TransformXML.scala

import scala.xml._
import transform._

object Test {
	// utility method for a simple interface to the transform package
	def transform(xml: Node)(f: Node => Seq[Node]) = {
		val rule = new RewriteRule { override def transform(n: Node) = f(n) }
		val transformer = new RuleTransformer(rule)
		transformer transform xml
	}

	// sample data
	val xml =
		<rules>
			<rule>A</rule>
			<rule>B</rule>
			<rule>
				<rule oRuleEdit="Areas">C</rule>
			</rule>
			<rule>
				<rule>D</rule>
				<rule>E</rule>
			</rule>
		</rules>

	// some data to insert in the transformation
	def newData = "3"

	// transform the XML
	val transformed = transform(xml) {
		case n @ <rule>{c}</rule>  if (n \ "@oRuleEdit").text == "Areas" =>
			<rule>{newData}</rule>
		case n => n
	}

	println("\nRaw:\n\n" + xml)
	println("\nTransformed:\n\n" + transformed )
}