Class that represents a CSV (comma separated values) document

CsvDoc.groovy

class CsvDoc {
   def doc = []

	def setHeader(titles) {
      doc = [ toCsv(titles) ] + doc
   }

   def addRow(values) {
      doc << toCsv(values)
   }
   
	def toCsv(list) {
      list.collect { it instanceof Number ? it : "\"$it\"" }.join(",")
   }
   
   public String toString() {
      doc.join("\n")
   }
}