Package org.omnifaces.servlet

Class GzipHttpServletResponse

java.lang.Object

jakarta.servlet.ServletResponseWrapper

jakarta.servlet.http.HttpServletResponseWrapper

org.omnifaces.servlet.HttpServletResponseOutputWrapper

org.omnifaces.servlet.GzipHttpServletResponse

All Implemented Interfaces:

HttpServletResponse, ServletResponse

public class GzipHttpServletResponse
extends HttpServletResponseOutputWrapper

This HTTP servlet response wrapper will GZIP the response when the given threshold has exceeded and the response content type matches one of the given mimetypes.

Since:

1.1

Author:

Bauke Scholtz

Field Summary

Fields inherited from interface jakarta.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

Constructors

Constructor	Description
GzipHttpServletResponse(HttpServletResponse wrapped, int threshold, Set<String> mimetypes)	Construct a new GZIP HTTP servlet response based on the given wrapped response, threshold and mimetypes.

Method Summary

Modifier and Type	Method	Description
void	addHeader(String name, String value)
void	close()	Close the response body.
protected OutputStream	createOutputStream()	Returns the custom implementation of the servlet response OutputStream.
void	flushBuffer()
void	reset()
void	setContentLength(int contentLength)
void	setContentLengthLong(long contentLength)
void	setHeader(String name, String value)

Methods inherited from class org.omnifaces.servlet.HttpServletResponseOutputWrapper

getOutputStream, getWriter, isCommitted, isPassThrough, setPassThrough

Methods inherited from class jakarta.servlet.http.HttpServletResponseWrapper

addCookie, addDateHeader, addIntHeader, containsHeader, encodeRedirectUrl, encodeRedirectURL, encodeUrl, encodeURL, getHeader, getHeaderNames, getHeaders, getStatus, getTrailerFields, sendError, sendError, sendRedirect, setDateHeader, setIntHeader, setStatus, setStatus, setTrailerFields

Methods inherited from class jakarta.servlet.ServletResponseWrapper

getBufferSize, getCharacterEncoding, getContentType, getLocale, getResponse, isWrapperFor, isWrapperFor, 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 jakarta.servlet.ServletResponse

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

Constructor Detail

GzipHttpServletResponse

public GzipHttpServletResponse(HttpServletResponse wrapped,
                               int threshold,
                               Set<String> mimetypes)

Construct a new GZIP HTTP servlet response based on the given wrapped response, threshold and mimetypes.

Parameters:

wrapped - The wrapped response.

threshold - The GZIP buffer threshold.

mimetypes - The mimetypes which needs to be compressed with GZIP.

Method Detail

setContentLength

public void setContentLength(int contentLength)

Specified by:

setContentLength in interface ServletResponse

Overrides:

setContentLength in class ServletResponseWrapper

setContentLengthLong

public void setContentLengthLong(long contentLength)

Specified by:

setContentLengthLong in interface ServletResponse

Overrides:

setContentLengthLong in class ServletResponseWrapper

setHeader

public void setHeader(String name,
                      String value)

Specified by:

setHeader in interface HttpServletResponse

Overrides:

setHeader in class HttpServletResponseWrapper

addHeader

public void addHeader(String name,
                      String value)

Specified by:

addHeader in interface HttpServletResponse

Overrides:

addHeader in class HttpServletResponseWrapper

flushBuffer

public void flushBuffer()
                 throws IOException

Specified by:

flushBuffer in interface ServletResponse

Overrides:

flushBuffer in class HttpServletResponseOutputWrapper

Throws:

IOException

reset

public void reset()

Specified by:

reset in interface ServletResponse

Overrides:

reset in class HttpServletResponseOutputWrapper

close

public void close()
           throws IOException

Description copied from class: HttpServletResponseOutputWrapper

Close the response body. This closes any created writer or output stream.

Overrides:

close in class HttpServletResponseOutputWrapper

Throws:

IOException - When an I/O error occurs.

createOutputStream

protected OutputStream createOutputStream()

Description copied from class: HttpServletResponseOutputWrapper

Returns the custom implementation of the servlet response OutputStream.

Specified by:

createOutputStream in class HttpServletResponseOutputWrapper

Returns:

The custom implementation of the servlet response OutputStream.