From a9a5fcde81060c9da2096235d61128006339a2ee Mon Sep 17 00:00:00 2001
From: Bond_009 <bond.009@outlook.com>
Date: Thu, 6 Oct 2022 20:21:23 +0200
Subject: Use ArgumentNullException.ThrowIfNull helper method

Did a simple search/replace on the whole repo (except the RSSDP project)
This reduces LOC and should improve performance (methods containing a throw statement don't get inlined)

```
if \((\w+) == null\)
\s+\{
\s+throw new ArgumentNullException\((.*)\);
\s+\}
```

```
ArgumentNullException.ThrowIfNull($1);
```
---
 MediaBrowser.Common/Net/NetworkExtensions.cs | 20 ++++----------------
 1 file changed, 4 insertions(+), 16 deletions(-)

(limited to 'MediaBrowser.Common/Net/NetworkExtensions.cs')

diff --git a/MediaBrowser.Common/Net/NetworkExtensions.cs b/MediaBrowser.Common/Net/NetworkExtensions.cs
index 264bfacb4..7ad005854 100644
--- a/MediaBrowser.Common/Net/NetworkExtensions.cs
+++ b/MediaBrowser.Common/Net/NetworkExtensions.cs
@@ -61,10 +61,7 @@ namespace MediaBrowser.Common.Net
                 return false;
             }
 
-            if (item == null)
-            {
-                throw new ArgumentNullException(nameof(item));
-            }
+            ArgumentNullException.ThrowIfNull(item);
 
             if (item.IsIPv4MappedToIPv6)
             {
@@ -96,10 +93,7 @@ namespace MediaBrowser.Common.Net
                 return false;
             }
 
-            if (item == null)
-            {
-                throw new ArgumentNullException(nameof(item));
-            }
+            ArgumentNullException.ThrowIfNull(item);
 
             foreach (var i in source)
             {
@@ -153,10 +147,7 @@ namespace MediaBrowser.Common.Net
         /// <returns>Collection{IPObject} object containing the subnets.</returns>
         public static Collection<IPObject> AsNetworks(this Collection<IPObject> source)
         {
-            if (source == null)
-            {
-                throw new ArgumentNullException(nameof(source));
-            }
+            ArgumentNullException.ThrowIfNull(source);
 
             Collection<IPObject> res = new Collection<IPObject>();
 
@@ -239,10 +230,7 @@ namespace MediaBrowser.Common.Net
                 return new Collection<IPObject>();
             }
 
-            if (target == null)
-            {
-                throw new ArgumentNullException(nameof(target));
-            }
+            ArgumentNullException.ThrowIfNull(target);
 
             Collection<IPObject> nc = new Collection<IPObject>();
 
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