result = remote_command_runner_util.CommandRunner(command, host, user).execute()

import pipes, shlex
if hasattr(pipes, 'quote'):
    quote = pipes.quote       # Python 2
else:
    quote = shlex.quote       # Python 3

def executeCommand(argv, host, user):
    cmd_str = (' '.join(quote(arg) for arg in argv))
    return remote_command_runner_util.CommandRunner(cmd_str, host, user).execute()

executeCommand(['java', '-jar', '/path/to/remote.jar', 'com.test.helloWorld'], host, user)