Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ResourceBundleEnumeration |
|
| 0.0;0 |
1 | /* | |
2 | * Copyright 2001-2008 Sun Microsystems, Inc. All Rights Reserved. | |
3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 | * | |
5 | * This code is free software; you can redistribute it and/or modify it | |
6 | * under the terms of the GNU General Public License version 2 only, as | |
7 | * published by the Free Software Foundation. Sun designates this | |
8 | * particular file as subject to the "Classpath" exception as provided | |
9 | * by Sun in the LICENSE file that accompanied this code. | |
10 | * | |
11 | * This code is distributed in the hope that it will be useful, but WITHOUT | |
12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 | * version 2 for more details (a copy is included in the LICENSE file that | |
15 | * accompanied this code). | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License version | |
18 | * 2 along with this work; if not, write to the Free Software Foundation, | |
19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
20 | * | |
21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
22 | * CA 95054 USA or visit www.sun.com if you need additional information or | |
23 | * have any questions. | |
24 | */ | |
25 | ||
26 | /* | |
27 | * NOTE: | |
28 | * | |
29 | * This class was backported from the JDK6 runtime library, because some of | |
30 | * the functionality in this class aren't available on JDK5, which is at | |
31 | * the moment the target JRE environment for running JavaFX applications. | |
32 | * Once JDK5 is not a supported platform anymore, this class should be | |
33 | * removed. | |
34 | */ | |
35 | ||
36 | package com.sun.javafx.runtime.util.backport; | |
37 | ||
38 | import java.util.Enumeration; | |
39 | import java.util.Iterator; | |
40 | import java.util.NoSuchElementException; | |
41 | import java.util.Set; | |
42 | ||
43 | /** | |
44 | * Implements an Enumeration that combines elements from a Set and | |
45 | * an Enumeration. Used by ListResourceBundle and PropertyResourceBundle. | |
46 | */ | |
47 | 0 | public class ResourceBundleEnumeration implements Enumeration<String> { |
48 | ||
49 | Set<String> set; | |
50 | Iterator<String> iterator; | |
51 | Enumeration<String> enumeration; // may remain null | |
52 | ||
53 | /** | |
54 | * Constructs a resource bundle enumeration. | |
55 | * @param set an set providing some elements of the enumeration | |
56 | * @param enumeration an enumeration providing more elements of the enumeration. | |
57 | * enumeration may be null. | |
58 | */ | |
59 | 0 | public ResourceBundleEnumeration(Set<String> set, Enumeration<String> enumeration) { |
60 | 0 | this.set = set; |
61 | 0 | this.iterator = set.iterator(); |
62 | 0 | this.enumeration = enumeration; |
63 | 0 | } |
64 | ||
65 | 0 | String next = null; |
66 | ||
67 | public boolean hasMoreElements() { | |
68 | 0 | if (next == null) { |
69 | 0 | if (iterator.hasNext()) { |
70 | 0 | next = iterator.next(); |
71 | 0 | } else if (enumeration != null) { |
72 | 0 | while (next == null && enumeration.hasMoreElements()) { |
73 | 0 | next = enumeration.nextElement(); |
74 | 0 | if (set.contains(next)) { |
75 | 0 | next = null; |
76 | } | |
77 | } | |
78 | } | |
79 | } | |
80 | 0 | return next != null; |
81 | } | |
82 | ||
83 | public String nextElement() { | |
84 | 0 | if (hasMoreElements()) { |
85 | 0 | String result = next; |
86 | 0 | next = null; |
87 | 0 | return result; |
88 | } else { | |
89 | 0 | throw new NoSuchElementException(); |
90 | } | |
91 | } | |
92 | } |