ChunkedOutputFilter (Apache Tomcat 6.0.51 API Documentation)
Keywords: org.apache.coyote.http11.filters.ChunkedOutputFilter class

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## org.apache.coyote.http11.filters
Class ChunkedOutputFilter

    java.lang.Object
      org.apache.coyote.http11.filters.ChunkedOutputFilter

All Implemented Interfaces:
  OutputFilter, OutputBuffer

    public class ChunkedOutputFilter

extends java.lang.Object
implements OutputFilter

Chunked output filter.

Author:
  Remy Maucherat

Field Summary
`protected OutputBuffer` | `buffer` Next buffer in the pipeline.
`protected ByteChunk` | `chunkHeader` Chunk header.
`protected byte[]` | `chunkLength` Buffer used for chunk length conversion.
`protected static ByteChunk` | `ENCODING`
`protected static java.lang.String` | `ENCODING_NAME`
`protected static ByteChunk` | `END_CHUNK` End chunk.

Constructor Summary
`ChunkedOutputFilter()` Default constructor.

Method Summary
`int` | `doWrite(ByteChunk chunk, Response res)` Write some bytes.
`long` | `end()` End the current request.
`ByteChunk` | `getEncodingName()` Return the name of the associated encoding; Here, the value is "identity".
`void` | `recycle()` Make the filter ready to process the next request.
`void` | `setBuffer(OutputBuffer buffer)` Set the next buffer in the filter pipeline.
`void` | `setResponse(Response response)` Some filters need additional parameters from the response.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### ENCODING_NAME

    protected static final java.lang.String ENCODING_NAME

See Also:
  Constant Field Values

### ENCODING

    protected static final ByteChunk ENCODING

### END_CHUNK

    protected static final ByteChunk END_CHUNK

  End chunk.

### buffer

    protected OutputBuffer buffer

  Next buffer in the pipeline.

### chunkLength

    protected byte[] chunkLength

  Buffer used for chunk length conversion.

### chunkHeader

    protected ByteChunk chunkHeader

  Chunk header.

Constructor Detail

### ChunkedOutputFilter

    public ChunkedOutputFilter()

  Default constructor.

Method Detail

### doWrite

    public int doWrite(ByteChunk chunk,
                       Response res)
                throws java.io.IOException

  Write some bytes.

  Specified by:
    `doWrite` in interface `OutputFilter`
  Specified by:
    `doWrite` in interface `OutputBuffer`
  Parameters:
    `chunk` - data to write
    `res` - used to allow buffers that can be shared by multiple responses.
  Returns:
    number of bytes written by the filter
  Throws:
    `java.io.IOException`

### setResponse

    public void setResponse(Response response)

  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.

  Specified by:
    `setResponse` in interface `OutputFilter`

### setBuffer

    public void setBuffer(OutputBuffer buffer)

  Set the next buffer in the filter pipeline.

  Specified by:
    `setBuffer` in interface `OutputFilter`

### end

    public long end()
             throws java.io.IOException

  End the current request. It is acceptable to write extra bytes using buffer.doWrite during the execution of this method.

  Specified by:
    `end` in interface `OutputFilter`
  Returns:
    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.
  Throws:
    `java.io.IOException`

### recycle

    public void recycle()

  Make the filter ready to process the next request.

  Specified by:
    `recycle` in interface `OutputFilter`

### getEncodingName

    public ByteChunk getEncodingName()

  Return the name of the associated encoding; Here, the value is "identity".

  Specified by:
    `getEncodingName` in interface `OutputFilter`

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