Read an XML from an URL

read xml from url.groovy

import groovy.xml.DOMBuilder
import javax.xml.parsers.*

// URL to read
def url= "http://stackoverflow.com/feeds/tag?tagnames=groovy&sort=newest"

// Parse the text
def doc
    // Reading with XmlSlurper
    doc = new XmlSlurper().parse( url)
    println "XmlSlurper doc " + doc.dump

    // Reading with DOMBuilder
    doc = DOMBuilder.parse( new InputStreamReader( url.toURL().openStream()))
    println "DOMBuilder doc " + doc.dump()

    // Reading with Java DOM
    doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse( url);
    println "DocumentBuilderFactory doc " + doc.dump()