Best way to pretty print XML response in grails

Question

Given this in a grails action:

def xml = {
    rss(version: \'2.0\') {
        ...
    }
}
render(contentType: \'application/rss+xml\', xml)

<

Answer 1

Use MarkupBuilder to pretty-print your Groovy xml

def writer = new StringWriter()
def xml = new MarkupBuilder (writer)

xml.rss(version: '2.0') {
        ...
    }
}

render(contentType: 'application/rss+xml', writer.toString())