XOM API for Processing XML with Java

["Bradley S. Huffman" <hip AT cs.okstate.edu>]

Elliotte Rusty Harold writes:

> The fields can still be private. However the accessor/mutator methods 
> don't have to be final. They can call the superclass methods to make 
> their changes. As long as the fields remain private and the accessor 
> methods are final, this would not enable anyone to violate the 
> fundamental class invariant of well-formedness. Subclasses could 
> override insertChild, setLocalName, etc. without being able to bypass 
> the well-formedness checks.

Unless they do

    private String myLocalName;

    public void setLocalName(String localName) {
        myLocalName = localName;
    }

    public String getLocalName() {
        return myLocalName;
    }

Brad