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## Uses of Class
javax.activation.DataHandler

Packages that use DataHandler
javax.activation |
javax.xml.bind.attachment | This package is implemented by a MIME-based package processor that enables the interpretation and creation of optimized binary data within an MIME-based package format.
javax.xml.soap | Provides the API for creating and building SOAP messages.

Uses of DataHandler in javax.activation

Methods in javax.activation with parameters of type DataHandler
`Object` | `CommandInfo.getCommandObject(DataHandler dh, ClassLoader loader)` Return the instantiated JavaBean component.
`void` | `CommandObject.setCommandContext(String verb, DataHandler dh)` Initialize the Command with the verb it is requested to handle and the DataHandler that describes the data it will operate on.

Uses of DataHandler in javax.xml.bind.attachment

Methods in javax.xml.bind.attachment that return DataHandler
`abstract DataHandler` | `AttachmentUnmarshaller.getAttachmentAsDataHandler(String cid)` Lookup MIME content by content-id, `cid`, and return as a `DataHandler`.

Methods in javax.xml.bind.attachment with parameters of type DataHandler
`abstract String` | `AttachmentMarshaller.addMtomAttachment(DataHandler data, String elementNamespace, String elementLocalName)` Consider MIME content `data` for optimized binary storage as an attachment.
`abstract String` | `AttachmentMarshaller.addSwaRefAttachment(DataHandler data)` Add MIME `data` as an attachment and return attachment's content-id, cid.

Uses of DataHandler in javax.xml.soap

Methods in javax.xml.soap that return DataHandler
`abstract DataHandler` | `AttachmentPart.getDataHandler()` Gets the `DataHandler` object for this `AttachmentPart` object.

Methods in javax.xml.soap with parameters of type DataHandler
`AttachmentPart` | `SOAPMessage.createAttachmentPart(DataHandler dataHandler)` Creates an `AttachmentPart` object and populates it using the given `DataHandler` object.
`abstract void` | `AttachmentPart.setDataHandler(DataHandler dataHandler)` Sets the given `DataHandler` object as the data handler for this `AttachmentPart` object.

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For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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