Client support for multiple required libraries

features/src/main/javascript/features/opensocial-templates/container.js

Index: features/src/main/javascript/features/opensocial-templates/container.js
===================================================================
--- features/src/main/javascript/features/opensocial-templates/container.js	(revision 790594)
+++ features/src/main/javascript/features/opensocial-templates/container.js	(working copy)
@@ -202,7 +202,7 @@
  */
 os.Container.getDefaultContext = function() {
   if ((window['gadgets'] && gadgets.util.hasFeature('opensocial-data')) ||
-      (opensocial.data.getDataContext)) {
+      (opensocial.data && opensocial.data.getDataContext)) {
     return os.createContext(opensocial.data.getDataContext().getData());
   }
   return os.createContext({});
@@ -376,7 +376,13 @@
   // Honor the "requireLibrary" feature param.
   // TODO: Support multiple params when Shindig does.
   if (params.requireLibrary) {
-    os.Container.addRequiredLibrary(params.requireLibrary);
+    if (typeof params.requireLibrary == "string") {
+      os.Container.addRequiredLibrary(params.requireLibrary);
+    } else {
+      for (var i = 0; i < params.requireLibrary.length; i++) {
+        os.Container.addRequiredLibrary(params.requireLibrary[i]);
+      }
+    }
   }  
 };