Projektdateien hinzufügen.

VideoBrowser/Core/UrlHandlerProvider.cs

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+namespace VideoBrowser.Core
+{
+    using System.Collections.Generic;
+    using VideoBrowser.If;
+
+    /// <summary>
+    /// Defines the <see cref="UrlHandlerProvider" />
+    /// </summary>
+    public class UrlHandlerProvider
+    {
+        #region Constructors
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="UrlHandlerProvider"/> class.
+        /// </summary>
+        public UrlHandlerProvider()
+        {
+            this.UrlHandlerDict = new Dictionary<string, IUrlHandler>();
+            this.AddHandler(new YoutubeUrlHandler());
+        }
+
+        #endregion Constructors
+
+        #region Properties
+
+        /// <summary>
+        /// Gets the NoneUrlHandler
+        /// </summary>
+        internal static IUrlHandler NoneUrlHandler { get; } = new NoneUrlHandler();
+
+        /// <summary>
+        /// Gets the UrlHandlerDict
+        /// </summary>
+        private IDictionary<string, IUrlHandler> UrlHandlerDict { get; }
+
+        #endregion Properties
+
+        #region Methods
+
+        /// <summary>
+        /// The GetUrlHandler
+        /// </summary>
+        /// <param name="url">The url<see cref="string"/></param>
+        /// <returns>The <see cref="IUrlHandler"/></returns>
+        internal IUrlHandler GetUrlHandler(string url)
+        {
+            if (string.IsNullOrEmpty(url))
+            {
+                return null;
+            }
+
+            foreach (var handlerPair in this.UrlHandlerDict)
+            {
+                if (url.Contains(handlerPair.Key))
+                {
+                    return handlerPair.Value;
+                }
+            }
+
+            return NoneUrlHandler;
+        }
+
+        /// <summary>
+        /// The AddHandler
+        /// </summary>
+        /// <param name="handler">The handler<see cref="IUrlHandler"/></param>
+        private void AddHandler(IUrlHandler handler)
+        {
+            this.UrlHandlerDict.Add(handler.DomainName, handler);
+        }
+
+        #endregion Methods
+    }
+}