groovy extract date range in days from xml (for soapui)

dates.groovy

import groovy.time.TimeCategory

// create XmlHolder for request content
def holder = new com.eviware.soapui.support.XmlHolder( mockRequest.requestContent )

// get arguments
def startDateStr = holder["//b:StartDate"]
def endDateStr = holder["//b:EndDate"]

log.info "start: " + startDateStr + " end:" + endDateStr

try
{
  def startDate = Date.parse("yyyy-MM-dd", startDateStr)
  def endDate = Date.parse("yyyy-MM-dd", endDateStr)

  log.info "RANGE: " + startDate + " - " + endDate
  
  def range = TimeCategory.minus(endDate, startDate).days + "d"
  log.info "range string: " + range

  // range is known. return it (response name)
  return range
  
} catch(e) {
  log.info "Error: " + e
  return "Invalid Input Response"
}