A tool to apply a xml stylesheet into a source file and output the styled version to another file.

TransformXml.groovy

import javax.xml.transform.TransformerFactory
import javax.xml.transform.stream.StreamResult
import javax.xml.transform.stream.StreamSource

def cli = new CliBuilder( usage: 'groovy TransformXml.groovy -h -i inputfile -o output -x xsltfile...')
cli.h(longOpt:'help', 'usage information')
cli.i(argName:'input', longOpt:'input', args:1, required:true, type:GString, 'Directory/file for input')
cli.o(argName:'output', longOpt:'output', args:1, required:true, type:GString, 'Direcoty/file for output')
cli.x(argName:'xsltfile', longOpt:'xsltfile', args:1, required:true, type:GString, 'The transformation file')

def opt = cli.parse(args)
if(! opt) return

def input = new File(opt.i)
def output = new File(opt.o)
def xsltFile = new File(opt.x)

if(input.directory) {
	def p = ~/.*xml/
	input.eachFileMatch(p) {
		inputFile ->
		def factory = TransformerFactory.newInstance()
		def transformer = factory.newTransformer(new StreamSource(xsltFile))
		transformer.transform(new StreamSource(inputFile), new StreamResult(new File(output.absolutePath + File.separator + inputFile.name)))
	}	
}
else {
	def factory = TransformerFactory.newInstance()
	def transformer = factory.newTransformer(new StreamSource(xsltFile))
	transformer.transform(new StreamSource(input), new StreamResult(output))
}