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  * If your ScriptObject or similar PropertyAccess implementation only provides the most
  30  * generic getters and setters and does nothing fancy with other, more primitive, types,
  31  * then it is convenient to inherit this class and just fill out the methods left
  32  * abstract
  33  */
  34 public abstract class DefaultPropertyAccess implements PropertyAccess {
  35 
  36     @Override
  37     public int getInt(final Object key, final int programPoint) {
  38         return JSType.toInt32(get(key));
  39     }
  40 
  41     @Override
  42     public int getInt(final double key, final int programPoint) {
  43         return getInt(JSType.toObject(key), programPoint);
  44     }
  45 
  46     @Override
  47     public int getInt(final int key, final int programPoint) {
  48         return getInt(JSType.toObject(key), programPoint);
  49     }
  50 
  51     @Override
  52     public double getDouble(final Object key, final int programPoint) {
  53         return JSType.toNumber(get(key));
  54     }
  55 
  56     @Override
  57     public double getDouble(final double key, final int programPoint) {
  58         return getDouble(JSType.toObject(key), programPoint);
  59     }
  60 
  61     @Override
  62     public double getDouble(final int key, final int programPoint) {
  63         return getDouble(JSType.toObject(key), programPoint);
  64     }
  65 
  66     @Override
  67     public abstract Object get(Object key);
  68 
  69     @Override
  70     public Object get(final double key) {
  71         return get(JSType.toObject(key));
  72     }
  73 
  74     @Override
  75     public Object get(final int key) {
  76         return get(JSType.toObject(key));
  77     }
  78 
  79     @Override
  80     public void set(final double key, final int value, final int flags) {
  81         set(JSType.toObject(key), JSType.toObject(value), flags);
  82     }
  83 
  84     @Override
  85     public void set(final double key, final double value, final int flags) {
  86         set(JSType.toObject(key), JSType.toObject(value), flags);
  87     }
  88 
  89     @Override
  90     public void set(final double key, final Object value, final int flags) {
  91         set(JSType.toObject(key), JSType.toObject(value), flags);
  92     }
  93 
  94     @Override
  95     public void set(final int key, final int value, final int flags) {
  96         set(JSType.toObject(key), JSType.toObject(value), flags);
  97     }
  98 
  99     @Override
 100     public void set(final int key, final double value, final int flags) {
 101         set(JSType.toObject(key), JSType.toObject(value), flags);
 102     }
 103 
 104     @Override
 105     public void set(final int key, final Object value, final int flags) {
 106         set(JSType.toObject(key), value, flags);
 107     }
 108 
 109     @Override
 110     public void set(final Object key, final int value, final int flags) {
 111         set(key, JSType.toObject(value), flags);
 112     }
 113 
 114     @Override
 115     public void set(final Object key, final double value, final int flags) {
 116         set(key, JSType.toObject(value), flags);
 117     }
 118 
 119     @Override
 120     public abstract void set(Object key, Object value, int flags);
 121 
 122     @Override
 123     public abstract boolean has(Object key);
 124 
 125     @Override
 126     public boolean has(final int key) {
 127         return has(JSType.toObject(key));
 128     }
 129 
 130     @Override
 131     public boolean has(final double key) {
 132         return has(JSType.toObject(key));
 133     }
 134 
 135     @Override
 136     public boolean hasOwnProperty(final int key) {
 137         return hasOwnProperty(JSType.toObject(key));
 138     }
 139 
 140     @Override
 141     public boolean hasOwnProperty(final double key) {
 142         return hasOwnProperty(JSType.toObject(key));
 143     }
 144 
 145     @Override
 146     public abstract boolean hasOwnProperty(Object key);
 147 
 148     @Override
 149     public boolean delete(final int key, final boolean strict) {
 150         return delete(JSType.toObject(key), strict);
 151     }
 152 
 153     @Override
 154     public boolean delete(final double key, final boolean strict) {
 155         return delete(JSType.toObject(key), strict);
 156     }
 157 
 158 }