An interface for handling Entity events.
This event reports entities that have not been resolved
and reports their replacement text unprocessed (if
available). This event will be reported if javax.xml.stream.isReplacingEntityReferences
is set to false. If javax.xml.stream.isReplacingEntityReferences is set to true
entity references will be resolved transparently.
Entities are handled in two possible ways:
(1) If javax.xml.stream.isReplacingEntityReferences is set to true
all entity references are resolved and reported as markup transparently.
(2) If javax.xml.stream.isReplacingEntityReferences is set to false
Entity references are reported as an EntityReference Event.