当前页面: 在线文档首页 > Spring Framework 2.1.0 API 文档英文版

Log4jNestedDiagnosticContextFilter (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

---

Overview  Package   Class  Use  Tree  Deprecated  Index  Help		The Spring Framework
PREV CLASS   NEXT CLASS	FRAMES    NO FRAMES
SUMMARY: NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

---

org.springframework.web.filter
Class Log4jNestedDiagnosticContextFilter

java.lang.Object
  org.springframework.web.filter.GenericFilterBean
      org.springframework.web.filter.OncePerRequestFilter
          org.springframework.web.filter.AbstractRequestLoggingFilter
              org.springframework.web.filter.Log4jNestedDiagnosticContextFilter

All Implemented Interfaces:

Filter, BeanNameAware, DisposableBean, InitializingBean, ServletContextAware

---

public class Log4jNestedDiagnosticContextFilter
extends AbstractRequestLoggingFilter

Request logging filter that adds the request log message to the Log4J nested diagnostic context (NDC) before the request is processed, removing it again after the request is processed.

Since:

1.2.5

Author:

Rob Harrop, Juergen Hoeller

See Also:

AbstractRequestLoggingFilter.setIncludeQueryString(boolean), AbstractRequestLoggingFilter.setBeforeMessagePrefix(java.lang.String), AbstractRequestLoggingFilter.setBeforeMessageSuffix(java.lang.String), AbstractRequestLoggingFilter.setAfterMessagePrefix(java.lang.String), AbstractRequestLoggingFilter.setAfterMessageSuffix(java.lang.String), NDC.push(String), NDC.pop()

---

Field Summary
protected  Logger	log4jLogger           Logger available to subclasses

 

Fields inherited from class org.springframework.web.filter.AbstractRequestLoggingFilter
DEFAULT_AFTER_MESSAGE_PREFIX, DEFAULT_AFTER_MESSAGE_SUFFIX, DEFAULT_BEFORE_MESSAGE_PREFIX, DEFAULT_BEFORE_MESSAGE_SUFFIX

 

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

 

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

 

Constructor Summary
Log4jNestedDiagnosticContextFilter()

 

Method Summary
protected  void	afterRequest(HttpServletRequest request, String message)           Removes the log message from the Log4J NDC after the request is processed and logs the after-request message through Log4J.
protected  void	beforeRequest(HttpServletRequest request, String message)           Logs the before-request message through Log4J and adds a message the Log4J NDC before the request is processed.
protected  String	getNestedDiagnosticContextMessage(HttpServletRequest request)           Determine the message to be pushed onto the Log4J nested diagnostic context.

 

Methods inherited from class org.springframework.web.filter.AbstractRequestLoggingFilter
createMessage, doFilterInternal, isIncludeQueryString, setAfterMessagePrefix, setAfterMessageSuffix, setBeforeMessagePrefix, setBeforeMessageSuffix, setIncludeQueryString

 

Methods inherited from class org.springframework.web.filter.OncePerRequestFilter
doFilter, getAlreadyFilteredAttributeName, shouldNotFilter

 

Methods inherited from class org.springframework.web.filter.GenericFilterBean
addRequiredProperty, afterPropertiesSet, destroy, getFilterConfig, getFilterName, getServletContext, init, initBeanWrapper, initFilterBean, setBeanName, setServletContext

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

log4jLogger

protected final Logger log4jLogger

Logger available to subclasses

Constructor Detail

Log4jNestedDiagnosticContextFilter

public Log4jNestedDiagnosticContextFilter()

Method Detail

beforeRequest

protected void beforeRequest(HttpServletRequest request,
                             String message)

Logs the before-request message through Log4J and adds a message the Log4J NDC before the request is processed.

Specified by:

beforeRequest in class AbstractRequestLoggingFilter

Parameters:

request - current HTTP request

message - the message to log

---

getNestedDiagnosticContextMessage

protected String getNestedDiagnosticContextMessage(HttpServletRequest request)

Determine the message to be pushed onto the Log4J nested diagnostic context.

Default is a plain request log message without prefix or suffix.

Parameters:

request - current HTTP request

Returns:

the message to be pushed onto the Log4J NDC

See Also:

AbstractRequestLoggingFilter.createMessage(javax.servlet.http.HttpServletRequest, java.lang.String, java.lang.String)

---

afterRequest

protected void afterRequest(HttpServletRequest request,
                            String message)

Removes the log message from the Log4J NDC after the request is processed and logs the after-request message through Log4J.

Specified by:

afterRequest in class AbstractRequestLoggingFilter

Parameters:

request - current HTTP request

message - the message to log

---

Overview  Package   Class  Use  Tree  Deprecated  Index  Help		The Spring Framework
PREV CLASS   NEXT CLASS	FRAMES    NO FRAMES
SUMMARY: NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

---

Copyright © 2002-2007 The Spring Framework.