org.apache.mailet.base.mail
Class AbstractDataContentHandler

java.lang.Object
  org.apache.mailet.base.mail.AbstractDataContentHandler

All Implemented Interfaces:

DataContentHandler

Direct Known Subclasses:

message_disposition_notification, multipart_report

public abstract class AbstractDataContentHandler
extends Object
implements DataContentHandler

Abstract class providing common Data Handler behavior.

Constructor Summary

AbstractDataContentHandler()
Default Constructor

Method Summary

protected abstract Object	computeContent(DataSource aDataSource) Compute the content from aDataSource.
protected abstract ActivationDataFlavor	computeDataFlavor() Compute an ActivationDataFlavor.
Object	getContent(DataSource aDataSource)
protected ActivationDataFlavor	getDataFlavor() Get the DataFlavor, lazily initialised if required.
Object	getTransferData(DataFlavor aDataFlavor, DataSource aDataSource)
DataFlavor[]	getTransferDataFlavors()
protected void	setDataFlavor(ActivationDataFlavor aDataFlavor)
protected void	updateDataFlavor() Update the current DataFlavor.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface javax.activation.DataContentHandler

writeTo

Constructor Detail

AbstractDataContentHandler

public AbstractDataContentHandler()

Default Constructor

Method Detail

updateDataFlavor

protected void updateDataFlavor()

Update the current DataFlavor.

computeDataFlavor

protected abstract ActivationDataFlavor computeDataFlavor()

Compute an ActivationDataFlavor.

Returns:

A new ActivationDataFlavor

setDataFlavor

protected void setDataFlavor(ActivationDataFlavor aDataFlavor)

getContent

public Object getContent(DataSource aDataSource)
                  throws IOException

Specified by:

getContent in interface DataContentHandler

Throws:

IOException

See Also:

DataContentHandler.getContent(javax.activation.DataSource)

computeContent

protected abstract Object computeContent(DataSource aDataSource)
                                  throws javax.mail.MessagingException

Compute the content from aDataSource.

Parameters:

aDataSource -

Returns:

new Content built from the DataSource

Throws:

javax.mail.MessagingException

getTransferData

public Object getTransferData(DataFlavor aDataFlavor,
                              DataSource aDataSource)
                       throws UnsupportedFlavorException,
                              IOException

Specified by:

getTransferData in interface DataContentHandler

Throws:

UnsupportedFlavorException

IOException

See Also:

DataContentHandler.getTransferData(java.awt.datatransfer.DataFlavor, javax.activation.DataSource)

getTransferDataFlavors

public DataFlavor[] getTransferDataFlavors()

Specified by:

getTransferDataFlavors in interface DataContentHandler

See Also:

DataContentHandler.getTransferDataFlavors()

getDataFlavor

protected ActivationDataFlavor getDataFlavor()

Get the DataFlavor, lazily initialised if required.

Returns:

Returns the dataFlavor, lazily initialised.