How to generate standalone GRAILS/GORM views

import java.util.Calendar
import org.codehaus.groovy.grails.web.servlet.DefaultGrailsApplicationAttributes;
import org.codehaus.groovy.grails.commons.*
import grails.gsp.PageRenderer
import grails.gsp.ExtendedPageRenderer

class StandaloneContentGenerator {

def PageRenderer groovyPageRenderer

def generateContent() {
  ...
  HashMap map = new HashMap()
  map.put(DefaultGrailsApplicationAttributes.CONTROLLER_NAME_ATTRIBUTE, 'logEntry')
  map.put(DefaultGrailsApplicationAttributes.APP_URI_ATTRIBUTE, 'http://host:port/App')

  def content = new ExtendedPageRenderer(groovyPageRenderer, map).render(view: "/logEntry/list",
model: [logEntryInstanceList: results, logEntryInstanceTotal: results.size,
"flash.message": 'Content generated'])
  return content
}
}