class Jars::JarDetails

def artifact_id
  self[1]
end

def classifier
  return nil if size == 5
  self[2]
end

def file
  file = self[-1].strip
  file.empty? ? path : file
end

def gacv
  classifier ? self[0..3] : self[0..2]
end

def group_id
  self[0]
end

def path
  if scope == :system
    # replace maven like system properties embedded into the string
    self[-1].gsub(/\$\{[a-zA-Z.]+\}/) do |a|
      ENV_JAVA[a[2..-2]] || a
    end
  else
    File.join(Jars.home, group_id.gsub(/[.]/, '/'), artifact_id, version, "#{gacv[1..].join('-')}.jar")
  end
end

def scope
  self[-2].to_sym
end

def version
  self[-3]
end