com.beasys.commerce.axiom.tags
Class IsNullTag

java.lang.Object
  |
  +--javax.servlet.jsp.tagext.TagSupport
        |
        +--com.beasys.commerce.axiom.tags.IsNullTag

All Implemented Interfaces:

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

public class IsNullTag

extends javax.servlet.jsp.tagext.TagSupport

Tag extension to evaluate if an object is null. If it is, evaluate the tag body.

Version:

1.0

Author:

BEA Systems, Inc.

See Also:

Serialized Form

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

id, pageContext

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

EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

Constructor Summary

IsNullTag()

Method Summary

int	doEndTag() Called when the end of the tag is reached
int	doStartTag() Called when the tag starts.
java.lang.Object	getItem() Get the value of item.
void	setItem(java.lang.Object theItem) Set the value of item.

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

findAncestorWithClass, getId, getParent, getValue, getValues, release, 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

IsNullTag

public IsNullTag()

Method Detail

setItem

public void setItem(java.lang.Object theItem)

Set the value of item.

Parameters:

theItem - Value to assign to item.

getItem

public java.lang.Object getItem()

Get the value of item.

Returns:

Value of item.

doStartTag

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

Called when the tag starts.

Overrides:

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

doEndTag

public int doEndTag()
             throws javax.servlet.jsp.JspException

Called when the end of the tag is reached

Overrides:

doEndTag in class javax.servlet.jsp.tagext.TagSupport