gerrit.onap Code Review - ccsdk/features.git/blob

   1 /**
   2  * Copyright 2010-2013 Ben Birch
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this software except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *   http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 (function( app ) {
  17
  18         var ux = app.ns("ux");
  19         var services = app.ns("services");
  20
  21         services.Preferences = ux.Singleton.extend({
  22                 init: function() {
  23                         this._storage = window.localStorage;
  24                         this._setItem("__version", 1 );
  25                 },
  26                 get: function( key ) {
  27                         return this._getItem( key );
  28                 },
  29                 set: function( key, val ) {
  30                         return this._setItem( key, val );
  31                 },
  32                 _getItem: function( key ) {
  33                         try {
  34                                 return JSON.parse( this._storage.getItem( key ) );
  35                         } catch(e) {
  36                                 console.warn( e );
  37                                 return undefined;
  38                         }
  39                 },
  40                 _setItem: function( key, val ) {
  41                         try {
  42                                 return this._storage.setItem( key, JSON.stringify( val ) );
  43                         } catch(e) {
  44                                 console.warn( e );
  45                                 return undefined;
  46                         }
  47                 }
  48         });
  49
  50 })( this.app );