net.ttddyy.dsproxy.support

Class CommonsQueryCountLoggingFilter

java.lang.Object

net.ttddyy.dsproxy.support.CommonsQueryCountLoggingFilter

All Implemented Interfaces:

javax.servlet.Filter

public class CommonsQueryCountLoggingFilter
extends Object
implements javax.servlet.Filter

Servlet Filter to log the query metrics during a http request lifecycle using Apache Commons Logging. Some application server reuse threads without cleaning thread local values. Default, this filter clear the thread local value used to hold the query metrics. If you do not want to clear the thread local value, set "clearQueryCounter", a servlet parameter, to false. Also, you can set a log level.

Author:

Tadaya Tsuyukubo

See Also:

CommonsQueryCountLoggingHandlerInterceptor, CommonsQueryCountLoggingRequestListener

Constructor Summary

Constructors

Constructor and Description
CommonsQueryCountLoggingFilter()

Method Summary

Methods

Modifier and Type	Method and Description
void	destroy()
void	doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain)
void	init(javax.servlet.FilterConfig filterConfig)
void	setClearQueryCounter(boolean clearQueryCounter)
void	setLogFormatter(QueryCountLogFormatter logFormatter)
void	setLogLevel(CommonsLogLevel logLevel)

Methods inherited from class java.lang.Object

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

Constructor Detail

CommonsQueryCountLoggingFilter

public CommonsQueryCountLoggingFilter()

Method Detail

init

public void init(javax.servlet.FilterConfig filterConfig)
          throws javax.servlet.ServletException

Specified by:

init in interface javax.servlet.Filter

Throws:

javax.servlet.ServletException

doFilter

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

Specified by:

doFilter in interface javax.servlet.Filter

Throws:

IOException

javax.servlet.ServletException

destroy

public void destroy()

Specified by:

destroy in interface javax.servlet.Filter

setClearQueryCounter

public void setClearQueryCounter(boolean clearQueryCounter)

setLogLevel

public void setLogLevel(CommonsLogLevel logLevel)

setLogFormatter

public void setLogFormatter(QueryCountLogFormatter logFormatter)