Package org.apache.logging.log4j.web
Class Log4jServletFilter
- java.lang.Object
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- org.apache.logging.log4j.web.Log4jServletFilter
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- All Implemented Interfaces:
jakarta.servlet.Filter
public class Log4jServletFilter extends java.lang.Object implements jakarta.servlet.Filter
This is responsible for the following:- Clearing the logger context when the application has finished starting up.
- Setting the logger context before processing a request and clearing it after processing a request.
- Setting the logger context when the application is starting to shut down.
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Field Summary
Fields Modifier and Type Field Description (package private) static java.lang.String
ALREADY_FILTERED_ATTRIBUTE
private Log4jWebLifeCycle
initializer
private static Logger
LOGGER
private jakarta.servlet.ServletContext
servletContext
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Constructor Summary
Constructors Constructor Description Log4jServletFilter()
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Method Summary
All Methods Instance Methods Concrete Methods 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)
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Field Detail
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LOGGER
private static final Logger LOGGER
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ALREADY_FILTERED_ATTRIBUTE
static final java.lang.String ALREADY_FILTERED_ATTRIBUTE
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servletContext
private jakarta.servlet.ServletContext servletContext
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initializer
private Log4jWebLifeCycle initializer
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Method Detail
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init
public void init(jakarta.servlet.FilterConfig filterConfig) throws jakarta.servlet.ServletException
- Specified by:
init
in interfacejakarta.servlet.Filter
- Throws:
jakarta.servlet.ServletException
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doFilter
public void doFilter(jakarta.servlet.ServletRequest request, jakarta.servlet.ServletResponse response, jakarta.servlet.FilterChain chain) throws java.io.IOException, jakarta.servlet.ServletException
- Specified by:
doFilter
in interfacejakarta.servlet.Filter
- Throws:
java.io.IOException
jakarta.servlet.ServletException
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destroy
public void destroy()
- Specified by:
destroy
in interfacejakarta.servlet.Filter
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