| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| SelectList |
|
| 2.0;2 |
| 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.Enumeration; | |
| 27 | import java.util.NoSuchElementException; | |
| 28 | ||
| 29 | /** | |
| 30 | * Selects from a list of things as an enumerator. | |
| 31 | */ | |
| 32 | public class SelectList implements Enumeration | |
| 33 | { | |
| 34 | ||
| 35 | Object[] _values; | |
| 36 | int _current; | |
| 37 | int _selected; | |
| 38 | ||
| 39 | public SelectList (Object[] elements, int selected) | |
| 40 | 0 | { |
| 41 | 0 | _current = -1; |
| 42 | 0 | _selected = selected; |
| 43 | 0 | _values = elements; |
| 44 | 0 | } |
| 45 | ||
| 46 | public boolean hasMoreElements () | |
| 47 | { | |
| 48 | 0 | return ((_current + 1) < _values.length); |
| 49 | } | |
| 50 | ||
| 51 | public Object nextElement () | |
| 52 | { | |
| 53 | 0 | _current++; |
| 54 | 0 | if (_current >= _values.length) |
| 55 | { | |
| 56 | 0 | throw new NoSuchElementException("List only has " |
| 57 | + _values.length + " elements"); | |
| 58 | } | |
| 59 | 0 | return this; |
| 60 | } | |
| 61 | ||
| 62 | public boolean isSelected () | |
| 63 | { | |
| 64 | 0 | return (_current == _selected); |
| 65 | } | |
| 66 | ||
| 67 | public String getSelected () | |
| 68 | { | |
| 69 | 0 | return isSelected() ? "SELECTED" : ""; |
| 70 | } | |
| 71 | ||
| 72 | public Object getValue () | |
| 73 | { | |
| 74 | try | |
| 75 | { | |
| 76 | 0 | return _values[_current]; |
| 77 | } | |
| 78 | 0 | catch (Exception e) |
| 79 | { | |
| 80 | 0 | return null; |
| 81 | } | |
| 82 | } | |
| 83 | ||
| 84 | public String toString () | |
| 85 | { | |
| 86 | try | |
| 87 | { | |
| 88 | 0 | return _values[_current].toString(); |
| 89 | } | |
| 90 | 0 | catch (Exception e) |
| 91 | { | |
| 92 | 0 | return null; |
| 93 | } | |
| 94 | } | |
| 95 | ||
| 96 | } |