1 /* 2 * Copyright (C) 2010 The Guava Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.common.collect; 18 19 import com.google.common.annotations.GwtCompatible; 20 21 import java.util.ListIterator; 22 23 /** 24 * A list iterator that does not support {@link #remove}, {@link #add}, or 25 * {@link #set}. 26 * 27 * @since 7.0 28 * @author Louis Wasserman 29 */ 30 @GwtCompatible 31 public abstract class UnmodifiableListIterator<E> 32 extends UnmodifiableIterator<E> implements ListIterator<E> { 33 /** Constructor for use by subclasses. */ 34 protected UnmodifiableListIterator() {} 35 36 /** 37 * Guaranteed to throw an exception and leave the underlying data unmodified. 38 * 39 * @throws UnsupportedOperationException always 40 * @deprecated Unsupported operation. 41 */ 42 @Deprecated @Override public final void add(E e) { 43 throw new UnsupportedOperationException(); 44 } 45 46 /** 47 * Guaranteed to throw an exception and leave the underlying data unmodified. 48 * 49 * @throws UnsupportedOperationException always 50 * @deprecated Unsupported operation. 51 */ 52 @Deprecated @Override public final void set(E e) { 53 throw new UnsupportedOperationException(); 54 } 55 } 56
