org.eclipse.jetty.http.gzip
Class GzipStream

java.lang.Object
  java.io.OutputStream
      javax.servlet.ServletOutputStream
          org.eclipse.jetty.http.gzip.GzipStream

All Implemented Interfaces:

Closeable, Flushable

Direct Known Subclasses:

IncludableGzipFilter.IncludableGzipStream

public class GzipStream
extends ServletOutputStream

Field Summary

protected ByteArrayOutputStream2	_bOut
protected int	_bufferSize
protected boolean	_closed
protected long	_contentLength
protected GZIPOutputStream	_gzOut
protected int	_minGzipSize
protected OutputStream	_out
protected HttpServletRequest	_request
protected HttpServletResponse	_response

Constructor Summary

GzipStream(HttpServletRequest request, HttpServletResponse response, long contentLength, int bufferSize, int minGzipSize)
Instantiates a new gzip stream.

Method Summary

void	close()
void	doGzip() Do gzip.
void	doNotGzip() Do not gzip.
void	finish() Finish.
void	flush()
protected PrintWriter	newWriter(OutputStream out, String encoding) Allows derived implementations to replace PrintWriter implementation.
void	resetBuffer() Reset buffer.
protected boolean	setContentEncodingGzip() Sets the content encoding gzip.
void	setContentLength(long length) Sets the content length.
void	write(byte[] b)
void	write(byte[] b, int off, int len)
void	write(int b)

Methods inherited from class javax.servlet.ServletOutputStream

print, print, print, print, print, print, print, println, println, println, println, println, println, println, println

Methods inherited from class java.lang.Object

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

Field Detail

_request

protected HttpServletRequest _request

_response

protected HttpServletResponse _response

_out

protected OutputStream _out

_bOut

protected ByteArrayOutputStream2 _bOut

_gzOut

protected GZIPOutputStream _gzOut

_closed

protected boolean _closed

_bufferSize

protected int _bufferSize

_minGzipSize

protected int _minGzipSize

_contentLength

protected long _contentLength

Constructor Detail

GzipStream

public GzipStream(HttpServletRequest request,
                  HttpServletResponse response,
                  long contentLength,
                  int bufferSize,
                  int minGzipSize)
           throws IOException

Instantiates a new gzip stream.

Parameters:

request - the request

response - the response

contentLength - the content length

bufferSize - the buffer size

minGzipSize - the min gzip size

Throws:

IOException - Signals that an I/O exception has occurred.

Method Detail

resetBuffer

public void resetBuffer()

Reset buffer.

setContentLength

public void setContentLength(long length)

Sets the content length.

Parameters:

length - the new content length

flush

public void flush()
           throws IOException

Specified by:

flush in interface Flushable

Overrides:

flush in class OutputStream

Throws:

IOException

See Also:

OutputStream.flush()

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Overrides:

close in class OutputStream

Throws:

IOException

See Also:

OutputStream.close()

finish

public void finish()
            throws IOException

Finish.

Throws:

IOException - Signals that an I/O exception has occurred.

write

public void write(int b)
           throws IOException

Specified by:

write in class OutputStream

Throws:

IOException

See Also:

OutputStream.write(int)

write

public void write(byte[] b)
           throws IOException

Overrides:

write in class OutputStream

Throws:

IOException

See Also:

OutputStream.write(byte[])

write

public void write(byte[] b,
                  int off,
                  int len)
           throws IOException

Overrides:

write in class OutputStream

Throws:

IOException

See Also:

OutputStream.write(byte[], int, int)

setContentEncodingGzip

protected boolean setContentEncodingGzip()

Sets the content encoding gzip.

Returns:

true, if successful

doGzip

public void doGzip()
            throws IOException

Do gzip.

Throws:

IOException - Signals that an I/O exception has occurred.

doNotGzip

public void doNotGzip()
               throws IOException

Do not gzip.

Throws:

IOException - Signals that an I/O exception has occurred.

newWriter

protected PrintWriter newWriter(OutputStream out,
                                String encoding)
                         throws UnsupportedEncodingException

Allows derived implementations to replace PrintWriter implementation.

Throws:

UnsupportedEncodingException