org.apache.taglibs.standard.tag.el.core
Class WhenTag

java.lang.Object
  javax.servlet.jsp.tagext.TagSupport
      javax.servlet.jsp.jstl.core.ConditionalTagSupport
          org.apache.taglibs.standard.tag.common.core.WhenTagSupport
              org.apache.taglibs.standard.tag.el.core.WhenTag

All Implemented Interfaces:

Serializable, javax.servlet.jsp.tagext.IterationTag, javax.servlet.jsp.tagext.JspTag, javax.servlet.jsp.tagext.Tag

public class WhenTag
extends WhenTagSupport

Tag handler for <when> in JSTL's expression-evaluating library.

Author:

Shawn Bayern

See Also:

Serialized Form

Field Summary

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

id, pageContext

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

WhenTag()

Method Summary

protected boolean	condition() Subclasses implement this method to compute the boolean result of the conditional action.
void	release() Releases any resources this ConditionalTagSupport may have (or inherit).
void	setTest(String test)

Methods inherited from class org.apache.taglibs.standard.tag.common.core.WhenTagSupport

doStartTag

Methods inherited from class javax.servlet.jsp.jstl.core.ConditionalTagSupport

setScope, setVar

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

doAfterBody, doEndTag, findAncestorWithClass, getId, getParent, getValue, getValues, removeValue, setId, setPageContext, setParent, setValue

Methods inherited from class java.lang.Object

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

Constructor Detail

WhenTag

public WhenTag()

Method Detail

release

public void release()

Description copied from class: ConditionalTagSupport

Releases any resources this ConditionalTagSupport may have (or inherit).

Specified by:

release in interface javax.servlet.jsp.tagext.Tag

Overrides:

release in class ConditionalTagSupport

condition

protected boolean condition()
                     throws javax.servlet.jsp.JspTagException

Description copied from class: ConditionalTagSupport

Subclasses implement this method to compute the boolean result of the conditional action. This method is invoked once per tag invocation by doStartTag().

Specified by:

condition in class ConditionalTagSupport

Returns:

a boolean representing the condition that a particular subclass uses to drive its conditional logic.

Throws:

javax.servlet.jsp.JspTagException

setTest

public void setTest(String test)