Parse HTTP User Agents with ASP.NET Core

1string userAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36";
2HttpUserAgentInformation info = HttpUserAgentParser.Parse(userAgent);

1UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36"
2Type = HttpUserAgentType.Browser
3Platform = {
4    Name = "Windows 10",
5    PlatformType = HttpUserAgentPlatformType.Windows
6}
7Name = "Chrome"
8Version = "90.0.4430.212"
9MobileDeviceType = null

1public void ConfigureServices(IServiceCollection services)
2{
3    services.AddHttpUserAgentParser(); // uses HttpUserAgentParserDefaultProvider and does not cache
4}

 1public class MyClass
 2{
 3    private IHttpUserAgentParserProvider _parserProvider;
 4    public MyClass(IHttpUserAgentParserProvider parserProvider)
 5    {
 6        _parserProvider = parserProvider;
 7    }
 8}
 9
10    public void MyMethod(string userAgent)
11    {
12        HttpUserAgentInformation info = _parserProvider.Parse(userAgent);
13    }

1public void ConfigureServices(IServiceCollection services)
2{
3    services.AddHttpUserAgentCachedParser(); // uses `HttpUserAgentParserCachedProvider`
4    // or
5    // services.AddHttpUserAgentParser<YourHttpUserAgentParserCachedProvider>();
6}

 1public void ConfigureServices(IServiceCollection services)
 2{
 3    services.AddHttpUserAgentMemoryCachedParser();
 4
 5    // or use options
 6
 7    services.AddHttpUserAgentMemoryCachedParser(options =>
 8    {
 9        options.CacheEntryOptions.SlidingExpiration = TimeSpan.FromMinutes(60); // default is 1 day
10
11        // limit the total entries in the MemoryCache
12        //   each unique user agent string counts as one entry
13        options.CacheOptions.SizeLimit = 1024; // default is null (= no limit)
14    });
15}