private static void writePost(Collection<Connection.KeyVal> data, OutputStream outputStream)
throws IOException {
OutputStreamWriter w = new OutputStreamWriter(outputStream, DataUtil.defaultCharset);
boolean first = true;
for (Connection.KeyVal keyVal : data) {
if (!first) w.append('&');
else first = false;
w.write(URLEncoder.encode(keyVal.key(), DataUtil.defaultCharset));
w.write('=');
w.write(URLEncoder.encode(keyVal.value(), DataUtil.defaultCharset));
}
w.close();
}
