if
Please make sure you have read the Tag Syntax document and understand how tag attribute syntax works.
Description
Perform basic condition flow. if tag could be used by itself or can be followed by zero or more elseif tags 
followed by zero or one else tag.
If tag
Attributes
| Dynamic Attributes Allowed:false | |||||
| Name | Required | Default | Evaluated | Type | Description | 
|---|---|---|---|---|---|
| performClearTagStateForTagPoolingServers | false | false | false | Boolean | Whether to clear all tag state during doEndTag() processing (if applicable) | 
| test | true | false | Boolean | Expression to determine if body of tag is to be displayed | |
Examples
<s:if test="%{false}">
    <div>Will Not Be Executed</div>
</s:if>
<s:elseif test="%{true}">
    <div>Will Be Executed</div>
</s:elseif>
<s:else>
    <div>Will Not Be Executed</div>
</s:else>
