/**
* Utility method which dynamically binds a Context to the current thread, if none already exists.
*/
public static Object callMethod(
ContextFactory factory,
final Scriptable thisObj,
final Function f,
final Object[] args,
final long argsToWrap) {
if (f == null) {
// See comments in getFunction
return Undefined.instance;
}
if (factory == null) {
factory = ContextFactory.getGlobal();
}
final Scriptable scope = f.getParentScope();
if (argsToWrap == 0) {
return Context.call(factory, f, scope, thisObj, args);
}
Context cx = Context.getCurrentContext();
if (cx != null) {
return doCall(cx, scope, thisObj, f, args, argsToWrap);
} else {
return factory.call(
new ContextAction() {
public Object run(Context cx) {
return doCall(cx, scope, thisObj, f, args, argsToWrap);
}
});
}
}
private static Object doCall(
Context cx,
Scriptable scope,
Scriptable thisObj,
Function f,
Object[] args,
long argsToWrap) {
// Wrap the rest of objects
for (int i = 0; i != args.length; ++i) {
if (0 != (argsToWrap & (1 << i))) {
Object arg = args[i];
if (!(arg instanceof Scriptable)) {
args[i] = cx.getWrapFactory().wrap(cx, scope, arg, null);
}
}
}
return f.call(cx, scope, thisObj, args);
}