Grails XML Parsing By ID

XMLExample.groovy

import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;

class XMLExample implements ApplicationContextAware {
    def applicationContext

    /**
     * <?xml version="1.0" encoding="UTF-8"?>
     * <elementNames>
     *     <elementName id="UniqueIDInXMLFile" bar="baz" />
     *     <elementName id="AnotherUniqueIDInXMLFile" bar="baz" />
     * </elementNames>
     * 
     * @return
     */
    def getXMLElement() {
        def myfile = applicationContext.getResource("/WEB-INF/xml/file.xml").getFile()
        
        // groovy.util.slurpersupport.GPathResult
        def res = XML.parse(myfile.text)

        def myElement = res.elementName.find { it.@id == "UniqueIDInXMLFile" }
        def foo
        foo.bar = myElement.@bar.text()
        if (myElement.@bool.text() == "true") {
            foo.bool = true
        } else {
            foo.bool = false
        }
    }
}