初始化

lib/hj_utils/dns_solve/_response.dart

@@ -0,0 +1,90 @@
+part of '_dnsolve.dart';
+
+String _handleResponse(http.Response response) {
+  if (response.statusCode >= 200 && response.statusCode <= 209) {
+    return response.body;
+  } else {
+    throw ResponseException(
+      body: response.body,
+      headers: response.headers,
+      statusCode: response.statusCode,
+    );
+  }
+}
+
+/// Represents a response from a DNS resolution operation.
+///
+/// This class includes information about the resolution status, flags,
+/// comments, resolved answer, and the list of questions queried.
+class ResolveResponse {
+  const ResolveResponse({
+    required this.status,
+    required this.tc,
+    required this.rd,
+    required this.ra,
+    required this.ad,
+    required this.cd,
+    required this.comment,
+    required this.answer,
+    required this.questions,
+  });
+
+  /// The status code indicating the result of the DNS resolution.
+  final int? status;
+
+  /// Indicates if the response was truncated.
+  final bool? tc;
+
+  /// Indicates if recursion was desired in the request.
+  final bool? rd;
+
+  /// Indicates if recursion is available in the response.
+  final bool? ra;
+
+  /// Indicates if the data in the response is authenticated.
+  final bool? ad;
+
+  /// Indicates if checking is disabled in the response.
+  final bool? cd;
+
+  /// Additional comments or information related to the resolution response.
+  final String? comment;
+
+  /// The resolved answer containing DNS records.
+  final _Answer? answer;
+
+  /// List of questions queried in the resolution request.
+  final List<_Question>? questions;
+
+  /// Constructs a [ResolveResponse] instance from JSON data.
+  ///
+  /// The [json] parameter should be a map containing the fields of a DNS
+  /// resolution response. Returns a [ResolveResponse] instance with parsed
+  /// data.
+  factory ResolveResponse.fromJson(Map<String, dynamic> json) => ResolveResponse(
+        status: json['Status'] as int?,
+        tc: json['TC'] as bool?,
+        rd: json['RD'] as bool?,
+        ra: json['RA'] as bool?,
+        ad: json['AD'] as bool?,
+        cd: json['CD'] as bool?,
+        comment: json['comment'] as String?,
+        answer: _Answer.fromJson(json['Answer'] as List<dynamic>?),
+        questions: () {
+          final data = json['Question'];
+          if (data == null) return null;
+          if (data is List) {
+            return (data as List)
+                .map(
+                  (question) => _Question.fromJson(question as Map<String, dynamic>),
+                )
+                .toList();
+          }
+          if (data is Map) return [_Question.fromJson(Map<String, dynamic>.from(data))];
+        }(),
+      );
+
+  @override
+  String toString() =>
+      '''status: $status, truncation: $tc, recursion desired(rd): $rd, recursion available(ra): $ra, authenticated data(ad): $ad, checking disabled(cd): $cd, comment: $comment, answer: $answer, questions: $questions''';
+}