XML comparison with wildcards using XMLUnit

gistfile1.txt

val diff = DiffBuilder.compare(expected).withTest(actual)
                .withNodeMatcher(DefaultNodeMatcher(ElementSelectors.byNameAndAllAttributes, ElementSelectors.byName))
                .ignoreWhitespace()
                .ignoreComments()
                .withDifferenceEvaluator(DifferenceEvaluators.chain(DifferenceEvaluators.Default, XmlWildcardDifferenceEvaluator()))
                .checkForSimilar()
                .build()
            assertThat(diff.differences).isEmpty()

class XmlWildcardDifferenceEvaluator : DifferenceEvaluator {
    override fun evaluate(comparison: Comparison?, outcome: ComparisonResult): ComparisonResult {
        var wildcardOutcome = outcome
        if (wildcardOutcome == ComparisonResult.DIFFERENT) {
            if(ComparisonType.TEXT_VALUE == comparison?.type || ComparisonType.ATTR_VALUE == comparison?.type) {
                if("*" == comparison.controlDetails.value) {
                    wildcardOutcome = ComparisonResult.SIMILAR
                }
            }
        }
        return wildcardOutcome
    }
}