3 files changed, 4 insertions, 16 deletions
diff --git a/MediaBrowser.Model/Dlna/SearchCriteria.cs b/MediaBrowser.Model/Dlna/SearchCriteria.cs
index b1fc48c08..77d6a55ea 100644
--- a/MediaBrowser.Model/Dlna/SearchCriteria.cs
+++ b/MediaBrowser.Model/Dlna/SearchCriteria.cs
@@ -9,10 +9,7 @@ namespace MediaBrowser.Model.Dlna
     {
         public SearchCriteria(string search)
         {
-            if (search.Length == 0)
-            {
-                throw new ArgumentException("String can't be empty.", nameof(search));
-            }
+            ArgumentException.ThrowIfNullOrEmpty(search);
 
             SearchType = SearchType.Unknown;
 
diff --git a/MediaBrowser.Model/Dlna/StreamBuilder.cs b/MediaBrowser.Model/Dlna/StreamBuilder.cs
index a004edc6a..af35e98ee 100644
--- a/MediaBrowser.Model/Dlna/StreamBuilder.cs
+++ b/MediaBrowser.Model/Dlna/StreamBuilder.cs
@@ -1496,10 +1496,7 @@ namespace MediaBrowser.Model.Dlna
                 throw new ArgumentException("ItemId is required");
             }
 
-            if (string.IsNullOrEmpty(options.DeviceId))
-            {
-                throw new ArgumentException("DeviceId is required");
-            }
+            ArgumentException.ThrowIfNullOrEmpty(options.DeviceId);
 
             if (options.Profile is null)
             {
diff --git a/MediaBrowser.Model/Dlna/StreamInfo.cs b/MediaBrowser.Model/Dlna/StreamInfo.cs
index 9e0536c73..3b5509907 100644
--- a/MediaBrowser.Model/Dlna/StreamInfo.cs
+++ b/MediaBrowser.Model/Dlna/StreamInfo.cs
@@ -620,10 +620,7 @@ namespace MediaBrowser.Model.Dlna
 
         public string ToUrl(string baseUrl, string accessToken)
         {
-            if (string.IsNullOrEmpty(baseUrl))
-            {
-                throw new ArgumentNullException(nameof(baseUrl));
-            }
+            ArgumentException.ThrowIfNullOrEmpty(baseUrl);
 
             var list = new List<string>();
             foreach (NameValuePair pair in BuildParams(this, accessToken))
@@ -664,10 +661,7 @@ namespace MediaBrowser.Model.Dlna
 
         private string GetUrl(string baseUrl, string queryString)
         {
-            if (string.IsNullOrEmpty(baseUrl))
-            {
-                throw new ArgumentNullException(nameof(baseUrl));
-            }
+            ArgumentException.ThrowIfNullOrEmpty(baseUrl);
 
             string extension = string.IsNullOrEmpty(Container) ? string.Empty : "." + Container;