Using XML with Legacy Business Applications

A Simple Example: Hello World

I think the best way to teach a programming language is to start with a very simple, contrived example. So, here is an XSLT version of Hello World.

Stylesheet (HelloWorld.xsl)

<?xml version="1.0" encoding="UTF-8"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:template match="/"> <HelloWorld>Howdy!</HelloWorld> </xsl:template> </xsl:stylesheet>

Here is our source document.

Source (Goodbye.xml)

<?xml version="1.0" encoding="UTF-8"?> <Goodbye> you all </Goodbye>

We can run the source document through an XSLT processor using our HelloWorld.xsl stylesheet and produce the following result.

Result (HelloWorld.xml)

<?xml version="1.0" encoding="UTF-8"?> <HelloWorld> Howdy! </HelloWorld> ...