Uses of Interface javax.activation.DataSource (Java Platform SE 8 )
Date: 2026-04-17

## Uses of Interface
javax.activation.DataSource

- Packages that use DataSource
  Package | Description
  --- | ---
  javax.activation |

- - ### Uses of DataSource in javax.activation

    Classes in javax.activation that implement DataSource
    Modifier and Type | Class and Description
    --- | ---
    `class` | `FileDataSource` The FileDataSource class implements a simple DataSource object that encapsulates a file.
    `class` | `URLDataSource` The URLDataSource class provides an object that wraps a `URL` object in a DataSource interface.

    Methods in javax.activation that return DataSource
    Modifier and Type | Method and Description
    --- | ---
    `DataSource` | DataHandler.`getDataSource()` Return the DataSource associated with this instance of DataHandler.

    Methods in javax.activation with parameters of type DataSource
    Modifier and Type | Method and Description
    --- | ---
    `DataContentHandler` | CommandMap.`createDataContentHandler(String mimeType, DataSource ds)` Locate a DataContentHandler that corresponds to the MIME type.
    `CommandInfo[]` | CommandMap.`getAllCommands(String mimeType, DataSource ds)` Get all the available commands for this type.
    `CommandInfo` | CommandMap.`getCommand(String mimeType, String cmdName, DataSource ds)` Get the default command corresponding to the MIME type.
    `Object` | DataContentHandler.`getContent(DataSource ds)` Return an object representing the data in its most preferred form.
    `CommandInfo[]` | CommandMap.`getPreferredCommands(String mimeType, DataSource ds)` Get the preferred command list from a MIME Type.
    `Object` | DataContentHandler.`getTransferData(DataFlavor df, DataSource ds)` Returns an object which represents the data to be transferred.

    Constructors in javax.activation with parameters of type DataSource
    Constructor and Description
    `DataHandler(DataSource ds)` Create a `DataHandler` instance referencing the specified DataSource.

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