--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/classes/com/sun/java/util/jar/pack/FixedList.java	Tue Dec 14 08:13:38 2010 -0800
@@ -0,0 +1,174 @@
+/*
+ * 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 + '}';
+    }
+}
+