01: /*
02: * (C) Copyright 2003 Nabh Information Systems, Inc.
03: *
04: * All copyright notices regarding Nabh's products MUST remain
05: * intact in the scripts and in the outputted HTML.
06: * This program is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public License
08: * as published by the Free Software Foundation; either version 2.1
09: * of the License, or (at your option) any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: * GNU Lesser General Public License for more details.
15: *
16: * You should have received a copy of the GNU Lesser General Public License
17: * along with this program; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19: *
20: */
21:
22: package com.nabhinc.util;
23:
24: import java.util.Iterator;
25:
26: /**
27: *
28: *
29: * @author Padmanabh Dabke
30: * (c) 2003 Nabh Information Systems, Inc. All Rights Reserved.
31: */
32: public class SingleValueIterator implements Iterator {
33:
34: private Object sviValue = null;
35: boolean sviValueNotAccessed = true;
36:
37: /**
38: *
39: * @param value
40: */
41: public SingleValueIterator(Object value) {
42: sviValue = value;
43: }
44:
45: /**
46: * @see java.util.Iterator#remove()
47: */
48: public void remove() {
49: // does not do anything
50:
51: }
52:
53: /**
54: * @see java.util.Iterator#hasNext()
55: */
56: public boolean hasNext() {
57: return sviValueNotAccessed && (sviValue != null);
58: }
59:
60: /**
61: * @see java.util.Iterator#next()
62: */
63: public Object next() {
64: sviValueNotAccessed = false;
65: return sviValue;
66: }
67:
68: }
|