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//>>built
define("dojox/data/GoogleFeedStore", ["dojo/_base/kernel", "dojo/_base/lang", "dojo/_base/declare", "dojox/data/GoogleSearchStore"],
function(dojo, lang, declare, GoogleSearchStore) {
dojo.experimental("dojox.data.GoogleFeedStore");
/*===== var Search = dojox.data.GoogleSearchStore =====*/
var Search = GoogleSearchStore.Search;
return declare("dojox.data.GoogleFeedStore", Search,{
// summary:
// A data store for retrieving RSS and Atom feeds from Google. The
// feeds can come from any source, which is specified in the "url"
// parameter of the query passed to the "fetch" function.
// The following attributes are supported on each item:
// <ul>
// <li>title - The feed entry title.</li>
// <li>link - The URL for the HTML version of the feed entry.</li>
// <li>content - The full content of the blog post, in HTML format</li>
// <li>summary - A snippet of information about the feed entry, in plain text</li>
// <li>published - The string date on which the entry was published.
// You can parse the date with new Date(store.getValue(item, "published")</li>
// <li>categories - An array of string tags for the entry</li>
// </ul>
// The query accepts one parameter: url - The URL of the feed to retrieve
_type: "",
_googleUrl: "http://ajax.googleapis.com/ajax/services/feed/load",
_attributes: ["title", "link", "author", "published",
"content", "summary", "categories"],
_queryAttrs: {
"url":"q"
},
getFeedValue: function(attribute, defaultValue){
// summary:
// Non-API method for retrieving values regarding the Atom feed,
// rather than the Atom entries.
var values = this.getFeedValues(attribute, defaultValue);
if(lang.isArray(values)){
return values[0];
}
return values;
},
getFeedValues: function(attribute, defaultValue){
// summary:
// Non-API method for retrieving values regarding the Atom feed,
// rather than the Atom entries.
if(!this._feedMetaData){
return defaultValue;
}
return this._feedMetaData[attribute] || defaultValue;
},
_processItem: function(item, request) {
this.inherited(arguments);
item["summary"] = item["contentSnippet"];
item["published"] = item["publishedDate"];
},
_getItems: function(data){
if(data['feed']){
this._feedMetaData = {
title: data.feed.title,
desc: data.feed.description,
url: data.feed.link,
author: data.feed.author
};
return data.feed.entries;
}
return null;
},
_createContent: function(query, callback, request){
var cb = this.inherited(arguments);
cb.num = (request.count || 10) + (request.start || 0);
return cb;
}
});
});
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