org.apache.taglibs.request
Class ExistsCookieTag

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

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

JSP Tag existsCookie, used to determine if an HttpServletRequest cookie exists.

Includes the body of the tag if the cookie exists.

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

JSP Tag Lib Descriptor

 <name>existsCookie</name>
 <tagclass>org.apache.taglibs.request.ExistsCookieTag</tagclass>
 <bodycontent>JSP</bodycontent>
 <info>Includes the body of the tag if the request cookie exists.</info>
   <attribute>
     <name>name</name>
     <required>true</required>
     <rtexprvalue>false</rtexprvalue>
   </attribute>
   <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
ExistsCookieTag()
           
 
Method Summary
 int doStartTag()
          Includes the body of the tag if the request cookie exists.
 void setName(java.lang.String str)
          Set the required tag attribute name.
 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

ExistsCookieTag

public ExistsCookieTag()
Method Detail

doStartTag

public final int doStartTag()
                     throws javax.servlet.jsp.JspException
Includes the body of the tag if the request cookie exists.

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

setName

public final void setName(java.lang.String str)
Set the required tag attribute name.


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.