Bring old CheckJar back and use for non-dex jars

  return True

def CheckJar(dexdump_path, allow_list_path, jar):

  """Check a jar file.

  """

  # Get the list of files inside the jar file.

  p = subprocess.Popen(args='jar tf %s' % jar,

      stdout=subprocess.PIPE, shell=True)

  stdout, _ = p.communicate()

  if p.returncode != 0:

    return False

  items = stdout.split()

  if 'classes.dex' in items:

    return CheckDexJar(dexdump_path, allow_list_path, jar)

  classes = 0

  for f in items:

    if f.endswith('.class'):

      classes += 1

      package_name = os.path.dirname(f)

      package_name = package_name.replace('/', '.')

      if not package_name or not allow_list_re.match(package_name):

        print >> sys.stderr, ('Error: %s contains class file %s, whose package name %s is empty or'

                              ' not in the allow list %s of packages allowed on the bootclasspath.'

                              % (jar, f, package_name, allow_list_path))

        return False

  if classes == 0:

    print >> sys.stderr, ('Error: %s does not contain any class files.' % jar)

    return False

  return True

def main(argv):

  if len(argv) < 3:

    print __doc__

  passed = True

  for jar in argv[2:]:

    if not CheckDexJar(dexdump_path, allow_list_path, jar):

    if not CheckJar(dexdump_path, allow_list_path, jar):

      passed = False

  if not passed:

    return 1