update android xml source to have class names as node names rather than just 'node'

lib/devices/android/android-controller.js

@@ -15,6 +15,7 @@ var errors = require('../../server/errors.js')
   , async = require('async')
   , mkdirp = require('mkdirp')
   , path = require('path')
+  , XMLDom = require("xmldom")
   , helpers = require('../../helpers.js')
   , warnDeprecated = helpers.logDeprecationWarning;
 
@@ -286,6 +287,48 @@ androidController.getCssProperty = function (elementId, propertyName, cb) {
   cb(new NotYetImplementedError(), null);
 };
 
+var _updateSourceXMLNodeNames = function (source) {
+  var newSource;
+  var origDom = new XMLDom.DOMParser().parseFromString(source);
+  var newDom = new XMLDom.DOMImplementation().createDocument(null);
+  _buildClassNodeFromPlainNode(newDom, newDom, origDom);
+  newSource = new XMLDom.XMLSerializer().serializeToString(newDom);
+  return newSource;
+};
+
+var _getNodeClass = function (node) {
+  var nodeClass = null;
+  _.each(node.attributes, function (attr) {
+    if (attr.name === "class") {
+      nodeClass = attr.value;
+    }
+  });
+  return nodeClass;
+};
+
+var _copyNodeAttributes = function (oldNode, newNode) {
+  _.each(oldNode.attributes, function (attr) {
+    newNode.setAttribute(attr.name, attr.value);
+  });
+};
+
+var _buildClassNodeFromPlainNode = function (newDom, newParent, oldNode) {
+  var newNode;
+  var nodeClass = _getNodeClass(oldNode);
+  if (nodeClass) {
+    newNode = newDom.createElement(nodeClass);
+    _copyNodeAttributes(oldNode, newNode);
+  } else {
+    newNode = oldNode.cloneNode(false);
+  }
+  newParent.appendChild(newNode);
+  if (oldNode.hasChildNodes()) {
+    _.each(oldNode.childNodes, function (childNode) {
+      _buildClassNodeFromPlainNode(newDom, newNode, childNode);
+    });
+  }
+};
+
 androidController.getPageSource = function (cb) {
   var xmlFile = temp.path({suffix: '.xml'});
   var jsonFile = xmlFile + '.json';
@@ -367,6 +410,11 @@ androidController.getPageSourceXML = function (cb) {
     function () {
       var xml = fs.readFileSync(xmlFile, 'utf8');
       fs.unlinkSync(xmlFile);
+      try {
+        xml = _updateSourceXMLNodeNames(xml);
+      } catch (e) {
+        return cb(e);
+      }
       cb(null, {
         status: status.codes.Success.code
       , value: xml

test/functional/android/apidemos/source-specs.js

@@ -29,7 +29,7 @@ describe("apidemos - source -", function () {
       .execute("mobile: source", [{type: 'xml'}]).then(function (source) {
         source.should.exist;
         var dom = new XMLDom().parseFromString(source);
-        var nodes = xpath.select('//node[@content-desc="App"]', dom);
+        var nodes = xpath.select('//android.widget.TextView[@content-desc="App"]', dom);
         nodes.length.should.equal(1);
       }).nodeify(done);
   });