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