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December 26, 2011 10:42
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Loading Feed Entries With The Google Feeds API
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| <!doctype html> | |
| <html> | |
| <head> | |
| <title>Google Feeds API</title> | |
| <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script> | |
| </head> | |
| <body id="index"> | |
| <script type="text/javascript" src="https://www.google.com/jsapi?key=JS_API_KEY_HERE"></script> | |
| <script type="text/javascript" src="scripts.js"></script> | |
| </body> | |
| </html> |
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| /** | |
| * Google Feed Namespace | |
| * | |
| * Namespace contains methods relating to RSS and general feed data returned | |
| * from the google feeds API. | |
| */ | |
| var gFeed = function () { | |
| /** | |
| * Default Entry Count | |
| * | |
| * This int determines the default number of entries fetched from any given | |
| * feed. | |
| * | |
| * @type int | |
| */ | |
| var defaultEntryCount = 5; | |
| /** | |
| * Construct | |
| * | |
| * Acts as the constructor to a feed, creating a new feed object when passed | |
| * a url. If no entry count is set the default entry count will be used. | |
| * | |
| * @param string | |
| * @param int | |
| * @return object | |
| */ | |
| function construct( feedUrl, entryCount ) { | |
| var feed = new google.feeds.Feed( feedUrl ); | |
| if( entryCount ) { | |
| feed.setNumEntries( entryCount ); | |
| } else { | |
| feed.setNumEntries( defaultEntryCount ); | |
| } | |
| return feed; | |
| } | |
| /** | |
| * Load | |
| * | |
| * Loads a feed when given the feed object and passes the result, either and | |
| * error or the entries, to a callback. | |
| * | |
| * @param object | |
| * @param callback | |
| */ | |
| function load( feed, callback ) { | |
| feed.load( function( result ) { | |
| if( result.error ) { | |
| callback( result.error ); | |
| } else { | |
| callback( result.feed.entries ); | |
| } | |
| }); | |
| } | |
| return { | |
| /** | |
| * Read | |
| * | |
| * Read handle for the Google Feed Namespace. Returns feed entries via a | |
| * callback when given a feed's URL. | |
| * | |
| * @param string | |
| * @param int ( optional ) | |
| * @param callback | |
| */ | |
| read : function( feedUrl, entryCount, callback ) { | |
| load( construct( feedUrl, entryCount ), function( results ) { | |
| callback( results ); | |
| }); | |
| } | |
| }; | |
| }(); | |
| google.load( "feeds", "1" ); | |
| google.setOnLoadCallback( function() { | |
| gFeed.read( "http://dribbble.com/ralphsaunders/shots/following.rss", 20, function( results ) { | |
| for( i = 0; i < results.length; i++ ) { | |
| var item = results[i].content; | |
| $( 'body' ).append( item ); | |
| if( i == results.length - 1 ) { | |
| $( 'body' ).append( "<h1>End of Stream</h1>" ); | |
| } | |
| } | |
| }) | |
| }); |
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