Enterprise Java

Creating DataTable From RSS Feed And YQL


  • Yahoo Query Language(YQL ) is a query language like SQL.
  • Using YQL we can query, filter, and join data across Web services.
  • YQL can also read RSS feed too.
  • The Response can be JSON or XML.
  • Yahoo provides a YQL console for debugging , testing and diagnostics the YQL statements.
  • The Link for YQL CONSOLE is http://developer.yahoo.com/yql/console/
  • This Demo shows:
    • Reading my blog RSS Feed ( http://www.tutorialsavvy.com/feeds/posts/default) using YQL.
    • Getting the feed in JSON format.
    • Displaying the Data in YUI3 Data table.
  • The Project structure
  • This Demo uses the following yui3 modules ‘node‘, ‘yql‘, ‘datatable‘, ‘datatable-scroll‘, ‘datatype-date‘.
  • The YQL statement used is : select title, pubDate, link from rss where url=’http://www.tutorialsavvy.com/feeds/posts/default?alt=rss&format=json&diagnostics=true’
  • The YQL Console output is :
  • The HTML markup for the YQL demo script yql-demo.html
  • <!DOCTYPE html>
            <title>YQL Query Reading RSS Feed Demo</title>
            <script src='http://yui.yahooapis.com/3.8.1/build/yui/yui-min.js'></script>
                .response-status {
                    font-weight: bold;
                    list-style: none;
                .response-text {
                    color : orange;
                #yui-blogger-rss-feed-table {
                .yui3-skin-sam #yui-blogger-rss-feed-table .yui3-datatable-cell {
                .blogger-post-title {
                    color: Green;
                    font-style: italic;
                    font-weight: bold;
                .blogger-post-link {
                    text-decoration: none;
                    font-style: italic;
                .blogger-post-link:hover {
                    text-decoration: underline;
        <body class='yui3-skin-sam'>
            <!-- This DIV Element is for displaying posts from the YQL QUERY RESPONSE(JSON)
            details in YUI3 DATATABLE -->
            <div id='yui-blogger-rss-feed-table'></div>
            <!-- This UL Element is for displaying post count, created date,
            language -->
            <ul class='response-status'></ul>
                YUI().use('node', 'yql', 'datatable', 'datatable-scroll', 'datatype-date', function (Y) {
                    var resultItems,
                    results, postTable,
                    /*This YQL query is for my Blogger's RSS feed.*/
                    yqlRssUrl = 'select title, pubDate, link from rss where ' +
                        responseStatus = Y.one('.response-status'),
                        rssYqlFeedTable = Y.one('#yui-blogger-rss-feed-table'),
                        /*HTML template for LINK of the post*/
                        formatLink = '<td class='yui3-datatable-cell'><a  class='blogger-post-link' href='{content}'>{content}</a></td>',
                        /*HTML template for TITLE of the post*/
                        formatTitle = '<td class='yui3-datatable-cell blogger-post-title'>{content}</td>',
                        /*Formatter function for formatting a date, pubDate*/
                        formatPubDate = function (o) {
                            return Y.DataType.Date.format(Y.DataType.Date.parse(o.value), {
                                format: '%Y-%m-%d'
                        /* This will return 25 results As Blogger return 25 posts by DEFAULT.
                         * This can be changed to some other number using
                         * LIMIT parameter.
                        Y.YQL(yqlRssUrl, function (feed) {
                            results = feed.query;
                            resultItems = feed.query.results.item;
                            responseStatus.appendChild('<li> Count of Posts (in response) : <span class='response-text'>' + results.count + '</span></li>');
                            responseStatus.appendChild('<li>Created Date : <span class='response-text'>' + results.created + '</span></li>');
                            responseStatus.appendChild('<li>Post Language : <span class='response-text'>' + results.lang + '</span></li>');
                            postTable = new Y.DataTable({
                                columns: [{
                                    key: 'title',
                                    label: 'POST TITLE',
                                    cellTemplate: formatTitle
                                    key: 'pubDate',
                                    label: 'PUBLICATION DATE',
                                    formatter: formatPubDate
                                    key: 'link',
                                    label: 'POST LINK',
                                    cellTemplate: formatLink
                                data: resultItems,
                                scrollable: 'y',
                                height: '250px',
                                caption: '[ YQL READING RSS FEED FROM TUTORIAL SAVVY(http://www.tutorialsavvy.com/feeds/posts/default)' + 'AND DISPLAYING IN DATATABLE]'
  • Fire Bug Inspection
  • The JS Fiddle Link for this demo is:
  • http://jsfiddle.net/techblogger/sr67C/2/embedded/result/

  • JS Fiddle Output:

Output (screenshot):

Demo Code Download:

Download Link for Code


Reference: Creating DataTable From RSS Feed And YQL from our JCG partner Sandeep Kumar Patel at the My Small Tutorials blog.

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