org.apache.taglibs.request
Class IsSessionValidTag
java.lang.Object
javax.servlet.jsp.tagext.TagSupport
org.apache.taglibs.request.IsSessionValidTag
- All Implemented Interfaces:
- java.io.Serializable, javax.servlet.jsp.tagext.IterationTag, 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
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 |
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 |
IsSessionValidTag
public IsSessionValidTag()
doStartTag
public final int doStartTag()
throws javax.servlet.jsp.JspException
- Determines whether session is valid.
- Specified by:
doStartTag
in interface javax.servlet.jsp.tagext.Tag
- Overrides:
doStartTag
in class javax.servlet.jsp.tagext.TagSupport
- 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.
- Parameters:
boolean
- true or false
Copyright ? 2000-2004 The Apache Software Foundation. All Rights Reserved.