org.apache.wiki.attachment
Interface DynamicAttachmentProvider

public interface DynamicAttachmentProvider

Provides the data for an attachment. Please note that there will be a strong reference retained for the provider for each Attachment it provides, so do try to keep the object light. Also, reuse objects if possible.

The Provider needs to be thread-safe.

Since:

2.5.34

Method Summary

InputStream

getAttachmentData(WikiContext context, Attachment att) Returns a stream of data for this attachment.

Method Detail

getAttachmentData

InputStream getAttachmentData(WikiContext context,
                              Attachment att)
                              throws ProviderException,
                                     IOException

Returns a stream of data for this attachment. The stream will be closed by AttachmentServlet.

Parameters:

context - A Wiki Context

att - The Attachment for which the data should be received.

Returns:

InputStream for the data.

Throws:

ProviderException - If something goes wrong internally

IOException - If something goes wrong when reading the data