| /* |
| * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package com.sun.java.util.jar.pack; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.ListIterator; |
| |
| /* |
| * @author ksrini |
| */ |
| |
| /* |
| * This class provides an ArrayList implementation which has a fixed size, |
| * thus all the operations which modifies the size have been rendered |
| * inoperative. This essentially allows us to use generified array |
| * lists in lieu of arrays. |
| */ |
| final class FixedList<E> implements List<E> { |
| |
| private final ArrayList<E> flist; |
| |
| protected FixedList(int capacity) { |
| flist = new ArrayList<>(capacity); |
| // initialize the list to null |
| for (int i = 0 ; i < capacity ; i++) { |
| flist.add(null); |
| } |
| } |
| @Override |
| public int size() { |
| return flist.size(); |
| } |
| |
| @Override |
| public boolean isEmpty() { |
| return flist.isEmpty(); |
| } |
| |
| @Override |
| public boolean contains(Object o) { |
| return flist.contains(o); |
| } |
| |
| @Override |
| public Iterator<E> iterator() { |
| return flist.iterator(); |
| } |
| |
| @Override |
| public Object[] toArray() { |
| return flist.toArray(); |
| } |
| |
| @Override |
| public <T> T[] toArray(T[] a) { |
| return flist.toArray(a); |
| } |
| |
| @Override |
| public boolean add(E e) throws UnsupportedOperationException { |
| throw new UnsupportedOperationException("operation not permitted"); |
| } |
| |
| @Override |
| public boolean remove(Object o) throws UnsupportedOperationException { |
| throw new UnsupportedOperationException("operation not permitted"); |
| } |
| |
| @Override |
| public boolean containsAll(Collection<?> c) { |
| return flist.containsAll(c); |
| } |
| |
| @Override |
| public boolean addAll(Collection<? extends E> c) throws UnsupportedOperationException { |
| throw new UnsupportedOperationException("operation not permitted"); |
| } |
| |
| @Override |
| public boolean addAll(int index, Collection<? extends E> c) throws UnsupportedOperationException { |
| throw new UnsupportedOperationException("operation not permitted"); |
| } |
| |
| @Override |
| public boolean removeAll(Collection<?> c) throws UnsupportedOperationException { |
| throw new UnsupportedOperationException("operation not permitted"); |
| } |
| |
| @Override |
| public boolean retainAll(Collection<?> c) throws UnsupportedOperationException { |
| throw new UnsupportedOperationException("operation not permitted"); |
| } |
| |
| @Override |
| public void clear() throws UnsupportedOperationException { |
| throw new UnsupportedOperationException("operation not permitted"); |
| } |
| |
| @Override |
| public E get(int index) { |
| return flist.get(index); |
| } |
| |
| @Override |
| public E set(int index, E element) { |
| return flist.set(index, element); |
| } |
| |
| @Override |
| public void add(int index, E element) throws UnsupportedOperationException { |
| throw new UnsupportedOperationException("operation not permitted"); |
| } |
| |
| @Override |
| public E remove(int index) throws UnsupportedOperationException { |
| throw new UnsupportedOperationException("operation not permitted"); |
| } |
| |
| @Override |
| public int indexOf(Object o) { |
| return flist.indexOf(o); |
| } |
| |
| @Override |
| public int lastIndexOf(Object o) { |
| return flist.lastIndexOf(o); |
| } |
| |
| @Override |
| public ListIterator<E> listIterator() { |
| return flist.listIterator(); |
| } |
| |
| @Override |
| public ListIterator<E> listIterator(int index) { |
| return flist.listIterator(index); |
| } |
| |
| @Override |
| public List<E> subList(int fromIndex, int toIndex) { |
| return flist.subList(fromIndex, toIndex); |
| } |
| |
| @Override |
| public String toString() { |
| return "FixedList{" + "plist=" + flist + '}'; |
| } |
| } |
| |