function DOMHandler() {
    this.cdata = false;
}
+ContentHandler+ErrorHandler
+LexicalHandler+EntityResolver2
-DeclHandler-DTDHandler 

DefaultHandler:EntityResolver, DTDHandler, ContentHandler, ErrorHandler
DefaultHandler2:DefaultHandler,LexicalHandler, DeclHandler, EntityResolver2
@link http://www.saxproject.org/apidoc/org/xml/sax/helpers/DefaultHandler.html