public Object invokeImpl(Object proxy, Method method, Object[] args) throws EvalError {
String methodName = method.getName();
CallStack callstack = new CallStack(namespace);
/*
If equals() is not explicitly defined we must override the
default implemented by the This object protocol for scripted
object. To support XThis equals() must test for equality with
the generated proxy object, not the scripted bsh This object;
otherwise callers from outside in Java will not see a the
proxy object as equal to itself.
*/
BshMethod equalsMethod = null;
try {
equalsMethod = namespace.getMethod("equals", new Class[] {Object.class});
} catch (UtilEvalError e) {
/*leave null*/
}
if (methodName.equals("equals") && equalsMethod == null) {
Object obj = args[0];
return new Boolean(proxy == obj);
}
/*
If toString() is not explicitly defined override the default
to show the proxy interfaces.
*/
BshMethod toStringMethod = null;
try {
toStringMethod = namespace.getMethod("toString", new Class[] {});
} catch (UtilEvalError e) {
/*leave null*/
}
if (methodName.equals("toString") && toStringMethod == null) {
Class[] ints = proxy.getClass().getInterfaces();
// XThis.this refers to the enclosing class instance
StringBuilder sb = new StringBuilder(XThis.this.toString() + "\nimplements:");
for (int i = 0; i < ints.length; i++)
sb.append(" " + ints[i].getName() + ((ints.length > 1) ? "," : ""));
return sb.toString();
}
Class[] paramTypes = method.getParameterTypes();
return Primitive.unwrap(invokeMethod(methodName, Primitive.wrap(args, paramTypes)));
}
