1 /*
2  * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.
8  *
9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  *
23  */
24 
25 package sun.jvm.hotspot.utilities;
26 
27 import java.util.Iterator;
28 
29 /** An Iterator which wraps another and prevents the "remove" method
30     from being called */
31 
32 public class ConstIterator implements Iterator {
33   private Iterator iter;
34 
ConstIterator(Iterator iter)35   public ConstIterator(Iterator iter) {
36     this.iter = iter;
37   }
38 
hasNext()39   public boolean hasNext() {
40     return iter.hasNext();
41   }
42 
next()43   public Object next() {
44     return iter.next();
45   }
46 
remove()47   public void remove() {
48     throw new UnsupportedOperationException();
49   }
50 }
51