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Java > Open Source Codes > org > lobobrowser > util > ArrayUtilities


1 /*
2     GNU LESSER GENERAL PUBLIC LICENSE
3     Copyright (C) 2006 The Lobo Project
4
5     This library is free software; you can redistribute it and/or
6     modify it under the terms of the GNU Lesser General Public
7     License as published by the Free Software Foundation; either
8     version 2.1 of the License, or (at your option) any later version.
9
10     This library is distributed in the hope that it will be useful,
11     but WITHOUT ANY WARRANTY; without even the implied warranty of
12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13     Lesser General Public License for more details.
14
15     You should have received a copy of the GNU Lesser General Public
16     License along with this library; if not, write to the Free Software
17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
19     Contact info: xamjadmin@users.sourceforge.net
20 */
21 /*
22  * Created on Apr 17, 2005
23  */
24 package org.lobobrowser.util;
25
26 import java.util.*;
27
28 /**
29  * @author J. H. S.
30  */
31 public class ArrayUtilities {
32
33     /**
34      *
35      */
36     private ArrayUtilities() {
37         super();
38     }
39
40     public static Iterator iterator(Object JavaDoc[] array, int offset, int length) {
41         return new ArrayIterator(array, offset, length);
42     }
43     
44     private static class ArrayIterator implements Iterator {
45         private final Object JavaDoc[] array;
46         private final int top;
47         private int offset;
48         
49         public ArrayIterator(Object JavaDoc[] array, int offset, int length) {
50             this.array = array;
51             this.offset = offset;
52             this.top = offset + length;
53         }
54         
55         /* (non-Javadoc)
56          * @see java.util.Iterator#hasNext()
57          */
58         public boolean hasNext() {
59             return this.offset < this.top;
60         }
61         
62         /* (non-Javadoc)
63          * @see java.util.Iterator#next()
64          */
65         public Object JavaDoc next() {
66             return this.array[this.offset++];
67         }
68         
69         /* (non-Javadoc)
70          * @see java.util.Iterator#remove()
71          */
72         public void remove() {
73             throw new UnsupportedOperationException JavaDoc();
74         }
75     }
76 }
77
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