org.apache.taglibs.standard.tag.common.xml

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.common.xml.WhenTag

All Implemented Interfaces:

Serializable, IterationTag, JspTag, Tag

public class WhenTag
extends WhenTagSupport

Tag handler for <if> in JSTL's XML 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

Constructors

Constructor and Description
WhenTag()

Method Summary

Modifier and Type	Method and Description
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	setSelect(String select)

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 Tag

Overrides:

release in class ConditionalTagSupport

See Also:

Tag.release()

condition

protected boolean condition()
                     throws 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:

JspTagException

setSelect

public void setSelect(String select)