Void output filter, which silently swallows bytes written. Used with a 204
status (no content) or a HEAD request.
Next buffer in the pipeline.
Write some bytes.
- number of bytes written by the filter
Some filters need additional parameters from the response. All the
necessary reading can occur in that method, as this method is called
after the response header processing is complete.
Set the next buffer in the filter pipeline.
Make the filter ready to process the next request.
Return the name of the associated encoding; Here, the value is
End the current request. It is acceptable to write extra bytes using
buffer.doWrite during the execution of this method.
- Should return 0 unless the filter does some content length
delimitation, in which case the number is the amount of extra bytes or
missing bytes, which would indicate an error.
Note: It is recommended that extra bytes be swallowed by the filter.