// POSTリクエストを送信するメソッド
private static void sendPostRequest() throws IOException {
Path path = Paths.get("ohayo01mayu.flac");
byte[] data = Files.readAllBytes(path);
URL url = new URL(
"https://www.google.com/speech-api/v2/recognize?xjerr=1&;client=kukio&lang=ja-JP&maxresults=10&pfilter=0&xjerr=1&key=AIzaSyCDXdZsezweA5yTJr3tTRLO-3J970KFHxY");
HttpURLConnection httpCon =
(HttpURLConnection) url.openConnection();
httpCon.setRequestMethod("POST");
httpCon.setDoOutput(true);
httpCon.setDoInput(true);
httpCon.setInstanceFollowRedirects(false);
httpCon.setRequestProperty("Content-Type", "audio/x-flac; rate=16000");
httpCon.setRequestProperty("User-Agent", "kukio");
httpCon.setConnectTimeout(60000);
httpCon.setUseCaches (false);
OutputStreamWriter wr = new OutputStreamWriter(
httpCon.getOutputStream());
wr.write(new String(data));
wr.flush();
wr.close();
System.out.println("Done");
displayResponse(httpCon);
httpCon.disconnect();
}