mandatory property

Map<String, Null Function(PitelSipSettings src, PitelSipSettings? dst)> mandatory

Implementation

Map<String, Null Function(PitelSipSettings src, PitelSipSettings? dst)>
    mandatory =
    <String, Null Function(PitelSipSettings src, PitelSipSettings? dst)>{
  'sockets': (PitelSipSettings src, PitelSipSettings? dst) {
    List<WebSocketInterface>? sockets = src.sockets;
    /* Allow defining sockets parameter as:
     *  Socket: socket
     *  List of Socket: [socket1, socket2]
     *  List of Objects: [{socket: socket1, weight:1}, {socket: Socket2, weight:0}]
     *  List of Objects and Socket: [{socket: socket1}, socket2]
     */
    List<WebSocketInterface> copy = <WebSocketInterface>[];
    if (sockets is List && sockets!.isNotEmpty) {
      for (WebSocketInterface socket in sockets) {
        if (Socket.isSocket(socket)) {
          copy.add(socket);
        }
      }
    } else {
      throw exceptions.ConfigurationError('sockets', sockets);
    }

    dst!.sockets = copy;
  },
  'uri': (PitelSipSettings src, PitelSipSettings? dst) {
    dynamic uri = src.uri;
    if (src.uri == null && dst!.uri == null) {
      throw exceptions.ConfigurationError('uri', null);
    }
    if (!uri.contains(RegExp(r'^sip:', caseSensitive: false))) {
      uri = '${dart_sip_c.SIP}:$uri';
    }
    dynamic parsed = URI.parse(uri);
    if (parsed == null) {
      throw exceptions.ConfigurationError('uri', parsed);
    } else if (parsed.user == null) {
      throw exceptions.ConfigurationError('uri', parsed);
    } else {
      dst!.uri = parsed;
    }
  }
};