org.apache.taglibs.request
Class IsSessionValidTag

java.lang.Object
  extended byjavax.servlet.jsp.tagext.TagSupport
      extended byorg.apache.taglibs.request.IsSessionValidTag
All Implemented Interfaces:
javax.servlet.jsp.tagext.IterationTag, java.io.Serializable, javax.servlet.jsp.tagext.Tag

public class IsSessionValidTag
extends javax.servlet.jsp.tagext.TagSupport

JSP Tag issessionvalid, used to determine if HttpServletRequest session is valid.

Includes the body of the tag if session is valid.

You can set the optional tag attribute value to true or false. The body of the tag is included if issessionvalid matches the value.

JSP Tag Lib Descriptor

 <name>issessionvalid</name>
 <tagclass>org.apache.taglibs.request.IsSessionValidTag</tagclass>
 <bodycontent>JSP</bodycontent>
 <info>Test whether the HTTP session is valid.</info>
   <attribute>
     <name>value</name>
     <required>false</required>
     <rtexprvalue>false</rtexprvalue>
   </attribute>
 

Author:
Glenn Nielsen
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
IsSessionValidTag()
           
 
Method Summary
 int doStartTag()
          Determines whether session is valid.
 void setValue(boolean value)
          Set the optional tag attribute value to true or false.
 
Methods inherited from class javax.servlet.jsp.tagext.TagSupport
doAfterBody, doEndTag, 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

IsSessionValidTag

public IsSessionValidTag()
Method Detail

doStartTag

public final int doStartTag()
                     throws javax.servlet.jsp.JspException
Determines whether session is valid.

Returns:
SKIP_BODY if issessionvalid doesn't match value, EVAL_BODY_include if issessionvalid matches value
Throws:
javax.servlet.jsp.JspException

setValue

public final void setValue(boolean value)
Set the optional tag attribute value to true or false.



Copyright ? 2000-2004 The Apache Software Foundation. All Rights Reserved.