMoreElements()) |
46 | { | |
47 | 0 | if (key != null) |
48 | { | |
49 | 0 | buf.append(", "); |
50 | } | |
51 | 0 | key = (keys.nextElement()).toString(); |
52 | 0 | buf.append(key); |
53 | } | |
54 | 0 | return buf.toString(); |
55 | } | |
56 | ||
57 | /** | |
58 | * The dictionary being wrapped | |
59 | */ | |
60 | final private Dictionary dict; | |
61 | ||
62 | /** | |
63 | * Wrap the supplied dictionary. | |
64 | */ | |
65 | public DictionaryTool (final Dictionary dict) | |
66 | 0 | { |
67 | 0 | this.dict = dict; |
68 | 0 | } |
69 | ||
70 | /** | |
71 | * Forward call to Dictionary | |
72 | */ | |
73 | final public Enumeration elements () | |
74 | { | |
75 | 0 | return dict.elements(); |
76 | } | |
77 | ||
78 | /** | |
79 | * Forward call to Dictionary | |
80 | */ | |
81 | final public boolean isEmpty () | |
82 | { | |
83 | 0 | return dict.isEmpty(); |
84 | } | |
85 | ||
86 | /** | |
87 | * Forward call to Dictionary | |
88 | */ | |
89 | final public Object get (final Object key) | |
90 | { | |
91 | 0 | return dict.get(key); |
92 | } | |
93 | ||
94 | /** | |
95 | * Forward call to Dictionary | |
96 | */ | |
97 | final public Enumeration keys () | |
98 | { | |
99 | 0 | return dict.keys(); |
100 | } | |
101 | ||
102 | /** | |
103 | * Forward call to Dictionary | |
104 | */ | |
105 | final public Object put (final Object newKey, final Object newValue) | |
106 | { | |
107 | 0 | return dict.put(newKey, newValue); |
108 | } | |
109 | ||
110 | /** | |
111 | * Forward call to Dictionary | |
112 | */ | |
113 | final public Object remove (final Object key) | |
114 | { | |
115 | 0 | return dict.remove(key); |
116 | } | |
117 | ||
118 | /** | |
119 | * Forward call to Dictionary | |
120 | */ | |
121 | final public int size () | |
122 | { | |
123 | 0 | return dict.size(); |
124 | } | |
125 | ||
126 | static public void main (String arg[]) | |
127 | { | |
128 | ||
129 | 0 | Dictionary d = new java.util.Hashtable(); |
130 | ||
131 | 0 | System.out.println("Adding arguments to hashtable."); |
132 | 0 | for (int i = 0; i < arg.length; i++) |
133 | { | |
134 | 0 | d.put(arg[i], "argument " + i); |
135 | } | |
136 | ||
137 | 0 | System.out.println("Wrapping hashtable"); |
138 | 0 | DictionaryTool dt = new DictionaryTool(d); |
139 | ||
140 | 0 | System.out.println("keyString: " + dt.keyString()); |
141 | ||
142 | 0 | System.out.println("Done."); |
143 | 0 | } |
144 | ||
145 | } |