## Uses of Class
org.apache.poi.poifs.nio.DataSource

- Packages that use DataSource
  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.nio |

- - ### Uses of DataSource in org.apache.poi.poifs.filesystem

    Fields in org.apache.poi.poifs.filesystem declared as DataSource
    Modifier and Type | Field and Description
    --- | ---
    `protected DataSource` | POIFSFileSystem.`_data`

  - ### Uses of DataSource in org.apache.poi.poifs.nio

    Subclasses of DataSource in org.apache.poi.poifs.nio
    Modifier and Type | Class and Description
    --- | ---
    `class` | `ByteArrayBackedDataSource` A POIFS `DataSource` backed by a byte array.
    `class` | `FileBackedDataSource` A POIFS `DataSource` backed by a File

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