Java jstl xml tag transform-IGI

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The <x:transform> tag in JSTL (JavaServer Pages Standard Tag Library) is used to transform an XML document using an XSLT stylesheet. Here's an example of how to use it:

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/xml" prefix="x" %>

<x:parse var="myXml">
  <root>
    <item id="1">Item 1</item>
    <item id="2">Item 2</item>
    <item id="3">Item 3</item>
  </root>
</x:parse>

<x:transform xml="${myXml}" xslt="path/to/my/stylesheet.xsl" var="transformedXml"/>

<x:out select="$transformedXml"/>

In this example, we use the <x:parse> tag to parse an XML document into an object named myXml. We then use the <x:transform> tag to transform the myXml object using an XSLT stylesheet located at path/to/my/stylesheet.xsl. The transformed XML document is stored in a variable named transformedXml.

Finally, we use the <x:out> tag to output the transformed XML document.

Note that the xslt attribute of the <x:transform> tag can also be set to a string literal containing the XSLT stylesheet, like this:

<x:transform xml="${myXml}" xslt="<xsl:stylesheet version='1.0' xmlns:xsl='http://www.w3.org/1999/XSL/Transform'><xsl:template match='root'><html><body>
<xsl:for-each select='item'>- <xsl:value-of select='.'/>
</xsl:for-each>

</body></html></xsl:template></xsl:stylesheet>" var="transformedXml"/>

In this case, the XSLT stylesheet is defined directly within the JSP file as a string literal.