| Package | Description | 
|---|---|
| org.apache.poi.poifs.filesystem | filesystem package maps OLE 2 Compound document files to a more familiar filesystem interface. | 
| org.apache.poi.poifs.property | property package contains high and low level Property structures for POIFS. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | DirectoryNodeSimple implementation of DirectoryEntry | 
| class  | DocumentNodeSimple implementation of DocumentEntry for OPOIFS | 
| class  | POIFSDocumentThis class manages a document in the NIO POIFS filesystem. | 
| class  | POIFSFileSystemThis is the main class of the POIFS system; it manages the entire
 life cycle of the filesystem. | 
| class  | TempFilePOIFSFileSystemAn experimental POIFSFileSystem to support the encryption of large files | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | DirectoryPropertyDirectory property | 
| class  | DocumentPropertyTrivial extension of Property for POIFSDocuments | 
| class  | PropertyThis abstract base class is the ancestor of all classes
 implementing POIFS Property behavior. | 
| class  | RootPropertyRoot property | 
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