public static async Task <string> ToRSS(this IList <Page> pages)
{
using (var stringWriter = new StringWriter())
{
using (var xmlWriter = XmlWriter.Create(stringWriter,
new XmlWriterSettings
{
Async = true,
Indent = true,
Encoding = Encoding.UTF8,
WriteEndDocumentOnClose = true
}))
{
var rssWriter = new RssFeedWriter(xmlWriter);
var tasks = new List <Task>
{
rssWriter.WriteTitle(Settings.Title),
rssWriter.WriteDescription(Settings.Description),
rssWriter.Write(new SyndicationLink(new Uri(Settings.Domain)))
};
tasks.AddRange(pages.Select(p => rssWriter.Write(p.ToSyndicationItem())));
Task.WaitAll(tasks.ToArray());
await rssWriter.Flush();
}
return(stringWriter.ToString());
}
}
public async Task WriteCategory()
{
var sw = new StringWriterWithEncoding(Encoding.UTF8);
var cat1 = new SyndicationCategory("Test Category 1")
{
Scheme = "http://example.com/test"
};
var cat2 = new SyndicationCategory("Test Category 2");
using (var xmlWriter = XmlWriter.Create(sw))
{
var writer = new RssFeedWriter(xmlWriter);
await writer.Write(cat1);
await writer.Write(cat2);
await writer.Flush();
}
string res = sw.ToString();
Assert.True(res == $"<?xml version=\"1.0\" encoding=\"utf-8\"?><rss version=\"2.0\"><channel><category domain=\"{cat1.Scheme}\">{cat1.Name}</category><category>{cat2.Name}</category></channel></rss>");
}
public async Task WriteContent()
{
ISyndicationContent content = null;
//
// Read
using (var xmlReader = XmlReader.Create(@"..\..\..\TestFeeds\CustomXml.xml"))
{
RssFeedReader reader = new RssFeedReader(xmlReader);
content = await reader.ReadContent();
}
//
// Write
StringBuilder sb = new StringBuilder();
using (var xmlWriter = XmlWriter.Create(sb))
{
var writer = new RssFeedWriter(xmlWriter);
await writer.Write(content);
await writer.Flush();
}
string res = sb.ToString();
Assert.True(res == "<?xml version=\"1.0\" encoding=\"utf-16\"?><rss version=\"2.0\"><channel><NewItem><enclosure url=\"http://www.scripting.com/mp3s/weatherReportSuite.mp3\" length=\"12216320\" type=\"audio/mpeg\" /><title>Lorem ipsum 2017-07-06T20:25:00+00:00</title><description>Exercitation sit dolore mollit et est eiusmod veniam aute officia veniam ipsum.</description><link>http://example.com/test/1499372700</link><guid isPermaLink=\"true\">http://example.com/test/1499372700</guid><pubDate>Thu, 06 Jul 2017 20:25:00 GMT</pubDate></NewItem></channel></rss>");
}
public async Task ProcessRequest(IDotvvmRequestContext context)
{
var items = await this.GetSyndicationItemsAsync(15);
using (var sw = new StreamWriter(this.context.HttpContext.Response.Body, Encoding.UTF8, 1024, true))
{
var settings = new XmlWriterSettings
{
Async = true,
Indent = true,
Encoding = Encoding.UTF8,
OmitXmlDeclaration = true
};
using (var xmlWriter = XmlWriter.Create(sw, settings))
{
var writer = new RssFeedWriter(xmlWriter);
await writer.WriteTitle("ASKme");
await writer.WriteDescription("Zeptej se mě na co chceš, já na co chci odpovím");
await writer.Write(new SyndicationLink(this.GetAbsoluteUri()));
await writer.WritePubDate(DateTimeOffset.UtcNow);
foreach (var item in items)
{
await writer.Write(item);
}
await writer.Flush();
xmlWriter.Flush();
}
}
}
public async Task CompareContents()
{
string filePath = @"..\..\..\TestFeeds\internetRssFeed.xml";
string res = null;
using (var xmlReader = XmlReader.Create(filePath, new XmlReaderSettings()
{
Async = true
}))
{
var reader = new RssFeedReader(xmlReader);
var sw = new StringWriterWithEncoding(Encoding.UTF8);
using (var xmlWriter = XmlWriter.Create(sw))
{
var writer = new RssFeedWriter(xmlWriter);
while (await reader.Read())
{
switch (reader.ElementType)
{
case SyndicationElementType.Item:
await writer.Write(await reader.ReadItem());
break;
case SyndicationElementType.Person:
await writer.Write(await reader.ReadPerson());
break;
case SyndicationElementType.Image:
await writer.Write(await reader.ReadImage());
break;
default:
await writer.Write(await reader.ReadContent());
break;
}
}
await writer.Flush();
}
res = sw.ToString();
}
await CompareFeeds(new RssFeedReader(XmlReader.Create(filePath)),
new RssFeedReader(XmlReader.Create(new StringReader(res))));
}
public async Task Echo()
{
string res = null;
using (var xmlReader = XmlReader.Create(@"..\..\..\TestFeeds\rss20-2items.xml", new XmlReaderSettings()
{
Async = true
}))
{
var reader = new RssFeedReader(xmlReader);
var sw = new StringWriterWithEncoding(Encoding.UTF8);
using (var xmlWriter = XmlWriter.Create(sw))
{
var writer = new RssFeedWriter(xmlWriter);
while (await reader.Read())
{
switch (reader.ElementType)
{
case SyndicationElementType.Item:
await writer.Write(await reader.ReadItem());
break;
case SyndicationElementType.Person:
await writer.Write(await reader.ReadPerson());
break;
case SyndicationElementType.Image:
await writer.Write(await reader.ReadImage());
break;
default:
await writer.Write(await reader.ReadContent());
break;
}
}
await writer.Flush();
}
res = sw.ToString();
Assert.True(res == "<?xml version=\"1.0\" encoding=\"utf-8\"?><rss version=\"2.0\"><channel><title asd=\"123\">Lorem ipsum feed for an interval of 1 minutes</title><description>This is a constantly updating lorem ipsum feed</description><link length=\"123\" type=\"testType\">http://example.com/</link><image><url>http://2.bp.blogspot.com/-NA5Jb-64eUg/URx8CSdcj_I/AAAAAAAAAUo/eCx0irI0rq0/s1600/bg_Microsoft_logo3-20120824073001907469-620x349.jpg</url><title>Microsoft News</title><link>http://www.microsoft.com/news</link><description>Test description</description></image><generator>RSS for Node</generator><lastBuildDate>Thu, 06 Jul 2017 20:25:17 GMT</lastBuildDate><managingEditor>John Smith</managingEditor><pubDate>Thu, 06 Jul 2017 20:25:00 GMT</pubDate><copyright>Michael Bertolacci, licensed under a Creative Commons Attribution 3.0 Unported License.</copyright><ttl>60</ttl><item><title>Lorem ipsum 2017-07-06T20:25:00+00:00</title><enclosure url=\"http://www.scripting.com/mp3s/weatherReportSuite.mp3\" length=\"12216320\" type=\"audio/mpeg\" /><link>http://example.com/test/1499372700</link><guid>http://example.com/test/1499372700</guid><description>Exercitation sit dolore mollit et est eiusmod veniam aute officia veniam ipsum.</description><author>John Smith</author><pubDate>Thu, 06 Jul 2017 20:25:00 GMT</pubDate></item><item><title>Lorem ipsum 2017-07-06T20:24:00+00:00</title><link>http://example.com/test/1499372640</link><guid>http://example.com/test/1499372640</guid><enclosure url=\"http://www.scripting.com/mp3s/weatherReportSuite.mp3\" length=\"12216320\" type=\"audio/mpeg\" /><description>Do ipsum dolore veniam minim est cillum aliqua ea.</description><author>John Smith</author><pubDate>Thu, 06 Jul 2017 20:24:00 GMT</pubDate></item></channel></rss>");
}
await RssReader.TestReadFeedElements(XmlReader.Create(new StringReader(res)));
}
public async Task WriteItem()
{
var url = new Uri("https://contoso.com/");
//
// Construct item
var item = new SyndicationItem()
{
Id = "https://contoso.com/28af09b3-86c7-4dd6-b56f-58aaa17cff62",
Title = "First item on ItemWriter",
Description = "Brief description of an item",
Published = DateTimeOffset.UtcNow
};
item.AddLink(new SyndicationLink(url));
item.AddLink(new SyndicationLink(url, RssLinkTypes.Enclosure)
{
Title = "https://contoso.com/",
Length = 4123,
MediaType = "audio/mpeg"
});
item.AddLink(new SyndicationLink(url, RssLinkTypes.Comments));
item.AddLink(new SyndicationLink(url, RssLinkTypes.Source)
{
Title = "Anonymous Blog"
});
item.AddLink(new SyndicationLink(new Uri(item.Id), RssLinkTypes.Guid));
item.AddContributor(new SyndicationPerson("John Doe", "*****@*****.**"));
item.AddCategory(new SyndicationCategory("Test Category"));
//
// Write
var sw = new StringWriterWithEncoding(Encoding.UTF8);
using (var xmlWriter = XmlWriter.Create(sw))
{
var writer = new RssFeedWriter(xmlWriter);
await writer.Write(item);
await writer.Flush();
}
string res = sw.ToString();
Assert.True(res == $"<?xml version=\"1.0\" encoding=\"utf-8\"?><rss version=\"2.0\"><channel><item><title>First item on ItemWriter</title><link>{url}</link><enclosure url=\"{url}\" length=\"4123\" type=\"audio/mpeg\" /><comments>{url}</comments><source url=\"{url}\">Anonymous Blog</source><guid>{item.Id}</guid><description>Brief description of an item</description><author>[email protected] (John Doe)</author><category>Test Category</category><pubDate>{item.Published.ToRfc1123()}</pubDate></item></channel></rss>", res);
}
public async Task WriteValue()
{
var sb = new StringBuilder();
using (var xmlWriter = XmlWriter.Create(sb))
{
var writer = new RssFeedWriter(xmlWriter);
await writer.WriteValue("CustomTag", "Custom Content");
await writer.Flush();
}
var res = sb.ToString();
Assert.True(res == "<?xml version=\"1.0\" encoding=\"utf-16\"?><rss version=\"2.0\"><channel><CustomTag>Custom Content</CustomTag></channel></rss>");
}
public async Task WriteLink_onlyUrl()
{
var sw = new StringWriterWithEncoding(Encoding.UTF8);
using (var xmlWriter = XmlWriter.Create(sw))
{
var writer = new RssFeedWriter(xmlWriter);
await writer.Write(new SyndicationLink(new Uri("http://testuriforlink.com")));
await writer.Flush();
}
string res = sw.ToString();
Assert.True(res == "<?xml version=\"1.0\" encoding=\"utf-8\"?><rss version=\"2.0\"><channel><link>http://testuriforlink.com/</link></channel></rss>");
}
public async Task WriteCategory()
{
var sw = new StringWriterWithEncoding(Encoding.UTF8);
using (var xmlWriter = XmlWriter.Create(sw))
{
var writer = new RssFeedWriter(xmlWriter);
await writer.Write(new SyndicationCategory("Test Category"));
await writer.Flush();
}
string res = sw.ToString();
Assert.True(res == "<?xml version=\"1.0\" encoding=\"utf-8\"?><rss version=\"2.0\"><channel><category>Test Category</category></channel></rss>");
}
public async Task WriteSkipHours()
{
var sw = new StringWriterWithEncoding(Encoding.UTF8);
using (XmlWriter xmlWriter = XmlWriter.Create(sw))
{
var writer = new RssFeedWriter(xmlWriter);
await writer.WriteSkipHours(new byte[] { 0, 4, 1, 11, 23, 20 });
await writer.Flush();
}
string res = sw.ToString();
Assert.True(res == "<?xml version=\"1.0\" encoding=\"utf-8\"?><rss version=\"2.0\"><channel><skipHours><hour>0</hour><hour>4</hour><hour>1</hour><hour>11</hour><hour>23</hour><hour>20</hour></skipHours></channel></rss>");
}
public async Task WriteSkipDays()
{
var sw = new StringWriterWithEncoding(Encoding.UTF8);
using (XmlWriter xmlWriter = XmlWriter.Create(sw))
{
var writer = new RssFeedWriter(xmlWriter);
await writer.WriteSkipDays(new DayOfWeek[] { DayOfWeek.Friday, DayOfWeek.Monday });
await writer.Flush();
}
string res = sw.ToString();
Assert.True(res == "<?xml version=\"1.0\" encoding=\"utf-8\"?><rss version=\"2.0\"><channel><skipDays><day>Friday</day><day>Monday</day></skipDays></channel></rss>");
}
public async Task WriteCloud()
{
var sw = new StringWriterWithEncoding(Encoding.UTF8);
using (XmlWriter xmlWriter = XmlWriter.Create(sw))
{
var writer = new RssFeedWriter(xmlWriter);
await writer.WriteCloud(new Uri("http://podcast.contoso.com/rpc"), "xmlStorageSystem.rssPleaseNotify", "xml-rpc");
await writer.Flush();
}
string res = sw.ToString();
Assert.True(res == "<?xml version=\"1.0\" encoding=\"utf-8\"?><rss version=\"2.0\"><channel><cloud domain=\"podcast.contoso.com\" port=\"80\" path=\"/rpc\" registerProcedure=\"xmlStorageSystem.rssPleaseNotify\" protocol=\"xml-rpc\" /></channel></rss>");
}
public async Task WritePerson()
{
var sw = new StringWriterWithEncoding(Encoding.UTF8);
using (var xmlWriter = XmlWriter.Create(sw))
{
var writer = new RssFeedWriter(xmlWriter);
await writer.Write(new SyndicationPerson("John Doe", "*****@*****.**"));
await writer.Write(new SyndicationPerson("John Smith", "*****@*****.**", RssContributorTypes.ManagingEditor));
await writer.Flush();
}
string res = sw.ToString();
Assert.True(res == "<?xml version=\"1.0\" encoding=\"utf-8\"?><rss version=\"2.0\"><channel><author>[email protected] (John Doe)</author><managingEditor>[email protected] (John Smith)</managingEditor></channel></rss>");
}
public async Task WriteNamespaces()
{
var sw = new StringWriterWithEncoding(Encoding.UTF8);
using (XmlWriter xmlWriter = XmlWriter.Create(sw))
{
var writer = new RssFeedWriter(xmlWriter,
new SyndicationAttribute[] { new SyndicationAttribute("xmlns:content", "http://contoso.com/") });
await writer.Write(new SyndicationContent("hello", "http://contoso.com/", "world"));
await writer.Write(new SyndicationContent("world", "http://contoso.com/", "hello"));
await writer.Flush();
}
string res = sw.ToString();
Assert.True(res == "<?xml version=\"1.0\" encoding=\"utf-8\"?><rss xmlns:content=\"http://contoso.com/\" version=\"2.0\"><channel><content:hello>world</content:hello><content:world>hello</content:world></channel></rss>");
}
public async Task WriteCDATAValue()
{
var sb = new StringBuilder();
using (var xmlWriter = XmlWriter.Create(sb))
{
var writer = new RssFeedWriter(xmlWriter, null, new RssFormatter()
{
UseCDATA = true
});
await writer.WriteTitle("<h1>HTML Title</h1>");
await writer.Flush();
}
var res = sb.ToString();
Assert.True(res == "<?xml version=\"1.0\" encoding=\"utf-16\"?><rss version=\"2.0\"><channel><title><![CDATA[<h1>HTML Title</h1>]]></title></channel></rss>");
}
public async Task FormatterWriterWithNamespaces()
{
const string ExampleNs = "http://contoso.com/syndication/feed/examples";
var sw = new StringWriter();
using (var xmlWriter = XmlWriter.Create(sw))
{
var attributes = new SyndicationAttribute[] { new SyndicationAttribute("xmlns:example", ExampleNs) };
var formatter = new RssFormatter(attributes, xmlWriter.Settings);
var writer = new RssFeedWriter(xmlWriter, attributes, formatter);
// Create item
var item = new SyndicationItem()
{
Title = "Rss Writer Available",
Description = "The new RSS Writer is now open source!",
Id = "https://github.com/dotnet/wcf/tree/lab/lab/src/Microsoft.SyndicationFeed/src",
Published = DateTimeOffset.UtcNow
};
item.AddCategory(new SyndicationCategory("Technology"));
item.AddContributor(new SyndicationPerson(null, "*****@*****.**"));
//
// Format the item as SyndicationContent
var content = new SyndicationContent(formatter.CreateContent(item));
// Add custom fields/attributes
content.AddField(new SyndicationContent("customElement", ExampleNs, "Custom Value"));
// Write
await writer.Write(content);
await writer.Write(content);
await writer.Flush();
}
string res = sw.ToString();
}
public async Task WriteImage()
{
Uri uri = new Uri("http://testuriforlink.com");
var sw = new StringWriterWithEncoding(Encoding.UTF8);
using (var xmlWriter = XmlWriter.Create(sw))
{
var writer = new RssFeedWriter(xmlWriter);
await writer.Write(new SyndicationImage(uri)
{
Title = "Testing image title",
Description = "testing image description",
Link = new SyndicationLink(uri)
});
await writer.Flush();
}
string res = sw.ToString();
Assert.True(res == $"<?xml version=\"1.0\" encoding=\"utf-8\"?><rss version=\"2.0\"><channel><image><url>{uri}</url><title>Testing image title</title><link>{uri}</link><description>testing image description</description></image></channel></rss>");
}
public async Task WriteLink_allElements()
{
var sw = new StringWriterWithEncoding(Encoding.UTF8);
var link = new SyndicationLink(new Uri("http://testuriforlink.com"))
{
Title = "Test title",
Length = 123,
MediaType = "mp3/video"
};
using (var xmlWriter = XmlWriter.Create(sw))
{
var writer = new RssFeedWriter(xmlWriter);
await writer.Write(link);
await writer.Flush();
}
string res = sw.ToString();
Assert.True(res == $"<?xml version=\"1.0\" encoding=\"utf-8\"?><rss version=\"2.0\"><channel><link url=\"{link.Uri}\" type=\"{link.MediaType}\" length=\"{link.Length}\">{link.Title}</link></channel></rss>");
}
