structure gardening tool

tools/gardening/lib/src/util.dart

Index: tools/gardening/lib/src/util.dart
diff --git a/tools/gardening/lib/src/util.dart b/tools/gardening/lib/src/util.dart
index b27614e8a96e9b9b2e4cf526deebb32e02b2f35d..278d4e3c29db43e3ba67ceb562614b2e77a1c319 100644
--- a/tools/gardening/lib/src/util.dart
+++ b/tools/gardening/lib/src/util.dart
@@ -2,6 +2,10 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+import 'dart:async';
+import 'dart:convert';
+import 'dart:io';
+
 /// Split [text] using [infixes] as infix markers.
 List<String> split(String text, List<String> infixes) {
   List<String> result = <String>[];
@@ -28,3 +32,10 @@ const bool LOG = const bool.fromEnvironment('LOG', defaultValue: false);
 void log(String text) {
   if (LOG) print(text);
 }
+
+/// Reads the content of [uri] as text.
+Future<String> readUriAsText(HttpClient client, Uri uri) async {
+  HttpClientRequest request = await client.getUrl(uri);
+  HttpClientResponse response = await request.close();
+  return await response.transform(UTF8.decoder).join();
+}