add: module storages

autojs/src/main/assets/modules/__json2__.js

@@ -230,7 +230,7 @@ JSON = {};
         var partial;
         var value = holder[key];
 
-        if(value.getClass){
+        if(value && value.getClass){
             return gson.toJson(value);
         }
 

autojs/src/main/assets/modules/__storages__.js

@@ -0,0 +1,40 @@
+
+module.exports = function(__runtime__, scope){
+    var storages = {};
+    storages.create = function(name){
+        return new LocalStorage(name);
+    }
+
+    storages.remove = function(name){
+        this.create(name).clear();
+    }
+
+    return storages;
+
+    function LocalStorage(name){
+        this._storage = new com.stardust.autojs.core.storage.LocalStorage(context, name);
+        this.put = function(key, value){
+            if(typeof(value) == 'undefined'){
+                throw new TypeError('value cannot be undefined');
+            }
+            this._storage.put(key, JSON.stringify(value));
+        }
+        this.get = function(key, defaultValue){
+            var value = this._storage.getString(key, null);
+            if(!value){
+                return defaultValue;
+            }
+            return JSON.parse(value);
+        }
+        this.remove = function(key){
+            this._storage.remove(key);
+        }
+        this.contains = function(key){
+            return this._storage.contains(key);
+        }
+        this.clear = function(key){
+            this._storage.clear();
+        }
+    }
+}
+