class KPM::Coordinates

def build_coordinates(coordinate_map)
  group_id = coordinate_map[:group_id]
  artifact_id = coordinate_map[:artifact_id]
  packaging = coordinate_map[:packaging]
  classifier = coordinate_map[:classifier]
  version = coordinate_map[:version]
  if classifier.nil?
    if version.nil?
      "#{group_id}:#{artifact_id}:#{packaging}"
    else
      "#{group_id}:#{artifact_id}:#{packaging}:#{version}"
    end
  else
    "#{group_id}:#{artifact_id}:#{packaging}:#{classifier}:#{version}"
  end
end

def get_coordinate_map(entry)
  parts = entry.split(':')
  length = parts.size
  case length
  when 3
    { group_id: parts[0], artifact_id: parts[1], packaging: parts[2] }
  when 4
    { group_id: parts[0], artifact_id: parts[1], packaging: parts[2], version: parts[3] }
  when 5
    { group_id: parts[0], artifact_id: parts[1], packaging: parts[2], classifier: parts[3], version: parts[4] }
  end
end