SDX being a search engine for XML documents, the concept of document is central in its model. The class hierarchy give some hints on basic properties of documents in SDX :
The class {@link fr.gouv.culture.sdx.document.AbstractDocument AbstractDocument} is a conveninent class for implementing new types of documents.
In the near future, HTML documents will be supported, both as parsable dans indexable documents. Other document types such as PDF could be made indexable in the future.