public void setValue(ELContext context, Object newValue) {
if (isFinal()) {
throw new PropertyNotWritableException(_T(EL_PROPERTY_NOT_WRITABLE));
}
forget();
if (listener != null) {
Object oldValue = value == NO_VALUE ? null : value;
value = newValue;
listener.valueChanged(oldValue, newValue);
} else {
value = newValue;
}
}