/*

 * 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 + '}';

    }

}