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Friday, May 6, 2022

[FIXED] How to get all possible image URLs from RSS feed item?

 May 06, 2022     .net, c#, image, syndication-feed, url     No comments   

Issue

I try to use this example to get images urls from http://www.nydailynews.com/cmlink/NYDN.Article.rss

but no success

Could u help me to find all correct ways to gets all possible image URLs from RSS feed item by SyndicationItem class?

There is draft solution here but I guess should be more generic solution.

Thank you!

 List<RssFeedItem> rssItems = new List<RssFeedItem>();
                    Stream stream = e.Result;
                    XmlReader response = XmlReader.Create(stream);
                    SyndicationFeed feeds = SyndicationFeed.Load(response);
                    foreach (SyndicationItem f in feeds.Items)
                    {
                        RssFeedItem rssItem = new RssFeedItem();

                        rssItem.Description = f.Summary.Text;
foreach (SyndicationLink enclosure in f.Links.Where<SyndicationLink>(x => x.RelationshipType == "enclosure"))
                            {
                                Uri url = enclosure.Uri;
                                long length = enclosure.Length;
                                string mediaType = enclosure.MediaType;
                                rssItem.ImageLinks.Add(url.AbsolutePath);
                            }
}

Solution

I found the solution.

foreach (SyndicationElementExtension extension in f.ElementExtensions)
{
    XElement element = extension.GetObject<XElement>();

    if (element.HasAttributes)
    {
        foreach (var attribute in element.Attributes())
        {
            string value = attribute.Value.ToLower();
            if (value.StartsWith("http://") && (value.EndsWith(".jpg") || value.EndsWith(".png") || value.EndsWith(".gif") ))
            {
                   rssItem.ImageLinks.Add(value); // Add here the image link to some array
             }
        }                                
    }                            
}


Answered By - NoWar
Answer Checked By - Timothy Miller (PHPFixing Admin)
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