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JSTL XML <x:if> Tag

The <x:if> tag is used for evaluating the test XPath expression. It is a simple conditional tag which is used for evaluating its body if the supplied condition is true.

The syntax used for including the <x:if> tag is:

Let's see the simple example to understand the xml <x:if> tag:

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="x" uri="http://java.sun.com/jsp/jstl/xml" %>
<html>
<head>
  <title>x:if Tags</title>
</head>
<body>
<h2>Vegetable Information:</h2>
<c:set var="vegetables">
<vegetables>
    <vegetable>
      <name>onion</name>
      <price>40</price>
    </vegetable>
 <vegetable>
      <name>Potato</name>
      <price>30</price>
    </vegetable>
 <vegetable>
      <name>Tomato</name>
      <price>90</price>
    </vegetable>
</vegetables>
</c:set>
<x:parse xml="${vegetables}" var="output"/>
<x:if select="$output/vegetables/vegetable/price < 100">
   Vegetables prices are very low.
</x:if>
</body>
</html>

Output:

Vegetable Information:

Vegetables prices are very low.

JSTL XML Tags5

Next TopicJSTL XML <x:transform> Tag

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