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@thinkAmi thinkAmi/example.js
Last active Jul 27, 2016

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GoogleAppsScriptでRSS2.0フィードを出力する例 (使う時は、.jsを.gsにする)
function doGet() {
var rss = makeRss();
rss.setTitle('RSS 2.0 test');
rss.setLink('http://example.com');
rss.setDescription('RSS 2.0のテスト');
rss.setLanguage('ja');
rss.setAtomlink('http://example.com/rss');
for (var i = 1; i < 3; i++){
rss.addItem({title: 'ページ:' + i,
link: 'http://example.com/' + i,
description: i + 'つ目のページ',
pubDate: new Date()
})
}
return ContentService.createTextOutput(rss.toString())
.setMimeType(ContentService.MimeType.RSS);
}
var makeRss = function(){
var channel = XmlService.createElement('channel');
var root = XmlService.createElement('rss')
.setAttribute('version', '2.0')
.setAttribute('xmlnsatom', "http://www.w3.org/2005/Atom")
.addContent(channel);
var title = '';
var link = '';
var description = '';
var language = '';
var atomlink = '';
var items = {};
var createElement = function(element, text){
return XmlService.createElement(element).setText(text);
};
return {
setTitle: function(value){ title = value; },
setLink: function(value){ link = value; },
setDescription: function(value){ description = value; },
setLanguage: function(value){ language = value; },
setAtomlink: function(value){ atomlink = value; },
addItem: function(args){
if (typeof args.title === 'undefined') { args.title = ''; }
if (typeof args.link === 'undefined') { args.link = ''; }
if (typeof args.description === 'undefined') { args.description = ''; }
if (!(args.pubDate instanceof Date)) { throw 'pubDateは日付型'; }
if (typeof args.timezone === 'undefined') { args.timezone = "JST"; }
if (typeof args.guid === 'undefined' && typeof args.link === 'undefined') { throw 'GUIDが設定できません'; }
var item = {
title: args.title,
link: args.link,
description: args.description,
pubDate: Utilities.formatDate(args.pubDate, args.timezone, "EEE, dd MMM yyyy HH:mm:ss Z"),
guid: args.guid === 'undefined' ? args.link : args.link
}
items[item.guid] = item;
},
toString: function(){
// createElementではコロンの指定ができないため、あとでreplaceする。
// 誤って他のデータをreplaceしないよう、先頭に変換対象のatomlinkを持ってきておく
channel.addContent(XmlService.createElement("atomlink")
.setAttribute('href', atomlink)
.setAttribute('rel', 'self')
.setAttribute('type', 'application/rss+xml')
);
channel.addContent(createElement('title', title));
channel.addContent(createElement('link', link));
channel.addContent(createElement('description', description));
channel.addContent(createElement('language', language));
for (var i in items)
{
channel.addContent(
XmlService
.createElement('item')
.addContent(createElement('title', items[i].title))
.addContent(createElement('link', items[i].link))
.addContent(createElement('description', items[i].description))
.addContent(createElement('pubDate', items[i].pubDate))
.addContent(createElement('guid', items[i].guid))
);
}
var document = XmlService.createDocument(root);
var xml = XmlService.getPrettyFormat().format(document)
// コロンが必要なタグの変換作業は、xml化できたところで行う
var result = xml.replace('xmlnsatom', 'xmlns:atom')
.replace('<atomlink href=','<atom:link href=');
return result;
}
};
};
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