Esempio n. 1
0
 @Override
 public String getUsername(byte[] encodedKey) {
   String b64key = Base64.getEncoder().encodeToString(encodedKey);
   try {
     try (PreparedStatement preparedStatement =
         conn.prepareStatement("select name from users where publickey = ? limit 1")) {
       preparedStatement.setString(1, b64key);
       ResultSet resultSet = preparedStatement.executeQuery();
       boolean next = resultSet.next();
       if (!next) return "";
       return resultSet.getString(1);
     }
   } catch (SQLException sqle) {
     throw new IllegalStateException(sqle);
   }
 }
Esempio n. 2
0
  @Override
  public byte[] getAllUsernamesGzip() throws IOException {
    try (PreparedStatement stmt = conn.prepareStatement("select name from users")) {
      ResultSet rs = stmt.executeQuery();
      List<String> list = new ArrayList<>();
      while (rs.next()) {
        String username = rs.getString("name");
        list.add(username);
      }

      ByteArrayOutputStream bout = new ByteArrayOutputStream();
      try (DataOutputStream dout = new DataOutputStream(new GZIPOutputStream(bout))) {

        for (String uname : list) Serialize.serialize(uname, dout);
      }
      return bout.toByteArray();
    } catch (SQLException sqe) {
      throw new IOException(sqe);
    }
  }