01: /*
02: * $Id: ReadOnlyIterator.java,v 1.2 2006/04/01 06:01:52 jeffsuttor Exp $
03: */
04:
05: /*
06: * The contents of this file are subject to the terms
07: * of the Common Development and Distribution License
08: * (the License). You may not use this file except in
09: * compliance with the License.
10: *
11: * You can obtain a copy of the license at
12: * https://glassfish.dev.java.net/public/CDDLv1.0.html.
13: * See the License for the specific language governing
14: * permissions and limitations under the License.
15: *
16: * When distributing Covered Code, include this CDDL
17: * Header Notice in each file and include the License file
18: * at https://glassfish.dev.java.net/public/CDDLv1.0.html.
19: * If applicable, add the following below the CDDL Header,
20: * with the fields enclosed by brackets [] replaced by
21: * you own identifying information:
22: * "Portions Copyrighted [year] [name of copyright owner]"
23: *
24: * [Name of File] [ver.__] [Date]
25: *
26: * Copyright 2006 Sun Microsystems Inc. All Rights Reserved
27: */
28:
29: package com.sun.xml.stream.util;
30:
31: /**
32: *
33: * @author K.Venugopal ,Neeraj Bajaj Sun Microsystems.
34: */
35:
36: import java.util.Iterator;
37:
38: public class ReadOnlyIterator implements Iterator {
39:
40: Iterator iterator = null;
41:
42: public ReadOnlyIterator() {
43: }
44:
45: public ReadOnlyIterator(Iterator itr) {
46: iterator = itr;
47: }
48:
49: /**
50: * @return
51: */
52: public boolean hasNext() {
53: if (iterator != null)
54: return iterator.hasNext();
55: return false;
56: }
57:
58: /**
59: * @return
60: */
61: public Object next() {
62: if (iterator != null)
63: return iterator.next();
64: return null;
65: }
66:
67: public void remove() {
68: throw new UnsupportedOperationException(
69: "Remove operation is not supported");
70: }
71:
72: }
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