hasOwnProperty & ECMAScript instanceof check not working on a custome ScriptObject

[A. Sundararajan]

Apart from javax.script javadoc and "Java Scripting programmer's guide" 
- 
http://download.java.net/jdk8/docs/technotes/guides/scripting/prog_guide/index.html, 
the following links describe the "public" parts of nashorn.

ECMAScript extensions of nashorn here:

https://wiki.openjdk.java.net/display/Nashorn/Nashorn+extensions

Notes on nashorn jsr223 engine here:

https://wiki.openjdk.java.net/display/Nashorn/Nashorn+jsr223+engine+notes

-Sundar

On Thursday 02 January 2014 05:54 PM, A. Sundararajan wrote:
> Hi,
>
> * You may want to align your email text before posting it.
>
> * As replied to one of your earlier emails, jdk.nashorn.internal.* are 
> internal classes. These could be removed/changed without notice. Your 
> interface to nashorn is just javax.script and 
> jdk.nashorn.api.scripting packages. If you *really* want to play with 
> internals, you are essentially on your own. We try to document as much 
> as needed for nashorn developers. But, if you depend on internals in 
> *your* code, nashorn team may not be able to support the same.
>
> -Sundar
>
> On Thursday 02 January 2014 05:31 PM, buddhi mihara wrote:
>> hi,i created a object just like native math , following the structure 
>> of the jdk.nashorn.internal.objects.prototype object,but i have two 
>> question
>> 1.instanceof check does not working on my cutom object but it working 
>> on the Math Object2.hasOwnProperty does not working it gives me error 
>> - (<shell>:1 TypeError: Cannot call undefined)
>> here is my code
>> package Dilan;
>> import jdk.nashorn.internal.runtime.PropertyMap;import 
>> jdk.nashorn.internal.runtime.AccessorProperty;import 
>> jdk.nashorn.internal.runtime.ScriptObject;import 
>> jdk.nashorn.internal.runtime.Property;
>> import java.lang.invoke.MethodHandle;import 
>> java.lang.invoke.MethodHandles;import java.util.ArrayList;
>> import static jdk.nashorn.internal.lookup.Lookup.MH;import static 
>> jdk.nashorn.internal.runtime.ScriptRuntime.UNDEFINED;
>> public class Jaggery2 {
>>      public static ScriptObject getJagGlobal(){        final 
>> ScriptObject pros = new JaggeryPro();        return pros;    }
>>      //class represent jaggery2 Pro Object    private static final 
>> class JaggeryPro extends ScriptObject {
>>          private static PropertyMap $nasgenmap$;
>>          JaggeryPro(){            super($nasgenmap$);        }
>>          static PropertyMap getInitialMap() {            return 
>> $nasgenmap$;        }
>>          private static final MethodHandle GET_CACHE = 
>> findOwnMH("getCache", Object.class,Object.class);        private 
>> static final MethodHandle GET_BIND  = findOwnMH("getBind", 
>> Object.class, Object.class);
>>          static {
>>              final ArrayList<Property> properties = new 
>> ArrayList<>(); properties.add(AccessorProperty.create("caches", 
>> Property.WRITABLE_ENUMERABLE_CONFIGURABLE, GET_CACHE, null)); 
>> properties.add(AccessorProperty.create("bind", 
>> Property.WRITABLE_ENUMERABLE_CONFIGURABLE,GET_BIND, null));
>>              $nasgenmap$ = PropertyMap.newMap(properties);        }
>>
>>          static Object getCache(final Object self) { return (self 
>> instanceof JaggeryPro) ? ((JaggeryPro)self).getModule() : 
>> UNDEFINED;        }
>>          static Object getBind(final Object self) { return (self 
>> instanceof JaggeryPro) ? ((JaggeryPro)self).getBind() : 
>> UNDEFINED;        }
>>          private Object getModule(){            return 1; }
>>          private Object getBind(){            return new 
>> BindImpl();        }
>>          private static MethodHandle findOwnMH(final String name, 
>> final Class<?> rtype, final Class<?>... types) {            return 
>> MH.findStatic(MethodHandles.lookup(), JaggeryPro.class, name, 
>> MH.type(rtype, types));        }
>>          @Override        public String getClassName() {            
>> return "JAGGERYPROCESS";        }
>>      }}
>> how can i solve those two errors.i have wrap this object using 
>> ScripObjecMirror.but than ain't help
>> thank you
>>
>