org.mmbase.bridge.jsp.taglib.debug
Class TimerTag

java.lang.Object
  javax.servlet.jsp.tagext.TagSupport
      javax.servlet.jsp.tagext.BodyTagSupport
          org.mmbase.bridge.jsp.taglib.ContextReferrerTag
              org.mmbase.bridge.jsp.taglib.debug.TimerTag

All Implemented Interfaces:

Serializable, BodyTag, IterationTag, JspTag, Tag, TryCatchFinally

public class TimerTag
extends ContextReferrerTag

Times how long the executing of the body took, and logs this. Child elements can also time theirselves, and appear in the 'total times' overview.

Version:

$Id: TimerTag.java 35335 2009-05-21 08:14:41Z michiel $

Author:

Michiel Meeuwissen

See Also:

Serialized Form

Field Summary

Fields inherited from class org.mmbase.bridge.jsp.taglib.ContextReferrerTag

contextId, EVAL_BODY, helper, id, pageContextTag, referid, writerid

Fields inherited from class javax.servlet.jsp.tagext.BodyTagSupport

bodyContent

Fields inherited from class javax.servlet.jsp.tagext.TagSupport

pageContext

Fields inherited from interface javax.servlet.jsp.tagext.BodyTag

EVAL_BODY_BUFFERED, EVAL_BODY_TAG

Fields inherited from interface javax.servlet.jsp.tagext.IterationTag

EVAL_BODY_AGAIN

Fields inherited from interface javax.servlet.jsp.tagext.Tag

EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

Constructor Summary

TimerTag()

Method Summary

int	doAfterBody()
int	doEndTag()
int	doStartTag() Initialize timer.
long	haltTimer(int handle) Stops the timer identified by the handle, and logs and returns the result in second.
void	setName(String n)
int	startTimer(String id)
int	startTimer(String id, String id2) Starts a timer.

Methods inherited from class org.mmbase.bridge.jsp.taglib.ContextReferrerTag

appendMoreParameters, doCatch, doFinally, fillStandardParameters, findLoopOrQuery, findParentTag, findParentTag, findWriter, findWriter, getAttribute, getAttribute, getAttributeBoolean, getAttributeInteger, getAttributeInteger, getAttributeValue, getContentTag, getContextProvider, getContextTag, getCurrentBlock, getDefaultLocale, getEscapedValue, getFormTag, getId, getLocale, getLocaleFromContext, getObject, getObjectConditional, getPageContext, getPageContextTag, getQuery, getReferid, getString, getTaglibVersion, getThreadPageContext, getTimeZone, getWriterValue, haveBody, release, setContext, setEscape, setId, setJspvar, setListdelimiter, setPageContext, setReferid, setVartype, setWrite, setWriter

Methods inherited from class javax.servlet.jsp.tagext.BodyTagSupport

doInitBody, getBodyContent, getPreviousOut, setBodyContent

Methods inherited from class javax.servlet.jsp.tagext.TagSupport

findAncestorWithClass, getParent, getValue, getValues, removeValue, setParent, setValue

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.servlet.jsp.tagext.Tag

getParent, setParent

Constructor Detail

TimerTag

public TimerTag()

Method Detail

setName

public void setName(String n)
             throws JspTagException

Throws:

JspTagException

startTimer

public int startTimer(String id,
                      String id2)
               throws JspTagException

Starts a timer.

Parameters:

id - An id which optionally can be null. Can e.g. be getId().

id2 - Another id which cannot be null. Something descriptive.

Returns:

an integer handle, which you need to remember to halt the timer.

Throws:

JspTagException

startTimer

public int startTimer(String id)
               throws JspTagException

Throws:

JspTagException

haltTimer

public long haltTimer(int handle)
               throws JspTagException

Stops the timer identified by the handle, and logs and returns the result in second.

Throws:

JspTagException

doStartTag

public int doStartTag()
               throws JspTagException

Initialize timer.

Specified by:

doStartTag in interface Tag

Overrides:

doStartTag in class BodyTagSupport

Throws:

JspTagException

doAfterBody

public int doAfterBody()
                throws JspTagException

Specified by:

doAfterBody in interface IterationTag

Overrides:

doAfterBody in class BodyTagSupport

Throws:

JspTagException

doEndTag

public int doEndTag()
             throws JspTagException

Specified by:

doEndTag in interface Tag

Overrides:

doEndTag in class ContextReferrerTag

Throws:

JspTagException