##### Coverage Report - org.webmacro.util.PrimitiveArrayIterator

Classes in this File | Line Coverage | Branch Coverage | Complexity
PrimitiveArrayIterator |
0% | 0/19
0% | 0/8
| 2.6;2.6

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 |  |
      *
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      * 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.Iterator;
27 |  |
     import java.util.NoSuchElementException;
28 |  |
29 |  |
30 |  |
     /**
31 |  |
      * This provides an iterator interface to an array of primitives.
32 |  |
      */
33 |  |
     final public class PrimitiveArrayIterator implements Iterator
34 |  |
     {
35 |  |
36 |  |
         private final Object a;
37 |  |
         private int _size;
38 |  |
         private int pos;
39 |  |
40 |  |
         /**
41 |  |
          * Construct an iterator given an enumeration.
42 |  |
          */
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         public PrimitiveArrayIterator (Object array)
44 | 0 |
         {
45 | 0 |
             if (!array.getClass().isArray())
46 | 0 |
                 throw new IllegalArgumentException(array.getClass().getName()
47 |  |
                         + " is not an array.");
48 | 0 |
             this.a = array;
49 | 0 |
             _size = java.lang.reflect.Array.getLength(a);
50 | 0 |
             pos = 0;
51 | 0 |
         }
52 |  |
53 |  |
         /**
54 |  |
          * Return true if we have not yet reached the end of the enumeration.
55 |  |
          */
56 |  |
         final public boolean hasNext ()
57 |  |
         {
58 | 0 |
             return (pos < _size);
59 |  |
         }
60 |  |
61 |  |
         /**
62 |  |
          * Advance the iterator and return the next value. Return null if we
63 |  |
          * reach the end of the enumeration.
64 |  |
          */
65 |  |
         final public Object next ()
66 |  |
         {
67 | 0 |
             if (pos < _size)
68 |  |
             {
69 | 0 |
                 return java.lang.reflect.Array.get(a, pos++);
70 |  |
             }
71 |  |
             else
72 |  |
             {
73 | 0 |
                 throw new NoSuchElementException("Advanced beyond end of array");
74 |  |
             }
75 |  |
         }
76 |  |
77 |  |
         /**
78 |  |
          * Unsupported.
79 |  |
          */
80 |  |
         final public void remove ()
81 |  |
         {
82 | 0 |
             throw new UnsupportedOperationException();
83 |  |
         }
84 |  |
85 |  |
         /**
86 |  |
          * Test harness
87 |  |
          */
88 |  |
         static public void main (String arg[])
89 |  |
         {
90 |  |
91 |  |
             try
92 |  |
             {
93 | 0 |
                 Iterator i = new PrimitiveArrayIterator(arg);
94 | 0 |
                 while (i.hasNext())
95 |  |
                 {
96 | 0 |
                     System.out.println("item: " + i.next());
97 |  |
                 }
98 |  |
             }
99 | 0 |
             catch (Exception e)
100 |  |
             {
101 | 0 |
                 e.printStackTrace();
102 | 0 |
             }
103 | 0 |
         }
104 |  |
     }
105 |  |