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java.lang.ObjectTagSupport
it.eng.spago.taglib.logic.ConditionalTagBase
it.eng.spago.taglib.logic.EmptyTag
public class EmptyTag
Evalute the nested body content of this tag if the specified value is empty for this request.
Field Summary |
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Fields inherited from class it.eng.spago.taglib.logic.ConditionalTagBase |
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cookie, header, messages, name, parameter, role, scope, user |
Constructor Summary | |
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EmptyTag()
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Method Summary | |
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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. |
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. |
Methods inherited from class it.eng.spago.taglib.logic.ConditionalTagBase |
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doEndTag, doStartTag, getCookie, getHeader, getName, getParameter, getRole, getScope, getUser, release, setCookie, setHeader, setName, setParameter, setRole, setScope, setUser |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public EmptyTag()
Method Detail |
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protected boolean condition() throws JspException
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.
condition
in class ConditionalTagBase
JspException
- if a JSP exception occursprotected boolean condition(boolean desired) throws JspException
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.
desired
- Desired outcome for a true result
JspException
- if a JSP exception occurs
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