/*
* Convert a Java object to a JSObject.
*/
static JSBool
convert_javaobject_to_jsobject(JSContext *cx, JNIEnv *jEnv,
JavaClassDescriptor *class_descriptor,
jobject java_obj, jsval *vp)
{
JSObject *js_obj;
/*
* If it's an instance of netscape.javascript.JSObject, i.e. a wrapper
* around a JS object that has been passed into the Java world, unwrap
* it to obtain the original JS object.
*/
if (njJSObject && (*jEnv)->IsInstanceOf(jEnv, java_obj, njJSObject)) {
#ifdef PRESERVE_JSOBJECT_IDENTITY
#if JS_BYTES_PER_LONG == 8
js_obj = (JSObject *)((*jEnv)->GetLongField(jEnv, java_obj, njJSObject_long_internal));
#else
js_obj = (JSObject *)((*jEnv)->GetIntField(jEnv, java_obj, njJSObject_internal));
#endif
#else
js_obj = jsj_UnwrapJSObjectWrapper(jEnv, java_obj);
#endif
} else {
/* otherwise, wrap it inside a JavaObject */
js_obj = jsj_WrapJavaObject(cx, jEnv, java_obj, class_descriptor->java_class);
if (!js_obj)
return JS_FALSE;
}
*vp = OBJECT_TO_JSVAL(js_obj);
return JS_TRUE;
}
/*
* Reflect a Java object into a JS value. The source object, java_obj, must
* be of type java.lang.Object or a subclass and may, therefore, be an array.
*/
JSBool
jsj_ConvertJavaObjectToJSValue(JSContext *cx, JNIEnv *jEnv,
jobject java_obj, jsval *vp)
{
jclass java_class;
JSObject *js_obj;
/* A null in Java-land is also null in JS */
if (!java_obj) {
*vp = JSVAL_NULL;
return JS_TRUE;
}
java_class = (*jEnv)->GetObjectClass(jEnv, java_obj);
/*
* If it's an instance of netscape.javascript.JSObject, i.e. a wrapper
* around a JS object that has been passed into the Java world, unwrap
* it to obtain the original JS object.
*/
if (njJSObject && (*jEnv)->IsInstanceOf(jEnv, java_obj, njJSObject)) {
#ifdef PRESERVE_JSOBJECT_IDENTITY
#if JS_BYTES_PER_LONG == 8
js_obj = (JSObject *)((*jEnv)->GetLongField(jEnv, java_obj, njJSObject_long_internal));
#else
js_obj = (JSObject *)((*jEnv)->GetIntField(jEnv, java_obj, njJSObject_internal));
#endif
#else
js_obj = jsj_UnwrapJSObjectWrapper(jEnv, java_obj);
#endif
/* NULL is actually a valid value. It means 'null'.
JS_ASSERT(js_obj);
if (!js_obj)
goto error;
*/
*vp = OBJECT_TO_JSVAL(js_obj);
goto done;
}
/* otherwise, wrap it inside a JavaObject */
js_obj = jsj_WrapJavaObject(cx, jEnv, java_obj, java_class);
if (!js_obj)
goto error;
*vp = OBJECT_TO_JSVAL(js_obj);
done:
(*jEnv)->DeleteLocalRef(jEnv, java_class);
return JS_TRUE;
error:
(*jEnv)->DeleteLocalRef(jEnv, java_class);
return JS_FALSE;
}
