projects / extjs.git / blame
| Commit | Line | Data |
|---|---|---|
| 6527f429 DM |
1 | Ext.define('FV.lib.FeedValidator', {\r |
| 2 | singleton: true,\r | |
| 3 | \r | |
| 4 | /**\r | |
| 5 | * @cfg {String} url The url to validate feeds on\r | |
| 6 | */\r | |
| 7 | url: 'feed-proxy.php',\r | |
| 8 | \r | |
| 9 | /**\r | |
| 10 | * Validates a given feed's formating by fetching it and ensuring it is well formed\r | |
| 11 | * @param {FV.model.Feed} feed The feed to validate\r | |
| 12 | */\r | |
| 13 | validate: function(feed, options) {\r | |
| 14 | options = options || {};\r | |
| 15 | \r | |
| 16 | Ext.applyIf(options, {\r | |
| 17 | scope: this,\r | |
| 18 | success: Ext.emptyFn,\r | |
| 19 | failure: Ext.emptyFn\r | |
| 20 | });\r | |
| 21 | \r | |
| 22 | Ext.Ajax.request({\r | |
| 23 | url: this.url,\r | |
| 24 | params: {\r | |
| 25 | feed: feed.get('url')\r | |
| 26 | },\r | |
| 27 | scope: this,\r | |
| 28 | success: function(response) {\r | |
| 29 | var title = this.checkResponse(response, feed);\r | |
| 30 | if (title) {\r | |
| 31 | feed.set('name', title);\r | |
| 32 | options.success.call(options.scope, feed);\r | |
| 33 | }\r | |
| 34 | else {\r | |
| 35 | options.failure.call(options.scope);\r | |
| 36 | }\r | |
| 37 | },\r | |
| 38 | failure: function() {\r | |
| 39 | options.failure.call(options.scope);\r | |
| 40 | }\r | |
| 41 | });\r | |
| 42 | },\r | |
| 43 | \r | |
| 44 | /**\r | |
| 45 | * @private\r | |
| 46 | * Validates that a response contains a well-formed feed\r | |
| 47 | * @param {Object} response The response object\r | |
| 48 | */\r | |
| 49 | checkResponse: function(response, feed) {\r | |
| 50 | var dq = Ext.DomQuery,\r | |
| 51 | url = feed.get('url'),\r | |
| 52 | xml, channel, title;\r | |
| 53 | \r | |
| 54 | try {\r | |
| 55 | xml = response.responseXML;\r | |
| 56 | channel = xml.getElementsByTagName('channel')[0];\r | |
| 57 | \r | |
| 58 | if (channel) {\r | |
| 59 | title = dq.selectValue('title', channel, url);\r | |
| 60 | return title;\r | |
| 61 | }\r | |
| 62 | } catch(e) {\r | |
| 63 | }\r | |
| 64 | return false;\r | |
| 65 | }\r | |
| 66 | }); |