/*

  * Copyright (c) 1994, 2001, 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 java.lang;

 import org.apidesign.bck2brwsr.core.ExtraJavaScript;

 import org.apidesign.bck2brwsr.core.JavaScriptBody;

 import org.apidesign.bck2brwsr.core.JavaScriptPrototype;

 /**

  * The abstract class <code>Number</code> is the superclass of classes

  * <code>BigDecimal</code>, <code>BigInteger</code>,

  * <code>Byte</code>, <code>Double</code>, <code>Float</code>,

  * <code>Integer</code>, <code>Long</code>, and <code>Short</code>.

  * <p>

  * Subclasses of <code>Number</code> must provide methods to convert

  * the represented numeric value to <code>byte</code>, <code>double</code>,

  * <code>float</code>, <code>int</code>, <code>long</code>, and

  * <code>short</code>.

  *

  * @author      Lee Boynton

  * @author      Arthur van Hoff

  * @see     java.lang.Byte

  * @see     java.lang.Double

  * @see     java.lang.Float

  * @see     java.lang.Integer

  * @see     java.lang.Long

  * @see     java.lang.Short

  * @since   JDK1.0

  */

 @ExtraJavaScript(

     resource="/org/apidesign/vm4brwsr/emul/lang/java_lang_Number.js",

     processByteCode=true

 )

 @JavaScriptPrototype(container = "Number.prototype", prototype = "new Number")

 public abstract class Number implements java.io.Serializable {

     /**

      * Returns the value of the specified number as an <code>int</code>.

      * This may involve rounding or truncation.

      *

      * @return  the numeric value represented by this object after conversion

      *          to type <code>int</code>.

      */

     @JavaScriptBody(args = {}, body = "return this | 0;")

     public abstract int intValue();

     /**

      * Returns the value of the specified number as a <code>long</code>.

      * This may involve rounding or truncation.

      *

      * @return  the numeric value represented by this object after conversion

      *          to type <code>long</code>.

      */

     @JavaScriptBody(args = {}, body = "return this.toLong();")

     public abstract long longValue();

     /**

      * Returns the value of the specified number as a <code>float</code>.

      * This may involve rounding.

      *

      * @return  the numeric value represented by this object after conversion

      *          to type <code>float</code>.

      */

     @JavaScriptBody(args = {}, body = "return this;")

     public abstract float floatValue();

     /**

      * Returns the value of the specified number as a <code>double</code>.

      * This may involve rounding.

      *

      * @return  the numeric value represented by this object after conversion

      *          to type <code>double</code>.

      */

     @JavaScriptBody(args = {}, body = "return this;")

     public abstract double doubleValue();

     /**

      * Returns the value of the specified number as a <code>byte</code>.

      * This may involve rounding or truncation.

      *

      * @return  the numeric value represented by this object after conversion

      *          to type <code>byte</code>.

      * @since   JDK1.1

      */

     public byte byteValue() {

         return (byte)intValue();

     }

     /**

      * Returns the value of the specified number as a <code>short</code>.

      * This may involve rounding or truncation.

      *

      * @return  the numeric value represented by this object after conversion

      *          to type <code>short</code>.

      * @since   JDK1.1

      */

     public short shortValue() {

         return (short)intValue();

     }

     /** use serialVersionUID from JDK 1.0.2 for interoperability */

     private static final long serialVersionUID = -8742448824652078965L;

     static {

         // as last step of initialization, initialize valueOf method

         initValueOf();

     }

     @JavaScriptBody(args = {  }, body = 

         "var p = java_lang_Number(false);\n" +

         "p.valueOf = function() { return this.doubleValue__D(); };\n" +

         "p.toString = function() { return this.toString__Ljava_lang_String_2(); };"

     )

     private native static void initValueOf();

 }