/**
* Resolves instances being deserialized to the predefined constants.
*/
protected Object readResolve() throws InvalidObjectException {
if (this.getClass() != TextAttribute.class) {
throw new InvalidObjectException(
"subclass didn't correctly implement readResolve");
}
TextAttribute instance = (TextAttribute) instanceMap.get(getName());
if (instance != null) {
return instance;
} else {
throw new InvalidObjectException("unknown attribute name");
}
}