InternalOutputBuffer (Apache Tomcat 7.0.81 API Documentation)

org.apache.coyote.http11

## Class InternalOutputBuffer

- java.lang.Object
- - org.apache.coyote.http11.AbstractOutputBuffer<Socket>
  - - org.apache.coyote.http11.InternalOutputBuffer

- All Implemented Interfaces:
    OutputBuffer, ByteChunk.ByteOutputChannel

      public class InternalOutputBuffer
      extends AbstractOutputBuffer<Socket>
      implements ByteChunk.ByteOutputChannel

  Output buffer.
  Author:
    Remy Maucherat

- - ### Nested Class Summary

    Nested Classes
    Modifier and Type | Class and Description
    --- | ---
    `protected class` | `InternalOutputBuffer.OutputStreamOutputBuffer` This class is an output buffer which will write data to an output stream.

  - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected OutputStream` | `outputStream` Underlying output stream.

    - ### Fields inherited from class org.apache.coyote.http11.AbstractOutputBuffer

      `activeFilters, buf, byteCount, committed, filterLibrary, finished, lastActiveFilter, outputStreamOutputBuffer, pos, response, sm`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `InternalOutputBuffer(Response response, int headerBufferSize)` Default constructor.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `protected void` | `commit()` Commit the response.
    `void` | `endRequest()` End request.
    `void` | `flush()` Flush the response.
    `void` | `init(SocketWrapper<Socket> socketWrapper, AbstractEndpoint<Socket> endpoint)`
    `void` | `nextRequest()` End processing of current HTTP request.
    `void` | `realWriteBytes(byte[] cbuf, int off, int len)` Callback to write data from the buffer.
    `void` | `recycle()` Recycle the output buffer.
    `void` | `sendAck()` Send an acknowledgment.
    `void` | `setSocketBuffer(int socketBufferSize)` Set the socket buffer size.

    - ### Methods inherited from class org.apache.coyote.http11.AbstractOutputBuffer

      `addActiveFilter, addFilter, doWrite, endHeaders, getBytesWritten, getFilters, reset, sendHeader, sendStatus, write, write, write, write, write, write`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Field Detail

    - #### outputStream

          protected OutputStream outputStream

      Underlying output stream. Note: protected to assist with unit testing

  - ### Constructor Detail

    - #### InternalOutputBuffer

          public InternalOutputBuffer(Response response,
                              int headerBufferSize)

      Default constructor.

  - ### Method Detail

    - #### setSocketBuffer

          public void setSocketBuffer(int socketBufferSize)

      Set the socket buffer size.

    - #### init

          public void init(SocketWrapper<Socket> socketWrapper,
                  AbstractEndpoint<Socket> endpoint)
                    throws IOException

      Specified by:
        `init` in class `AbstractOutputBuffer<Socket>`
      Throws:
        `IOException`

    - #### flush

          public void flush()
                     throws IOException

      Flush the response.
      Overrides:
        `flush` in class `AbstractOutputBuffer<Socket>`
      Throws:
        `IOException` - an underlying I/O error occurred

    - #### recycle

          public void recycle()

      Recycle the output buffer. This should be called when closing the connection.
      Overrides:
        `recycle` in class `AbstractOutputBuffer<Socket>`

    - #### nextRequest

          public void nextRequest()

      End processing of current HTTP request. Note: All bytes of the current request should have been already consumed. This method only resets all the pointers so that we are ready to parse the next HTTP request.
      Overrides:
        `nextRequest` in class `AbstractOutputBuffer<Socket>`

    - #### endRequest

          public void endRequest()
                          throws IOException

      End request.
      Overrides:
        `endRequest` in class `AbstractOutputBuffer<Socket>`
      Throws:
        `IOException` - an underlying I/O error occurred

    - #### sendAck

          public void sendAck()
                       throws IOException

      Send an acknowledgment.
      Specified by:
        `sendAck` in class `AbstractOutputBuffer<Socket>`
      Throws:
        `IOException`

    - #### commit

          protected void commit()
                         throws IOException

      Commit the response.
      Specified by:
        `commit` in class `AbstractOutputBuffer<Socket>`
      Throws:
        `IOException` - an underlying I/O error occurred

    - #### realWriteBytes

          public void realWriteBytes(byte[] cbuf,
                            int off,
                            int len)
                              throws IOException

      Callback to write data from the buffer.
      Specified by:
        `realWriteBytes` in interface `ByteChunk.ByteOutputChannel`
      Throws:
        `IOException`

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