1 /*
   2  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.nashorn.internal.runtime;
  27 
  28 /**
  29  * A ListAdapter that can wrap a ScriptObject.
  30  */
  31 public final class ScriptObjectListAdapter extends ListAdapter {
  32     /**
  33      * Creates a new list wrapper for the specified ScriptObject.
  34      * @param obj script the object to wrap
  35      */
  36     public ScriptObjectListAdapter(final ScriptObject obj) {
  37         super(obj);
  38     }
  39 
  40     @Override
  41     public int size() {
  42         return JSType.toInt32(((ScriptObject)obj).getLength());
  43     }
  44 
  45     @Override
  46     protected Object getAt(int index) {
  47         return ((ScriptObject)obj).get(index);
  48     }
  49 
  50     @Override
  51     protected void setAt(int index, Object element) {
  52         ((ScriptObject)obj).set(index, element, false);
  53     }
  54 }