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gaia/tests/jsmarionette/client/marionette-client/lib/marionette/message.js

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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+'use strict';
+
+function Command(body) {
+  this.id = null;
+  this.name = body.name;
+  this.params = body.parameters || {};
+}
+
+Command.prototype.toString = function() {
+  return 'Command ' + JSON.stringify({
+    id: this.id,
+    name: this.name,
+    params: this.params
+  });
+};
+
+Command.prototype.toMsg = function() {
+  if (!this.id) {
+    throw new RangeError('Command ID must be specified');
+  }
+  return [Command.TYPE, this.id, this.name, this.params];
+};
+
+Command.fromMsg = function(msg) {
+  return new Command(msg[1], msg[2], msg[3]);
+};
+
+Command.TYPE = 0;
+
+function Response(msgId, obj) {
+  this.id = msgId;
+  this.error = null;
+  this.result = null;
+
+  if (obj instanceof Error) {
+    this.error = obj;
+  } else {
+    this.result = obj;
+  }
+}
+
+Response.prototype.toString = function() {
+  return 'Response ' + JSON.stringify({
+    id: this.id,
+    error: this.error,
+    result: this.result
+  });
+};
+
+Response.prototype.toMsg = function() {
+  return [Response.TYPE, this.id, this.error, this.result];
+};
+
+Response.fromMsg = function(msg) {
+  return new Response(msg[1], msg[2] || msg[3]);
+};
+
+Response.TYPE = 1;
+
+module.exports = {
+  Command: Command,
+  Response: Response,
+};