@Override
public Object call(final Object thiz, final Object... args) {
final Global oldGlobal = Context.getGlobal();
final boolean globalChanged = (oldGlobal != global);
try {
if (globalChanged) {
Context.setGlobal(global);
}
if (sobj instanceof ScriptFunction) {
final Object[] modArgs = globalChanged ? wrapArray(args, oldGlobal) : args;
final Object self = globalChanged ? wrap(thiz, oldGlobal) : thiz;
return wrap(
ScriptRuntime.apply(
(ScriptFunction) sobj, unwrap(self, global), unwrapArray(modArgs, global)),
global);
}
throw new RuntimeException("not a function: " + toString());
} catch (final NashornException ne) {
throw ne.initEcmaError(global);
} catch (final RuntimeException | Error e) {
throw e;
} catch (final Throwable t) {
throw new RuntimeException(t);
} finally {
if (globalChanged) {
Context.setGlobal(oldGlobal);
}
}
}
/**
* Call member function
*
* @param functionName function name
* @param args arguments
* @return return value of function
*/
public Object callMember(final String functionName, final Object... args) {
functionName.getClass(); // null check
final Global oldGlobal = Context.getGlobal();
final boolean globalChanged = (oldGlobal != global);
try {
if (globalChanged) {
Context.setGlobal(global);
}
final Object val = sobj.get(functionName);
if (val instanceof ScriptFunction) {
final Object[] modArgs = globalChanged ? wrapArray(args, oldGlobal) : args;
return wrap(
ScriptRuntime.apply((ScriptFunction) val, sobj, unwrapArray(modArgs, global)), global);
} else if (val instanceof JSObject && ((JSObject) val).isFunction()) {
return ((JSObject) val).call(sobj, args);
}
throw new NoSuchMethodException("No such function " + functionName);
} catch (final NashornException ne) {
throw ne.initEcmaError(global);
} catch (final RuntimeException | Error e) {
throw e;
} catch (final Throwable t) {
throw new RuntimeException(t);
} finally {
if (globalChanged) {
Context.setGlobal(oldGlobal);
}
}
}
// internals only below this.
private <V> V inGlobal(final Callable<V> callable) {
final Global oldGlobal = Context.getGlobal();
final boolean globalChanged = (oldGlobal != global);
if (globalChanged) {
Context.setGlobal(global);
}
try {
return callable.call();
} catch (final NashornException ne) {
throw ne.initEcmaError(global);
} catch (final RuntimeException e) {
throw e;
} catch (final Exception e) {
throw new AssertionError("Cannot happen", e);
} finally {
if (globalChanged) {
Context.setGlobal(oldGlobal);
}
}
}