Apache Struts API Documentation: Class NotEmptyTag

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org.apache.struts.taglib.logic Class NotEmptyTag

java.lang.Object
  |
  +--javax.servlet.jsp.tagext.TagSupport
        |
        +--org.apache.struts.taglib.logic.ConditionalTagBase
              |
              +--org.apache.struts.taglib.logic.EmptyTag
                    |
                    +--org.apache.struts.taglib.logic.NotEmptyTag

All Implemented Interfaces:: java.io.Serializable, javax.servlet.jsp.tagext.Tag

Direct Known Subclasses:: NestedNotEmptyTag

public class NotEmptyTag
extends EmptyTag

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

Since:: Struts 1.1
Version:: $Rev: 54929 $ $Date: 2004-10-16 17:38:42 +0100 (Sat, 16 Oct 2004) $
See Also:: Serialized Form

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, parent, values

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

EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

Constructor Summary
`NotEmptyTag()`

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.EmptyTag

condition

Methods inherited from class org.apache.struts.taglib.logic.ConditionalTagBase

doEndTag, doStartTag, getCookie, getHeader, getName, getParameter, getProperty, getRole, getScope, getUser, release, setCookie, setHeader, setName, setParameter, setProperty, setRole, setScope, setUser

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

findAncestorWithClass, getId, getParent, getValue, getValues, removeValue, setId, setPageContext, setParent, setValue

Methods inherited from class java.lang.Object

, clone, equals, finalize, getClass, hashCode, notify, notifyAll, registerNatives, toString, wait, wait, wait

Constructor Detail

NotEmptyTag

public NotEmptyTag()

Method Detail

condition

protected boolean condition()
                     throws javax.servlet.jsp.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 EmptyTag

Throws:: javax.servlet.jsp.JspException - if a JSP exception occurs