1 /* 2 * Copyright (c) 2005, 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.xml.internal.stream.util; 27 /** 28 * 29 * @author K.Venugopal ,Neeraj Bajaj Sun Microsystems. 30 */ 31 32 import java.util.Iterator; 33 34 public class ReadOnlyIterator implements Iterator { 35 36 Iterator iterator = null; 37 38 public ReadOnlyIterator(){ 39 } 40 41 public ReadOnlyIterator(Iterator itr){ 42 iterator = itr; 43 } 44 45 /** 46 * @return 47 */ 48 public boolean hasNext() { 49 if(iterator != null) 50 return iterator.hasNext(); 51 return false; 52 } 53 54 /** 55 * @return 56 */ 57 public Object next() { 58 if(iterator != null) 59 return iterator.next(); 60 return null; 61 } 62 63 public void remove() { 64 throw new UnsupportedOperationException("Remove operation is not supported"); 65 } 66 67 }