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

java.lang.Object
  extended by javax.servlet.jsp.tagext.TagSupport
      extended by javax.servlet.jsp.jstl.core.ConditionalTagSupport
          extended by org.apache.taglibs.standard.tag.common.core.WhenTagSupport
              extended by 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
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 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)


Copyright © 2007 Mort Bay Consulting. All Rights Reserved.