Class IfTag
- java.lang.Object
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- javax.servlet.jsp.tagext.TagSupport
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- javax.servlet.jsp.jstl.core.ConditionalTagSupport
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- org.apache.taglibs.standard.tag.rt.core.IfTag
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- All Implemented Interfaces:
java.io.Serializable
,javax.servlet.jsp.tagext.IterationTag
,javax.servlet.jsp.tagext.JspTag
,javax.servlet.jsp.tagext.Tag
public class IfTag extends ConditionalTagSupport
Tag handler for <if> in JSTL's rtexprvalue library. Because of the support provided by the ConditionalTagSupport class, this tag is trivial enough not to require a separate base supporting class common to both libraries.
- See Also:
- Serialized Form
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Field Summary
Fields Modifier and Type Field Description private boolean
test
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Constructor Summary
Constructors Constructor Description IfTag()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected boolean
condition()
Subclasses implement this method to compute the boolean result of the conditional action.private void
init()
void
release()
Releases any resources this ConditionalTagSupport may have (or inherit).void
setTest(boolean test)
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Methods inherited from class javax.servlet.jsp.jstl.core.ConditionalTagSupport
doStartTag, setScope, setVar
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Method Detail
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release
public void release()
Description copied from class:ConditionalTagSupport
Releases any resources this ConditionalTagSupport may have (or inherit).- Specified by:
release
in interfacejavax.servlet.jsp.tagext.Tag
- Overrides:
release
in classConditionalTagSupport
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condition
protected boolean condition()
Description copied from class:ConditionalTagSupport
Subclasses implement this method to compute the boolean result of the conditional action. This method is invoked once per tag invocation by doStartTag().
- Specified by:
condition
in classConditionalTagSupport
- Returns:
- a boolean representing the condition that a particular subclass uses to drive its conditional logic.
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setTest
public void setTest(boolean test)
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init
private void init()
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