Add an analytics domain to the analysis server.

pkg/analysis_server/lib/src/domain_analytics.dart

+// Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
+// 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:core';
+
+import 'package:analysis_server/protocol/protocol.dart';
+import 'package:analysis_server/protocol/protocol_generated.dart';
+import 'package:analysis_server/src/analysis_server.dart';
+import 'package:analysis_server/src/constants.dart';
+
+/// Instances of the class [AnalyticsDomainHandler] implement a [RequestHandler]
+/// that handles requests in the `analytics` domain.
+class AnalyticsDomainHandler implements RequestHandler {
+  final AnalysisServer server;
+
+  AnalyticsDomainHandler(this.server);
+
+  @override
+  Response handleRequest(Request request) {
+    String requestName = request.method;
+    if (requestName == ANALYTICS_IS_ENABLED) {
+      return handleIsEnabled(request);
+    } else if (requestName == ANALYTICS_ENABLE) {
+      return handleEnable(request);
+    } else if (requestName == ANALYTICS_SEND_EVENT) {
+      return handleSendEvent(request);
+    } else if (requestName == ANALYTICS_SEND_TIMING) {
+      return handleSendTiming(request);
+    }
+
+    return null;
+  }
+
+  // TODO(devoncarew): This implementation is currently mocked out.
+  bool enabled = false;
+
+  Response handleIsEnabled(Request request) {
+    // TODO(devoncarew: Implement.

[Brian Wilkerson, 2017/06/02 20:38:57]

You're also missing some closing paren's, if you care.

[devoncarew, 2017/06/02 20:45:35]

Done.

+
+    return new AnalyticsIsEnabledResult(enabled).toResponse(request.id);
+  }
+
+  Response handleEnable(Request request) {
+    // TODO(devoncarew: Implement.
+    AnalyticsEnableParams params =
+        new AnalyticsEnableParams.fromRequest(request);
+
+    enabled = params.value;
+
+    return new AnalyticsEnableResult().toResponse(request.id);
+  }
+
+  Response handleSendEvent(Request request) {
+    // TODO(devoncarew: Implement.
+
+    return new AnalyticsSendEventResult().toResponse(request.id);
+  }
+
+  Response handleSendTiming(Request request) {
+    // TODO(devoncarew: Implement.
+
+    return new AnalyticsSendTimingResult().toResponse(request.id);
+  }
+}