Abstract all file-system operations

Stage 1 of  #62

red/storage/index.js

@@ -0,0 +1,33 @@
+/**
+ * Copyright 2013 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+ 
+ 
+var settings;
+var storage;
+
+module.exports = {
+    init: function(_settings) {
+        settings = _settings;
+        
+        var storageType = settings.storageModule || "localfilesystem";
+        
+        storage = require("./"+storageType).init(settings);
+        return storage;
+    },
+};
+
+module.exports.__defineGetter__("storage", function() { return storage; });
+