JRuby Dir.tmpdir

tmpdir.rb

def Dir::tmpdir
  tmp = '.'
  if $SAFE > 0
    tmp = @@systmpdir
  else
    # Search a directory which isn't world-writable first. In JRuby,
    # FileUtils.remove_entry_secure(dir) crashes when a dir is under
    # a world-writable directory because it tries to open directory.
    # Opening directory is not allowed in Java.
    dirs = [ENV['TMPDIR'], ENV['TMP'], ENV['TEMP'], @@systmpdir, '/tmp', tmp]
    for dir in dirs
      if dir and stat = File.stat(dir) and stat.directory? and stat.writable? and !stat.world_writable?
        return File.expand_path(dir)
      end rescue nil
    end
    for dir in dirs
      if dir and stat = File.stat(dir) and stat.directory? and stat.writable?
        tmp = dir
        break
      end rescue nil
    end

    File.expand_path(tmp)
  end
end