parse json better

lib/src/parser/dio_parser/dio_parser.dart

@@ -0,0 +1,58 @@
+import 'package:dio/dio.dart';
+
+enum ContentType {
+  TEXT_PLAIN,
+  TEXT_HTML,
+  TEXT_CSS,
+  TEXT_JS,
+  IMAGE,
+  AUDIO,
+  VIDEO,
+  JSON,
+  UNCATCH,
+}
+
+class DioParser {
+  Response _response;
+  DioParser(Response response) {
+    _response = response;
+  }
+  RequestOptions get request => _response.request;
+  Response get response => _response;
+  ContentType get type {
+    String _ctype = response.headers.map['content-type'].first;
+    switch (_ctype) {
+      case 'text/plain':
+        return ContentType.TEXT_PLAIN;
+      case 'text/html':
+        return ContentType.TEXT_HTML;
+      case 'text/css':
+        return ContentType.TEXT_CSS;
+      case 'text/javascript':
+        return ContentType.TEXT_JS;
+      case 'application/json':
+        return ContentType.JSON;
+    }
+    if (_ctype.contains('image/')) return ContentType.IMAGE;
+    if (_ctype.contains('audio/')) return ContentType.AUDIO;
+    if (_ctype.contains('video/'))
+      return ContentType.VIDEO;
+    else
+      return ContentType.UNCATCH;
+  }
+
+  String get highlight {
+    switch (type) {
+      case ContentType.TEXT_HTML:
+        return 'html';
+      case ContentType.TEXT_CSS:
+        return 'css';
+      case ContentType.TEXT_JS:
+        return 'javascript';
+      case ContentType.JSON:
+        return 'json';
+      default:
+        return '';
+    }
+  }
+}

lib/src/view/dio_response_view.dart

@@ -4,11 +4,14 @@ import 'package:dio/dio.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_highlight/flutter_highlight.dart';
 import 'package:flutter_highlight/themes/atom-one-light.dart';
+import 'package:power_logger/src/parser/dio_parser/dio_parser.dart';
 import 'package:power_logger/src/view/box_view.dart';
 import 'package:power_logger/src/view/table_view.dart';
 import 'package:power_logger/src/view/title_view.dart';
 import 'package:pretty_json/pretty_json.dart';
 
+// enum
+
 class DioResponseView extends StatefulWidget {
   final Response data;
   DioResponseView({Key key, @required this.data}) : super(key: key);
@@ -19,7 +22,8 @@ class DioResponseView extends StatefulWidget {
 
 class _DioResponseViewState extends State<DioResponseView> {
   bool _showRawData = false;
-  RequestOptions get _request => widget.data.request;
+  RequestOptions get _request => _dioParser.request;
+  DioParser _dioParser;
   _buildBaseURL() {
     return _request.baseUrl == null || _request.baseUrl.length == 0
         ? const SizedBox()
@@ -66,6 +70,44 @@ class _DioResponseViewState extends State<DioResponseView> {
   }
 
   _buildData() {
+    switch (_dioParser.type) {
+      case ContentType.TEXT_PLAIN:
+      case ContentType.TEXT_HTML:
+        return BoxView(
+          title: Text('Data'),
+          child: HighlightView(
+            widget.data.data,
+            language: _dioParser.highlight,
+            theme: atomOneLightTheme,
+          ),
+        );
+      case ContentType.JSON:
+        //解析字符串类型的JSON.
+        //parse json of String type.
+        if (widget.data.data is String) {
+          String json = '';
+          json = prettyJson(jsonDecode(widget.data.data));
+          return BoxView(
+            title: Text('Data'),
+            child: HighlightView(
+              json,
+              language: 'json',
+              theme: atomOneLightTheme,
+            ),
+          );
+        }
+        return BoxView(
+          title: Text('Data'),
+          child: HighlightView(
+            prettyJson(widget.data.data),
+            language: 'json',
+            theme: atomOneLightTheme,
+          ),
+        );
+        break;
+      default:
+        break;
+    }
     return BoxView(
       title: Text('Data'),
       child: HighlightView(
@@ -92,6 +134,12 @@ class _DioResponseViewState extends State<DioResponseView> {
           );
   }
 
+  @override
+  void initState() {
+    super.initState();
+    _dioParser = DioParser(widget.data);
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(