10888a09821a98ac0680fad765217302858e70fa4Paul Duffin/* 20888a09821a98ac0680fad765217302858e70fa4Paul Duffin * Copyright (C) 2009 The Guava Authors 30888a09821a98ac0680fad765217302858e70fa4Paul Duffin * 40888a09821a98ac0680fad765217302858e70fa4Paul Duffin * Licensed under the Apache License, Version 2.0 (the "License"); 50888a09821a98ac0680fad765217302858e70fa4Paul Duffin * you may not use this file except in compliance with the License. 60888a09821a98ac0680fad765217302858e70fa4Paul Duffin * You may obtain a copy of the License at 70888a09821a98ac0680fad765217302858e70fa4Paul Duffin * 80888a09821a98ac0680fad765217302858e70fa4Paul Duffin * http://www.apache.org/licenses/LICENSE-2.0 90888a09821a98ac0680fad765217302858e70fa4Paul Duffin * 100888a09821a98ac0680fad765217302858e70fa4Paul Duffin * Unless required by applicable law or agreed to in writing, software 110888a09821a98ac0680fad765217302858e70fa4Paul Duffin * distributed under the License is distributed on an "AS IS" BASIS, 120888a09821a98ac0680fad765217302858e70fa4Paul Duffin * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 130888a09821a98ac0680fad765217302858e70fa4Paul Duffin * See the License for the specific language governing permissions and 140888a09821a98ac0680fad765217302858e70fa4Paul Duffin * limitations under the License. 150888a09821a98ac0680fad765217302858e70fa4Paul Duffin */ 160888a09821a98ac0680fad765217302858e70fa4Paul Duffin 170888a09821a98ac0680fad765217302858e70fa4Paul Duffinpackage com.google.common.collect; 180888a09821a98ac0680fad765217302858e70fa4Paul Duffin 190888a09821a98ac0680fad765217302858e70fa4Paul Duffinimport java.util.Collection; 200888a09821a98ac0680fad765217302858e70fa4Paul Duffinimport java.util.List; 210888a09821a98ac0680fad765217302858e70fa4Paul Duffin 220888a09821a98ac0680fad765217302858e70fa4Paul Duffinimport javax.annotation.Nullable; 230888a09821a98ac0680fad765217302858e70fa4Paul Duffin 240888a09821a98ac0680fad765217302858e70fa4Paul Duffin/** 250888a09821a98ac0680fad765217302858e70fa4Paul Duffin * GWT emulated version of {@link ImmutableList}. 260888a09821a98ac0680fad765217302858e70fa4Paul Duffin * TODO(cpovirk): more doc 270888a09821a98ac0680fad765217302858e70fa4Paul Duffin * 280888a09821a98ac0680fad765217302858e70fa4Paul Duffin * @author Hayward Chan 290888a09821a98ac0680fad765217302858e70fa4Paul Duffin */ 300888a09821a98ac0680fad765217302858e70fa4Paul Duffinabstract class ForwardingImmutableList<E> extends ImmutableList<E> { 310888a09821a98ac0680fad765217302858e70fa4Paul Duffin 320888a09821a98ac0680fad765217302858e70fa4Paul Duffin ForwardingImmutableList() { 330888a09821a98ac0680fad765217302858e70fa4Paul Duffin } 340888a09821a98ac0680fad765217302858e70fa4Paul Duffin 350888a09821a98ac0680fad765217302858e70fa4Paul Duffin abstract List<E> delegateList(); 360888a09821a98ac0680fad765217302858e70fa4Paul Duffin 370888a09821a98ac0680fad765217302858e70fa4Paul Duffin public int indexOf(@Nullable Object object) { 380888a09821a98ac0680fad765217302858e70fa4Paul Duffin return delegateList().indexOf(object); 390888a09821a98ac0680fad765217302858e70fa4Paul Duffin } 400888a09821a98ac0680fad765217302858e70fa4Paul Duffin 410888a09821a98ac0680fad765217302858e70fa4Paul Duffin public int lastIndexOf(@Nullable Object object) { 420888a09821a98ac0680fad765217302858e70fa4Paul Duffin return delegateList().lastIndexOf(object); 430888a09821a98ac0680fad765217302858e70fa4Paul Duffin } 440888a09821a98ac0680fad765217302858e70fa4Paul Duffin 450888a09821a98ac0680fad765217302858e70fa4Paul Duffin public E get(int index) { 460888a09821a98ac0680fad765217302858e70fa4Paul Duffin return delegateList().get(index); 470888a09821a98ac0680fad765217302858e70fa4Paul Duffin } 480888a09821a98ac0680fad765217302858e70fa4Paul Duffin 490888a09821a98ac0680fad765217302858e70fa4Paul Duffin public ImmutableList<E> subList(int fromIndex, int toIndex) { 500888a09821a98ac0680fad765217302858e70fa4Paul Duffin return unsafeDelegateList(delegateList().subList(fromIndex, toIndex)); 510888a09821a98ac0680fad765217302858e70fa4Paul Duffin } 520888a09821a98ac0680fad765217302858e70fa4Paul Duffin 530888a09821a98ac0680fad765217302858e70fa4Paul Duffin @Override public Object[] toArray() { 540888a09821a98ac0680fad765217302858e70fa4Paul Duffin // Note that ArrayList.toArray() doesn't work here because it returns E[] 550888a09821a98ac0680fad765217302858e70fa4Paul Duffin // instead of Object[]. 560888a09821a98ac0680fad765217302858e70fa4Paul Duffin return delegateList().toArray(new Object[size()]); 570888a09821a98ac0680fad765217302858e70fa4Paul Duffin } 580888a09821a98ac0680fad765217302858e70fa4Paul Duffin 590888a09821a98ac0680fad765217302858e70fa4Paul Duffin @Override public boolean equals(Object obj) { 600888a09821a98ac0680fad765217302858e70fa4Paul Duffin return delegateList().equals(obj); 610888a09821a98ac0680fad765217302858e70fa4Paul Duffin } 620888a09821a98ac0680fad765217302858e70fa4Paul Duffin 630888a09821a98ac0680fad765217302858e70fa4Paul Duffin @Override public int hashCode() { 640888a09821a98ac0680fad765217302858e70fa4Paul Duffin return delegateList().hashCode(); 650888a09821a98ac0680fad765217302858e70fa4Paul Duffin } 660888a09821a98ac0680fad765217302858e70fa4Paul Duffin 670888a09821a98ac0680fad765217302858e70fa4Paul Duffin @Override public UnmodifiableIterator<E> iterator() { 680888a09821a98ac0680fad765217302858e70fa4Paul Duffin return Iterators.unmodifiableIterator(delegateList().iterator()); 690888a09821a98ac0680fad765217302858e70fa4Paul Duffin } 700888a09821a98ac0680fad765217302858e70fa4Paul Duffin 710888a09821a98ac0680fad765217302858e70fa4Paul Duffin @Override public boolean contains(@Nullable Object object) { 720888a09821a98ac0680fad765217302858e70fa4Paul Duffin return object != null && delegateList().contains(object); 730888a09821a98ac0680fad765217302858e70fa4Paul Duffin } 740888a09821a98ac0680fad765217302858e70fa4Paul Duffin 750888a09821a98ac0680fad765217302858e70fa4Paul Duffin @Override public boolean containsAll(Collection<?> targets) { 760888a09821a98ac0680fad765217302858e70fa4Paul Duffin return delegateList().containsAll(targets); 770888a09821a98ac0680fad765217302858e70fa4Paul Duffin } 780888a09821a98ac0680fad765217302858e70fa4Paul Duffin 790888a09821a98ac0680fad765217302858e70fa4Paul Duffin public int size() { 800888a09821a98ac0680fad765217302858e70fa4Paul Duffin return delegateList().size(); 810888a09821a98ac0680fad765217302858e70fa4Paul Duffin } 820888a09821a98ac0680fad765217302858e70fa4Paul Duffin 830888a09821a98ac0680fad765217302858e70fa4Paul Duffin @Override public boolean isEmpty() { 840888a09821a98ac0680fad765217302858e70fa4Paul Duffin return delegateList().isEmpty(); 850888a09821a98ac0680fad765217302858e70fa4Paul Duffin } 860888a09821a98ac0680fad765217302858e70fa4Paul Duffin 870888a09821a98ac0680fad765217302858e70fa4Paul Duffin @Override public <T> T[] toArray(T[] other) { 880888a09821a98ac0680fad765217302858e70fa4Paul Duffin return delegateList().toArray(other); 890888a09821a98ac0680fad765217302858e70fa4Paul Duffin } 900888a09821a98ac0680fad765217302858e70fa4Paul Duffin 910888a09821a98ac0680fad765217302858e70fa4Paul Duffin @Override public String toString() { 920888a09821a98ac0680fad765217302858e70fa4Paul Duffin return delegateList().toString(); 930888a09821a98ac0680fad765217302858e70fa4Paul Duffin } 940888a09821a98ac0680fad765217302858e70fa4Paul Duffin} 95