Somando dias na data

gistfile1.java

Integer.metaClass.propertyMissing = { name ->			

	if (name == "day" || name == "days") {
		return delegate
	} else if (name == "month" || name == "months") {
		return delegate * 30
	} else if (name == "year" || name == "years") {
		return delegate * 30 * 12
	} else {
		throw new MissingPropertyException(delegate)
	}
}

println new Date()
println new Date() + 1.day
println new Date() + 10.days
println new Date() + 1.month
println new Date() + 10.months
println new Date() + 1.year
println new Date() + 10.years