org.fhw.cabaweb.webfrontend.filters
Class GZIPResponseWrapper

java.lang.Object
  javax.servlet.ServletResponseWrapper
      javax.servlet.http.HttpServletResponseWrapper
          org.fhw.cabaweb.webfrontend.filters.GZIPResponseWrapper

All Implemented Interfaces:

javax.servlet.http.HttpServletResponse, javax.servlet.ServletResponse

public class GZIPResponseWrapper

extends javax.servlet.http.HttpServletResponseWrapper

Filter-Klasse die im Falle das der Client das unterstützt, den Stream GZIP komprimiert. Antwort Wrapper Klasse. ORIGINAL aus dem Buch Servlets and JavaServer Pages von Jayson Falkner, Kevin Jones (http://www.jspbook.com/)

Version:

Version 1.0 24.07.2004

Author:

Jayson Falkner, Kevin Jones

Field Summary

protected javax.servlet.http.HttpServletResponse	origResponse
protected javax.servlet.ServletOutputStream	stream
protected PrintWriter	writer

Fields inherited from interface javax.servlet.http.HttpServletResponse

SC_ACCEPTED, SC_BAD_GATEWAY, SC_BAD_REQUEST, SC_CONFLICT, SC_CONTINUE, SC_CREATED, SC_EXPECTATION_FAILED, SC_FORBIDDEN, SC_FOUND, SC_GATEWAY_TIMEOUT, SC_GONE, SC_HTTP_VERSION_NOT_SUPPORTED, SC_INTERNAL_SERVER_ERROR, SC_LENGTH_REQUIRED, SC_METHOD_NOT_ALLOWED, SC_MOVED_PERMANENTLY, SC_MOVED_TEMPORARILY, SC_MULTIPLE_CHOICES, SC_NO_CONTENT, SC_NON_AUTHORITATIVE_INFORMATION, SC_NOT_ACCEPTABLE, SC_NOT_FOUND, SC_NOT_IMPLEMENTED, SC_NOT_MODIFIED, SC_OK, SC_PARTIAL_CONTENT, SC_PAYMENT_REQUIRED, SC_PRECONDITION_FAILED, SC_PROXY_AUTHENTICATION_REQUIRED, SC_REQUEST_ENTITY_TOO_LARGE, SC_REQUEST_TIMEOUT, SC_REQUEST_URI_TOO_LONG, SC_REQUESTED_RANGE_NOT_SATISFIABLE, SC_RESET_CONTENT, SC_SEE_OTHER, SC_SERVICE_UNAVAILABLE, SC_SWITCHING_PROTOCOLS, SC_TEMPORARY_REDIRECT, SC_UNAUTHORIZED, SC_UNSUPPORTED_MEDIA_TYPE, SC_USE_PROXY

Constructor Summary

GZIPResponseWrapper(javax.servlet.http.HttpServletResponse response)

Method Summary

javax.servlet.ServletOutputStream	createOutputStream()
void	finishResponse()
void	flushBuffer()
javax.servlet.ServletOutputStream	getOutputStream()
PrintWriter	getWriter()
void	setContentLength(int length)

Methods inherited from class javax.servlet.http.HttpServletResponseWrapper

addCookie, addDateHeader, addHeader, addIntHeader, containsHeader, encodeRedirectUrl, encodeRedirectURL, encodeUrl, encodeURL, sendError, sendError, sendRedirect, setDateHeader, setHeader, setIntHeader, setStatus, setStatus

Methods inherited from class javax.servlet.ServletResponseWrapper

getBufferSize, getCharacterEncoding, getContentType, getLocale, getResponse, isCommitted, reset, resetBuffer, setBufferSize, setCharacterEncoding, setContentType, setLocale, setResponse

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.servlet.ServletResponse

getBufferSize, getCharacterEncoding, getContentType, getLocale, isCommitted, reset, resetBuffer, setBufferSize, setCharacterEncoding, setContentType, setLocale

Field Detail

origResponse

protected javax.servlet.http.HttpServletResponse origResponse

stream

protected javax.servlet.ServletOutputStream stream

writer

protected PrintWriter writer

Constructor Detail

GZIPResponseWrapper

public GZIPResponseWrapper(javax.servlet.http.HttpServletResponse response)

Method Detail

createOutputStream

public javax.servlet.ServletOutputStream createOutputStream()
                                                     throws IOException

Throws:

IOException

finishResponse

public void finishResponse()

flushBuffer

public void flushBuffer()
                 throws IOException

Throws:

IOException

getOutputStream

public javax.servlet.ServletOutputStream getOutputStream()
                                                  throws IOException

Throws:

IOException

getWriter

public PrintWriter getWriter()
                      throws IOException

Throws:

IOException

setContentLength

public void setContentLength(int length)