org.apache.poi.hpsf
Classes 
ClassID
DocumentSummaryInformation
Property
PropertySet
PropertySetFactory
Section
SpecialPropertySet
SummaryInformation
Thumbnail
TypeReader
Util
Variant
Exceptions 
HPSFException
HPSFRuntimeException
IllegalPropertySetDataException
MarkUnsupportedException
NoPropertySetStreamException
NoSingleSectionException
UnexpectedPropertySetTypeException