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

Classes in this File | Line Coverage | Branch Coverage | Complexity
ArrayIterator |
43% | 7/16
50% | 3/6
| 2.2;2.2

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 |  |
     package org.webmacro.util;
24 |  |
25 |  |
     import java.util.Iterator;
26 |  |
     import java.util.NoSuchElementException;
27 |  |
28 |  |
     /**
29 |  |
      * An Iterator interface to an array.
30 |  |
      */
31 |  |
     final public class ArrayIterator implements Iterator
32 |  |
     {
33 |  |
34 |  |
         final Object[] a;
35 |  |
         int pos;
36 |  |
37 |  |
         /**
38 |  |
          * Construct an iterator given an enumeration.
39 |  |
          */
40 |  |
         public ArrayIterator (Object[] array)
41 | 2 |
         {
42 | 2 |
             this.a = array;
43 | 2 |
             pos = 0;
44 | 2 |
         }
45 |  |
46 |  |
         /**
47 |  |
          * @return true if we have not yet reached the end of the enumeration.
48 |  |
          */
49 |  |
         final public boolean hasNext ()
50 |  |
         {
51 | 4 |
             return (pos < a.length);
52 |  |
         }
53 |  |
54 |  |
         /**
55 |  |
          * Advance the iterator and return the next value. Return null if we
56 |  |
          * reach the end of the enumeration.
57 |  |
          */
58 |  |
         final public Object next ()
59 |  |
         {
60 | 2 |
             if (pos < a.length)
61 |  |
             {
62 | 2 |
                 return a[pos++];
63 |  |
             }
64 |  |
             else
65 |  |
             {
66 | 0 |
                 throw new NoSuchElementException("Advanced beyond end of array");
67 |  |
             }
68 |  |
         }
69 |  |
70 |  |
         /**
71 |  |
          * Unsupported.
72 |  |
          */
73 |  |
         final public void remove ()
74 |  |
         {
75 | 0 |
             throw new UnsupportedOperationException();
76 |  |
         }
77 |  |
78 |  |
         /**
79 |  |
          * Test harness.
80 |  |
          */
81 |  |
         static public void main (String arg[])
82 |  |
         {
83 |  |
84 |  |
             try
85 |  |
             {
86 | 0 |
                 Iterator i = new ArrayIterator(arg);
87 | 0 |
                 while (i.hasNext())
88 |  |
                 {
89 | 0 |
                     System.out.println("item: " + i.next());
90 |  |
                 }
91 |  |
             }
92 | 0 |
             catch (Exception e)
93 |  |
             {
94 | 0 |
                 e.printStackTrace();
95 | 0 |
             }
96 | 0 |
         }
97 |  |
     }
98 |  |