org.apache.axiom.attachments.lifecycle.impl

Class DataHandlerExtImpl

java.lang.Object

javax.activation.DataHandler

org.apache.axiom.attachments.lifecycle.impl.DataHandlerExtImpl

All Implemented Interfaces:

Transferable, Observer, DataHandlerExt

public class DataHandlerExtImpl
extends DataHandler
implements DataHandlerExt, Observer

Constructor Summary

Constructors

Constructor and Description
DataHandlerExtImpl(DataHandler dataHandler, LifecycleManager manager)

Method Summary

Modifier and Type	Method and Description
void	deleteWhenReadOnce() This method will give users an option to trigger a delete on temporary attachment file when DataHandler associated with the attachment is read once.
void	purgeDataSource() This method will give users an option to trigger a purge on temporary attachment files.
void	update(Observable o, Object arg)

Methods inherited from class javax.activation.DataHandler

getAllCommands, getBean, getCommand, getContent, getContentType, getDataSource, getInputStream, getName, getOutputStream, getPreferredCommands, getTransferData, getTransferDataFlavors, isDataFlavorSupported, setCommandMap, setDataContentHandlerFactory, writeTo

Methods inherited from class java.lang.Object

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

Constructor Detail

DataHandlerExtImpl

public DataHandlerExtImpl(DataHandler dataHandler,
                          LifecycleManager manager)

Method Detail

deleteWhenReadOnce

public void deleteWhenReadOnce()
                        throws IOException

Description copied from interface: DataHandlerExt

This method will give users an option to trigger a delete on temporary attachment file when DataHandler associated with the attachment is read once. Temp files are created for attachment data that is greater than a threshold limit. On client side These temp attachment files are not deleted untill the virtual machine exits. This method gives options to user to trigger a delete on attachment files when they read the dataHandler once.

Specified by:

deleteWhenReadOnce in interface DataHandlerExt

Throws:

IOException

purgeDataSource

public void purgeDataSource()
                     throws IOException

Description copied from interface: DataHandlerExt

This method will give users an option to trigger a purge on temporary attachment files. Temp files are created for attachment data that is greater than a threshold limit. On client side These temp attachment files are not deleted untilthe virtual machine exits as user can choose to read this dataHandler. So if user is not going to use the data handlers provided on this temproray files they can choose to purge the file.

Specified by:

purgeDataSource in interface DataHandlerExt

Throws:

IOException

update

public void update(Observable o,
                   Object arg)

Specified by:

update in interface Observer