fromWire static method

CapabilityHandshake fromWire(Object? value)

Decode a plain-JSON wire object. Defaults fragmentation_supported = false, ordered_reliable = true, features = [] when absent (mirrors the lazily-rs serde defaults).

Implementation

static CapabilityHandshake fromWire(Object? value) {
  final obj = value is Map ? value.cast<String, Object?>() : <String, Object?>{};
  int field(Object? v, String name) {
    if (v is! int || v < 0) {
      throw FormatException(
          '$name must be a non-negative integer, got ${v?.runtimeType}');
    }
    return v;
  }

  return CapabilityHandshake(
    peerId: field(obj['peer_id'], 'peer_id'),
    sessionId: (obj['session_id'] ?? '') as String,
    protocolId: (obj['protocol_id'] ?? kProtocolId) as String,
    protocolMajorVersion:
        (obj['protocol_major_version'] ?? kProtocolMajorVersion) as int,
    codec: (obj['codec'] ?? kDefaultCodec) as String,
    maxFrameSize:
        field(obj['max_frame_size'] ?? kDefaultMaxFrameSize, 'max_frame_size'),
    fragmentationSupported: (obj['fragmentation_supported'] ?? false) as bool,
    orderedReliable: (obj['ordered_reliable'] ?? true) as bool,
    features: obj['features'] is List
        ? (obj['features'] as List).map((e) => e.toString()).toList()
        : const [],
  );
}