Package com.atlassian.plugin.servlet.cache.filter

Class ETagCachingFilter

java.lang.Object

com.atlassian.plugin.servlet.cache.filter.ETagCachingFilter

All Implemented Interfaces:

jakarta.servlet.Filter

public class ETagCachingFilter
extends Object
implements jakarta.servlet.Filter

Filter responsible for performing caching of resources.

This filter will cover the following scenarios:

• WHEN If-None-Match matches the ETag generated from a Response body.
• THEN set the ETag header with the current ETag and set Http Status code to 304.
• AND an empty response body.

• WHEN If-None-Match does not match the ETag generated from a response body.
• THEN set the ETag header with the current ETag.
• AND set the response body with the current content.

Since:

4.1.19

Constructor Summary

Constructors

Constructor	Description
ETagCachingFilter()

Method Summary

Modifier and Type	Method	Description
void	destroy()
void	doFilter(jakarta.servlet.ServletRequest request, jakarta.servlet.ServletResponse response, jakarta.servlet.FilterChain chain)
void	init(jakarta.servlet.FilterConfig filterConfig)

Methods inherited from class java.lang.Object

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

Constructor Details

ETagCachingFilter

public ETagCachingFilter()

Method Details

init

public void init(jakarta.servlet.FilterConfig filterConfig)

Specified by:

init in interface jakarta.servlet.Filter

doFilter

public void doFilter(jakarta.servlet.ServletRequest request,
 jakarta.servlet.ServletResponse response,
 jakarta.servlet.FilterChain chain)
              throws IOException,
jakarta.servlet.ServletException

Specified by:

doFilter in interface jakarta.servlet.Filter

Throws:

IOException

jakarta.servlet.ServletException

destroy

public void destroy()

Specified by:

destroy in interface jakarta.servlet.Filter