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:

javax.servlet.jsp.tagext.BodyTag, javax.servlet.jsp.tagext.IterationTag, java.io.Serializable, javax.servlet.jsp.tagext.Tag

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.

Author:

Michiel Meeuwissen

See Also:

Serialized Form

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

contextId, PAGE_CATEGORY, pageContextTag, referid, writerid

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

bodyContent

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

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

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

findParentTag, findParentTag, findWriter, findWriter, getAttributeBoolean, getAttributeInteger, getAttributeInteger, getAttributeValue, getContextTag, getObject, getReferid, getString, release, setContext, setPageContext, setReferid, setWriter

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

doEndTag, doInitBody, getBodyContent, getPreviousOut, setBodyContent

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

findAncestorWithClass, getId, getParent, getValue, getValues, removeValue, setId, 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(java.lang.String n)
             throws javax.servlet.jsp.JspTagException

startTimer

public int startTimer(java.lang.String id,
                      java.lang.String id2)

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.

startTimer

public int startTimer(java.lang.String id)

haltTimer

public long haltTimer(int handle)

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

doStartTag

public int doStartTag()
               throws javax.servlet.jsp.JspTagException

Initialize timer.

Overrides:

doStartTag in class javax.servlet.jsp.tagext.BodyTagSupport

doAfterBody

public int doAfterBody()
                throws javax.servlet.jsp.JspTagException

Overrides:

doAfterBody in class javax.servlet.jsp.tagext.BodyTagSupport