DynamicAttachmentProvider (Apache JSPWiki 2.12.2 API)

```
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

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.io.InputStream`	`getAttachmentData(Context context, Attachment att)`	Returns a stream of data for this attachment.

- Method Detail
  - getAttachmentData
```
java.io.InputStream getAttachmentData(Context context,
                                      Attachment att)
                               throws ProviderException,
                                      java.io.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
    
    java.io.IOException - If something goes wrong when reading the data