215 lines
8.3 KiB
Go
215 lines
8.3 KiB
Go
package podcast_test
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import (
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"fmt"
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"net/http"
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"net/http/httptest"
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"os"
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"strconv"
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"github.com/arenzana/podcast"
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)
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func Example_httpHandlers() {
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// ResponseWriter example using Podcast.Encode(w io.Writer).
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//
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httpHandler := func(w http.ResponseWriter, r *http.Request) {
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// instantiate a new Podcast
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p := podcast.New(
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"arenzana Podcasts",
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"https://arenzana.org/",
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"An example Podcast",
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&pubDate, &updatedDate,
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)
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// add some channel properties
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p.AddAuthor("Jane Doe", "me@janedoe.com")
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p.AddAtomLink("http://arenzana.org/feed.rss")
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p.AddImage("http://janedoe.com/i.jpg")
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p.AddSummary(`link <a href="http://example.com">example.com</a>`)
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p.IExplicit = "no"
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for i := int64(1); i < 3; i++ {
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n := strconv.FormatInt(i, 10)
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d := pubDate.AddDate(0, 0, int(i))
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// create an Item
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item := podcast.Item{
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Title: "Episode " + n,
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Link: "http://example.com/" + n + ".mp3",
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Description: "Description for Episode " + n,
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PubDate: &d,
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}
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item.AddImage("http://example.com/episode-" + n + ".png")
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item.AddSummary(`item <a href="http://example.com">example.com</a>`)
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// add a Download to the Item
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item.AddEnclosure("http://e.com/"+n+".mp3", podcast.MP3, 55*(i+1))
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// add the Item and check for validation errors
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if _, err := p.AddItem(item); err != nil {
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fmt.Println(item.Title, ": error", err.Error())
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return
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}
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}
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// set the Content Type to that of XML
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w.Header().Set("Content-Type", "application/xml")
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// finally, Encode and write the Podcast to the ResponseWriter.
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//
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// a simple pattern is to handle any errors within this check.
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// alternatively if using middleware, you can just return
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// the Podcast entity as it also implements the io.Writer interface
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// that complies with several middleware packages.
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if err := p.Encode(w); err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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}
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rr := httptest.NewRecorder()
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httpHandler(rr, nil)
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os.Stdout.Write(rr.Body.Bytes())
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// Output:
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// <?xml version="1.0" encoding="UTF-8"?>
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// <rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd">
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// <channel>
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// <title>arenzana Podcasts</title>
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// <link>http://arenzana.org/</link>
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// <description>An example Podcast</description>
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// <generator>go podcast v1.3.1 (github.com/arenzana/podcast)</generator>
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// <language>en-us</language>
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// <lastBuildDate>Mon, 06 Feb 2017 08:21:52 +0000</lastBuildDate>
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// <managingEditor>me@janedoe.com (Jane Doe)</managingEditor>
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// <pubDate>Sat, 04 Feb 2017 08:21:52 +0000</pubDate>
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// <image>
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// <url>http://janedoe.com/i.jpg</url>
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// <title>arenzana Podcasts</title>
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// <link>http://arenzana.org/</link>
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// </image>
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// <atom:link href="http://arenzana.org/feed.rss" rel="self" type="application/rss+xml"></atom:link>
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// <itunes:author>me@janedoe.com (Jane Doe)</itunes:author>
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// <itunes:summary><![CDATA[link <a href="http://example.com">example.com</a>]]></itunes:summary>
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// <itunes:image href="http://janedoe.com/i.jpg"></itunes:image>
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// <itunes:explicit>no</itunes:explicit>
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// <item>
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// <guid>http://e.com/1.mp3</guid>
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// <title>Episode 1</title>
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// <link>http://example.com/1.mp3</link>
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// <description>Description for Episode 1</description>
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// <pubDate>Sun, 05 Feb 2017 08:21:52 +0000</pubDate>
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// <enclosure url="http://e.com/1.mp3" length="110" type="audio/mpeg"></enclosure>
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// <itunes:author>me@janedoe.com (Jane Doe)</itunes:author>
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// <itunes:summary><![CDATA[item <a href="http://example.com">example.com</a>]]></itunes:summary>
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// <itunes:image href="http://example.com/episode-1.png"></itunes:image>
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// </item>
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// <item>
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// <guid>http://e.com/2.mp3</guid>
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// <title>Episode 2</title>
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// <link>http://example.com/2.mp3</link>
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// <description>Description for Episode 2</description>
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// <pubDate>Mon, 06 Feb 2017 08:21:52 +0000</pubDate>
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// <enclosure url="http://e.com/2.mp3" length="165" type="audio/mpeg"></enclosure>
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// <itunes:author>me@janedoe.com (Jane Doe)</itunes:author>
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// <itunes:summary><![CDATA[item <a href="http://example.com">example.com</a>]]></itunes:summary>
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// <itunes:image href="http://example.com/episode-2.png"></itunes:image>
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// </item>
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// </channel>
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// </rss>
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}
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func Example_ioWriter() {
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// instantiate a new Podcast
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p := podcast.New(
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"Sample Podcasts",
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"http://example.com/",
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"An example Podcast",
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&createdDate, &updatedDate,
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)
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// add some channel properties
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p.ISubtitle = "A simple Podcast"
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p.AddSummary(`link <a href="http://example.com">example.com</a>`)
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p.AddImage("http://example.com/podcast.jpg")
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p.AddAuthor("Jane Doe", "jane.doe@example.com")
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p.AddAtomLink("http://example.com/atom.rss")
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for i := int64(9); i < 11; i++ {
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n := strconv.FormatInt(i, 10)
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d := pubDate.AddDate(0, 0, int(i))
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// create an Item
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item := podcast.Item{
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Title: "Episode " + n,
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Description: "Description for Episode " + n,
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ISubtitle: "A simple episode " + n,
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PubDate: &d,
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}
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item.AddImage("http://example.com/episode-" + n + ".png")
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item.AddSummary(`item k <a href="http://example.com">example.com</a>`)
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// add a Download to the Item
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item.AddEnclosure("http://example.com/"+n+".mp3", podcast.MP3, 55*(i+1))
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// add the Item and check for validation errors
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if _, err := p.AddItem(item); err != nil {
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os.Stderr.WriteString("item validation error: " + err.Error())
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}
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}
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// Podcast.Encode writes to an io.Writer
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if err := p.Encode(os.Stdout); err != nil {
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fmt.Println("error writing to stdout:", err.Error())
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}
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// Output:
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// <?xml version="1.0" encoding="UTF-8"?>
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// <rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd">
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// <channel>
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// <title>Sample Podcasts</title>
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// <link>http://example.com/</link>
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// <description>An example Podcast</description>
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// <generator>go podcast v1.3.1 (github.com/arenzana/podcast)</generator>
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// <language>en-us</language>
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// <lastBuildDate>Mon, 06 Feb 2017 08:21:52 +0000</lastBuildDate>
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// <managingEditor>jane.doe@example.com (Jane Doe)</managingEditor>
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// <pubDate>Wed, 01 Feb 2017 08:21:52 +0000</pubDate>
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// <image>
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// <url>http://example.com/podcast.jpg</url>
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// <title>Sample Podcasts</title>
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// <link>http://example.com/</link>
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// </image>
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// <atom:link href="http://example.com/atom.rss" rel="self" type="application/rss+xml"></atom:link>
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// <itunes:author>jane.doe@example.com (Jane Doe)</itunes:author>
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// <itunes:subtitle>A simple Podcast</itunes:subtitle>
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// <itunes:summary><![CDATA[link <a href="http://example.com">example.com</a>]]></itunes:summary>
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// <itunes:image href="http://example.com/podcast.jpg"></itunes:image>
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// <item>
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// <guid>http://example.com/9.mp3</guid>
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// <title>Episode 9</title>
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// <link>http://example.com/9.mp3</link>
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// <description>Description for Episode 9</description>
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// <pubDate>Mon, 13 Feb 2017 08:21:52 +0000</pubDate>
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// <enclosure url="http://example.com/9.mp3" length="550" type="audio/mpeg"></enclosure>
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// <itunes:author>jane.doe@example.com (Jane Doe)</itunes:author>
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// <itunes:subtitle>A simple episode 9</itunes:subtitle>
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// <itunes:summary><![CDATA[item k <a href="http://example.com">example.com</a>]]></itunes:summary>
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// <itunes:image href="http://example.com/episode-9.png"></itunes:image>
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// </item>
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// <item>
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// <guid>http://example.com/10.mp3</guid>
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// <title>Episode 10</title>
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// <link>http://example.com/10.mp3</link>
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// <description>Description for Episode 10</description>
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// <pubDate>Tue, 14 Feb 2017 08:21:52 +0000</pubDate>
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// <enclosure url="http://example.com/10.mp3" length="605" type="audio/mpeg"></enclosure>
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// <itunes:author>jane.doe@example.com (Jane Doe)</itunes:author>
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// <itunes:subtitle>A simple episode 10</itunes:subtitle>
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// <itunes:summary><![CDATA[item k <a href="http://example.com">example.com</a>]]></itunes:summary>
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// <itunes:image href="http://example.com/episode-10.png"></itunes:image>
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// </item>
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// </channel>
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// </rss>
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}
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