Java 2 Platform EE v1.3: Interface MultipartDataSource - Java Platform, Enterprise Edition v1.3.1 API Specifications

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javax.mail
Interface MultipartDataSource

All Superinterfaces:: DataSource

public interface MultipartDataSource
extends DataSource

MultipartDataSource is a DataSource that contains body parts. This allows "mail aware" DataContentHandlers to be implemented more efficiently by being aware of such DataSources and using the appropriate methods to access BodyParts.

Note that the data of a MultipartDataSource is also available as an input stream.

This interface will typically be implemented by providers that preparse multipart bodies, for example an IMAP provider.

See Also:: DataSource

Method Summary

BodyPart getBodyPart(int index)
Get the specified Part.

int getCount()
Return the number of enclosed BodyPart objects.

Methods inherited from interface javax.activation.DataSource

getContentType, getInputStream, getName, getOutputStream

Method Detail

getCount

public int getCount()

Return the number of enclosed BodyPart objects.

Returns:: number of parts

getBodyPart

public BodyPart getBodyPart(int index)
                     throws MessagingException

Get the specified Part. Parts are numbered starting at 0.

Parameters:: index - the index of the desired Part
Returns:: the Part
Throws:: java.lang.IndexOutOfBoundsException - if the given index is out of range.; MessagingException -