org.openmrs.web.filter

Class GZIPFilter

java.lang.Object

org.springframework.web.filter.GenericFilterBean

org.springframework.web.filter.OncePerRequestFilter

org.openmrs.web.filter.GZIPFilter

All Implemented Interfaces:

javax.servlet.Filter, org.springframework.beans.factory.Aware, org.springframework.beans.factory.BeanNameAware, org.springframework.beans.factory.DisposableBean, org.springframework.beans.factory.InitializingBean, org.springframework.context.EnvironmentAware, org.springframework.core.env.EnvironmentCapable, org.springframework.web.context.ServletContextAware

public class GZIPFilter
extends org.springframework.web.filter.OncePerRequestFilter

Filter that compresses output with gzip (assuming that browser supports gzip). Code from http://www.onjava.com/pub/a/onjava/2003/11/19/filters.html. © 2003 Jayson Falkner You may freely use the code both commercially and non-commercially.

Field Summary

Fields inherited from class org.springframework.web.filter.OncePerRequestFilter

ALREADY_FILTERED_SUFFIX

Fields inherited from class org.springframework.web.filter.GenericFilterBean

logger

Constructor Summary

Constructors

Constructor and Description
GZIPFilter()

Method Summary

Modifier and Type	Method and Description
void	doFilterInternal(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, javax.servlet.FilterChain chain)
javax.servlet.http.HttpServletRequest	performGZIPRequest(javax.servlet.http.HttpServletRequest req) Supports GZIP requests

Methods inherited from class org.springframework.web.filter.OncePerRequestFilter

doFilter, doFilterNestedErrorDispatch, getAlreadyFilteredAttributeName, isAsyncDispatch, isAsyncStarted, shouldNotFilter, shouldNotFilterAsyncDispatch, shouldNotFilterErrorDispatch

Methods inherited from class org.springframework.web.filter.GenericFilterBean

addRequiredProperty, afterPropertiesSet, createEnvironment, destroy, getEnvironment, getFilterConfig, getFilterName, getServletContext, init, initBeanWrapper, initFilterBean, setBeanName, setEnvironment, setServletContext

Methods inherited from class java.lang.Object

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

Constructor Detail

GZIPFilter

public GZIPFilter()

Method Detail

doFilterInternal

public void doFilterInternal(javax.servlet.http.HttpServletRequest request,
                             javax.servlet.http.HttpServletResponse response,
                             javax.servlet.FilterChain chain)
                      throws IOException,
                             javax.servlet.ServletException

Specified by:

doFilterInternal in class org.springframework.web.filter.OncePerRequestFilter

Throws:

IOException

javax.servlet.ServletException

See Also:

OncePerRequestFilter.doFilterInternal(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, javax.servlet.FilterChain)

performGZIPRequest

public javax.servlet.http.HttpServletRequest performGZIPRequest(javax.servlet.http.HttpServletRequest req)

Supports GZIP requests

Parameters:

req - request

Returns:

gzipped request