org.apache.struts.taglib.logic

Class EmptyTag

public class EmptyTag extends ConditionalTagBase

Evalute the nested body content of this tag if the specified value is empty for this request.

Since: Struts 1.1

Version: $Rev: 54929 $ $Date: 2004-10-16 17:38:42 +0100 (Sat, 16 Oct 2004) $

Method Summary
protected booleancondition()
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.
protected booleancondition(boolean desired)
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.

Method Detail

condition

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. This method must be implemented by concrete subclasses.

Throws: JspException if a JSP exception occurs

condition

protected boolean condition(boolean desired)
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.

Parameters: desired Desired outcome for a true result

Throws: JspException if a JSP exception occurs

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