org.apache.struts.taglib.logic
Class MessagesNotPresentTag

java.lang.Object
  extended by javax.servlet.jsp.tagext.TagSupport
      extended by org.apache.struts.taglib.logic.ConditionalTagBase
          extended by org.apache.struts.taglib.logic.MessagesPresentTag
              extended by org.apache.struts.taglib.logic.MessagesNotPresentTag
All Implemented Interfaces:
Serializable, IterationTag, Tag
Direct Known Subclasses:
NestedMessagesNotPresentTag

public class MessagesNotPresentTag
extends MessagesPresentTag

Evalute the nested body content of this tag if the specified value is not present for this request.

Since:
Struts 1.1
Version:
$Rev: 471754 $ $Date: 2004-10-16 12:38:42 -0400 (Sat, 16 Oct 2004) $
See Also:
Serialized Form

Field Summary
 
Fields inherited from class org.apache.struts.taglib.logic.MessagesPresentTag
message
 
Fields inherited from class org.apache.struts.taglib.logic.ConditionalTagBase
cookie, header, messages, name, parameter, property, role, scope, user
 
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
MessagesNotPresentTag()
           
 
Method Summary
protected  boolean condition()
          Evaluate the condition that is being tested by this particular tag, and return true if the nested body content of this tag should be evaluated, or false if it should be skipped.
 
Methods inherited from class org.apache.struts.taglib.logic.MessagesPresentTag
condition, getMessage, release, setMessage
 
Methods inherited from class org.apache.struts.taglib.logic.ConditionalTagBase
doEndTag, doStartTag, getCookie, getHeader, getName, getParameter, getProperty, getRole, getScope, getUser, setCookie, setHeader, setName, setParameter, setProperty, setRole, setScope, setUser
 
Methods inherited from class javax.servlet.jsp.tagext.TagSupport
doAfterBody, 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

MessagesNotPresentTag

public MessagesNotPresentTag()
Method Detail

condition

protected boolean condition()
                     throws JspException
Evaluate the condition that is being tested by this particular tag, and return true if the nested body content of this tag should be evaluated, or false if it should be skipped. This method must be implemented by concrete subclasses.

Overrides:
condition in class MessagesPresentTag
Throws:
JspException - if a JSP exception occurs


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