twittperatorのChirpUserStreamからのデータをログに書き出す

log-writer.tw

/*
 * このファイルを置いたディレクトリに
 * twittperator.log
 * を作って、ChirpUserStream からのデータを書き出すよ
 * tail -f で見ると良い感じ！！
 */


let charset = "UTF-8";
let os, fos;

function start() {
  os = Cc["@mozilla.org/intl/converter-output-stream;1"]
            .createInstance(Ci.nsIConverterOutputStream);
  let perms = 0644,
      mode = io.File.MODE_WRONLY | io.File.MODE_CREATE | io.File.MODE_APPEND;
  fos = Cc["@mozilla.org/network/file-output-stream;1"].createInstance(Ci.nsIFileOutputStream);
  fos.init(getLogFile(), mode, perms, 0);
  os.init(fos, charset, 0, 0x0000);
}
function stop() {
  os.close();
  fos.close();
}
function getLogFile(){
  let logFile = io.File(PATH).parent;
  logFile.append("twittperator.log");
  return logFile;
}
function log (msg) {
  if (!os || !fos)
    return;
  try {
    os.writeString(msg);
  } catch (e) {
    liberator.log(e);
  }
}

plugins.twittperator.ChirpUserStream.addListener(
  function onMsg (msg, raw) {
    if (msg.text && msg.user) {
      log([
        msg.user.screen_name + "#" + msg.id,
        (new Date(msg.created_at)).toLocaleFormat("%Y-%m-%dT%H:%M:%S"),
        msg.text
      ].join("\t") + "\n");
    }
  }
);
start();
function onUnload() {
  stop();
}
// vim: sw=2 ts=2 et fdm=marker ft=javascript: