/**
* 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);
}
});
}
}
public Object getDefaultValue(Class<?> hint) {
Object value;
if (hint == null) {
if (javaObject instanceof Boolean) {
hint = ScriptRuntime.BooleanClass;
}
}
if (hint == null || hint == ScriptRuntime.StringClass) {
value = javaObject.toString();
} else {
String converterName;
if (hint == ScriptRuntime.BooleanClass) {
converterName = "booleanValue";
} else if (hint == ScriptRuntime.NumberClass) {
converterName = "doubleValue";
} else {
throw Context.reportRuntimeError0("msg.default.value");
}
Object converterObject = get(converterName, this);
if (converterObject instanceof Function) {
Function f = (Function) converterObject;
value = f.call(Context.getContext(), f.getParentScope(), this, ScriptRuntime.emptyArgs);
} else {
if (hint == ScriptRuntime.NumberClass && javaObject instanceof Boolean) {
boolean b = ((Boolean) javaObject).booleanValue();
value = ScriptRuntime.wrapNumber(b ? 1.0 : 0.0);
} else {
value = javaObject.toString();
}
}
}
return value;
}