OutputBuffer (Apache Tomcat 9.0.37 API Documentation)

org.apache.coyote

## Interface OutputBuffer

- All Known Subinterfaces:
    HttpOutputBuffer, OutputFilter
  All Known Implementing Classes:
    AjpProcessor.SocketOutputBuffer, ChunkedOutputFilter, GzipOutputFilter, Http11OutputBuffer, Http11OutputBuffer.SocketOutputBuffer, Http2OutputBuffer, IdentityOutputFilter, VoidOutputFilter

      public interface OutputBuffer

  Output buffer. This class is used internally by the protocol implementation. All writes from higher level code should happen via Response.doWrite().
  Author:
    Remy Maucherat

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `int` | `doWrite(ByteBuffer chunk)` Write the given data to the response.
    `long` | `getBytesWritten()` Bytes written to the underlying socket.

- - ### Method Detail

    - #### doWrite

          int doWrite(ByteBuffer chunk)
               throws IOException

      Write the given data to the response. The caller owns the chunks.
      Parameters:
        `chunk` - data to write
      Returns:
        The number of bytes written which may be less than available in the input chunk
      Throws:
        `IOException` - an underlying I/O error occurred

    - #### getBytesWritten

          long getBytesWritten()

      Bytes written to the underlying socket. This includes the effects of chunking, compression, etc.
      Returns:
        Bytes written for the current request

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