Fix collection expression use in old versions of C#

EraYaN · EraYaN · commit 8ec6163de634 · 2025-10-06T09:20:22.000+02:00
diff --git a/modules/openapi-generator/src/main/resources/csharp/libraries/generichost/ClientUtils.mustache b/modules/openapi-generator/src/main/resources/csharp/libraries/generichost/ClientUtils.mustache
@@ -327,7 +327,12 @@ using System.Net.Http.Headers;
                 return null;
 
             if (accepts.Contains("application/json", StringComparer.OrdinalIgnoreCase))
+            {{#net80OrLater}}
                 return [MediaTypeWithQualityHeaderValue.Parse("application/json")];
+            {{/net80OrLater}}
+            {{^net80OrLater}}
+                return new [] { MediaTypeWithQualityHeaderValue.Parse("application/json") };
+            {{/net80OrLater}}
 
             return accepts.Select(MediaTypeWithQualityHeaderValue.Parse);
         }
diff --git a/samples/client/petstore/csharp/generichost/net4.7/AllOf/src/Org.OpenAPITools/Client/ClientUtils.cs b/samples/client/petstore/csharp/generichost/net4.7/AllOf/src/Org.OpenAPITools/Client/ClientUtils.cs
@@ -247,7 +247,7 @@ public static IEnumerable<MediaTypeWithQualityHeaderValue> SelectHeaderAcceptArr
                 return null;
 
             if (accepts.Contains("application/json", StringComparer.OrdinalIgnoreCase))
-                return [MediaTypeWithQualityHeaderValue.Parse("application/json")];
+                return new [] { MediaTypeWithQualityHeaderValue.Parse("application/json") };
 
             return accepts.Select(MediaTypeWithQualityHeaderValue.Parse);
         }
diff --git a/samples/client/petstore/csharp/generichost/net4.7/AnyOf/src/Org.OpenAPITools/Client/ClientUtils.cs b/samples/client/petstore/csharp/generichost/net4.7/AnyOf/src/Org.OpenAPITools/Client/ClientUtils.cs
@@ -247,7 +247,7 @@ public static IEnumerable<MediaTypeWithQualityHeaderValue> SelectHeaderAcceptArr
                 return null;
 
             if (accepts.Contains("application/json", StringComparer.OrdinalIgnoreCase))
-                return [MediaTypeWithQualityHeaderValue.Parse("application/json")];
+                return new [] { MediaTypeWithQualityHeaderValue.Parse("application/json") };
 
             return accepts.Select(MediaTypeWithQualityHeaderValue.Parse);
         }
diff --git a/samples/client/petstore/csharp/generichost/net4.7/AnyOfNoCompare/src/Org.OpenAPITools/Client/ClientUtils.cs b/samples/client/petstore/csharp/generichost/net4.7/AnyOfNoCompare/src/Org.OpenAPITools/Client/ClientUtils.cs
@@ -232,7 +232,7 @@ public static IEnumerable<MediaTypeWithQualityHeaderValue> SelectHeaderAcceptArr
                 return null;
 
             if (accepts.Contains("application/json", StringComparer.OrdinalIgnoreCase))
-                return [MediaTypeWithQualityHeaderValue.Parse("application/json")];
+                return new [] { MediaTypeWithQualityHeaderValue.Parse("application/json") };
 
             return accepts.Select(MediaTypeWithQualityHeaderValue.Parse);
         }
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Client/ClientUtils.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Client/ClientUtils.cs
@@ -347,7 +347,7 @@ public static IEnumerable<MediaTypeWithQualityHeaderValue> SelectHeaderAcceptArr
                 return null;
 
             if (accepts.Contains("application/json", StringComparer.OrdinalIgnoreCase))
-                return [MediaTypeWithQualityHeaderValue.Parse("application/json")];
+                return new [] { MediaTypeWithQualityHeaderValue.Parse("application/json") };
 
             return accepts.Select(MediaTypeWithQualityHeaderValue.Parse);
         }
diff --git a/samples/client/petstore/csharp/generichost/net4.7/OneOf/src/Org.OpenAPITools/Client/ClientUtils.cs b/samples/client/petstore/csharp/generichost/net4.7/OneOf/src/Org.OpenAPITools/Client/ClientUtils.cs
@@ -247,7 +247,7 @@ public static IEnumerable<MediaTypeWithQualityHeaderValue> SelectHeaderAcceptArr
                 return null;
 
             if (accepts.Contains("application/json", StringComparer.OrdinalIgnoreCase))
-                return [MediaTypeWithQualityHeaderValue.Parse("application/json")];
+                return new [] { MediaTypeWithQualityHeaderValue.Parse("application/json") };
 
             return accepts.Select(MediaTypeWithQualityHeaderValue.Parse);
         }
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Client/ClientUtils.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Client/ClientUtils.cs
@@ -351,7 +351,7 @@ public static IEnumerable<MediaTypeWithQualityHeaderValue> SelectHeaderAcceptArr
                 return null;
 
             if (accepts.Contains("application/json", StringComparer.OrdinalIgnoreCase))
-                return [MediaTypeWithQualityHeaderValue.Parse("application/json")];
+                return new [] { MediaTypeWithQualityHeaderValue.Parse("application/json") };
 
             return accepts.Select(MediaTypeWithQualityHeaderValue.Parse);
         }
diff --git a/samples/client/petstore/csharp/generichost/net4.7/UseDateTimeForDate/src/Org.OpenAPITools/Client/ClientUtils.cs b/samples/client/petstore/csharp/generichost/net4.7/UseDateTimeForDate/src/Org.OpenAPITools/Client/ClientUtils.cs
@@ -232,7 +232,7 @@ public static IEnumerable<MediaTypeWithQualityHeaderValue> SelectHeaderAcceptArr
                 return null;
 
             if (accepts.Contains("application/json", StringComparer.OrdinalIgnoreCase))
-                return [MediaTypeWithQualityHeaderValue.Parse("application/json")];
+                return new [] { MediaTypeWithQualityHeaderValue.Parse("application/json") };
 
             return accepts.Select(MediaTypeWithQualityHeaderValue.Parse);
         }
diff --git a/samples/client/petstore/csharp/generichost/net4.8/AllOf/src/Org.OpenAPITools/Client/ClientUtils.cs b/samples/client/petstore/csharp/generichost/net4.8/AllOf/src/Org.OpenAPITools/Client/ClientUtils.cs
@@ -247,7 +247,7 @@ public static IEnumerable<MediaTypeWithQualityHeaderValue> SelectHeaderAcceptArr
                 return null;
 
             if (accepts.Contains("application/json", StringComparer.OrdinalIgnoreCase))
-                return [MediaTypeWithQualityHeaderValue.Parse("application/json")];
+                return new [] { MediaTypeWithQualityHeaderValue.Parse("application/json") };
 
             return accepts.Select(MediaTypeWithQualityHeaderValue.Parse);
         }
diff --git a/samples/client/petstore/csharp/generichost/net4.8/AnyOf/src/Org.OpenAPITools/Client/ClientUtils.cs b/samples/client/petstore/csharp/generichost/net4.8/AnyOf/src/Org.OpenAPITools/Client/ClientUtils.cs
@@ -247,7 +247,7 @@ public static IEnumerable<MediaTypeWithQualityHeaderValue> SelectHeaderAcceptArr
                 return null;
 
             if (accepts.Contains("application/json", StringComparer.OrdinalIgnoreCase))
-                return [MediaTypeWithQualityHeaderValue.Parse("application/json")];
+                return new [] { MediaTypeWithQualityHeaderValue.Parse("application/json") };
 
             return accepts.Select(MediaTypeWithQualityHeaderValue.Parse);
         }
diff --git a/samples/client/petstore/csharp/generichost/net4.8/AnyOfNoCompare/src/Org.OpenAPITools/Client/ClientUtils.cs b/samples/client/petstore/csharp/generichost/net4.8/AnyOfNoCompare/src/Org.OpenAPITools/Client/ClientUtils.cs
@@ -232,7 +232,7 @@ public static IEnumerable<MediaTypeWithQualityHeaderValue> SelectHeaderAcceptArr
                 return null;
 
             if (accepts.Contains("application/json", StringComparer.OrdinalIgnoreCase))
-                return [MediaTypeWithQualityHeaderValue.Parse("application/json")];
+                return new [] { MediaTypeWithQualityHeaderValue.Parse("application/json") };
 
             return accepts.Select(MediaTypeWithQualityHeaderValue.Parse);
         }
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Client/ClientUtils.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Client/ClientUtils.cs
@@ -347,7 +347,7 @@ public static IEnumerable<MediaTypeWithQualityHeaderValue> SelectHeaderAcceptArr
                 return null;
 
             if (accepts.Contains("application/json", StringComparer.OrdinalIgnoreCase))
-                return [MediaTypeWithQualityHeaderValue.Parse("application/json")];
+                return new [] { MediaTypeWithQualityHeaderValue.Parse("application/json") };
 
             return accepts.Select(MediaTypeWithQualityHeaderValue.Parse);
         }
diff --git a/samples/client/petstore/csharp/generichost/net4.8/OneOf/src/Org.OpenAPITools/Client/ClientUtils.cs b/samples/client/petstore/csharp/generichost/net4.8/OneOf/src/Org.OpenAPITools/Client/ClientUtils.cs
@@ -247,7 +247,7 @@ public static IEnumerable<MediaTypeWithQualityHeaderValue> SelectHeaderAcceptArr
                 return null;
 
             if (accepts.Contains("application/json", StringComparer.OrdinalIgnoreCase))
-                return [MediaTypeWithQualityHeaderValue.Parse("application/json")];
+                return new [] { MediaTypeWithQualityHeaderValue.Parse("application/json") };
 
             return accepts.Select(MediaTypeWithQualityHeaderValue.Parse);
         }
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Client/ClientUtils.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Client/ClientUtils.cs
@@ -351,7 +351,7 @@ public static IEnumerable<MediaTypeWithQualityHeaderValue> SelectHeaderAcceptArr
                 return null;
 
             if (accepts.Contains("application/json", StringComparer.OrdinalIgnoreCase))
-                return [MediaTypeWithQualityHeaderValue.Parse("application/json")];
+                return new [] { MediaTypeWithQualityHeaderValue.Parse("application/json") };
 
             return accepts.Select(MediaTypeWithQualityHeaderValue.Parse);
         }
diff --git a/samples/client/petstore/csharp/generichost/net4.8/UseDateTimeForDate/src/Org.OpenAPITools/Client/ClientUtils.cs b/samples/client/petstore/csharp/generichost/net4.8/UseDateTimeForDate/src/Org.OpenAPITools/Client/ClientUtils.cs
@@ -232,7 +232,7 @@ public static IEnumerable<MediaTypeWithQualityHeaderValue> SelectHeaderAcceptArr
                 return null;
 
             if (accepts.Contains("application/json", StringComparer.OrdinalIgnoreCase))
-                return [MediaTypeWithQualityHeaderValue.Parse("application/json")];
+                return new [] { MediaTypeWithQualityHeaderValue.Parse("application/json") };
 
             return accepts.Select(MediaTypeWithQualityHeaderValue.Parse);
         }
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Client/ClientUtils.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Client/ClientUtils.cs
@@ -351,7 +351,7 @@ public static IEnumerable<MediaTypeWithQualityHeaderValue> SelectHeaderAcceptArr
                 return null;
 
             if (accepts.Contains("application/json", StringComparer.OrdinalIgnoreCase))
-                return [MediaTypeWithQualityHeaderValue.Parse("application/json")];
+                return new [] { MediaTypeWithQualityHeaderValue.Parse("application/json") };
 
             return accepts.Select(MediaTypeWithQualityHeaderValue.Parse);
         }

Original file line number	Diff line number	Diff line change
`@@ -247,7 +247,7 @@ public static IEnumerable<MediaTypeWithQualityHeaderValue> SelectHeaderAcceptArr`
`247`	`247`	`return null;`
`248`	`248`
`249`	`249`	`if (accepts.Contains("application/json", StringComparer.OrdinalIgnoreCase))`
`250`		`- return [MediaTypeWithQualityHeaderValue.Parse("application/json")];`
	`250`	`+ return new [] { MediaTypeWithQualityHeaderValue.Parse("application/json") };`
`251`	`251`
`252`	`252`	`return accepts.Select(MediaTypeWithQualityHeaderValue.Parse);`
`253`	`253`	`}`
Original file line number	Diff line number	Diff line change
`@@ -232,7 +232,7 @@ public static IEnumerable<MediaTypeWithQualityHeaderValue> SelectHeaderAcceptArr`
`232`	`232`	`return null;`
`233`	`233`
`234`	`234`	`if (accepts.Contains("application/json", StringComparer.OrdinalIgnoreCase))`
`235`		`- return [MediaTypeWithQualityHeaderValue.Parse("application/json")];`
	`235`	`+ return new [] { MediaTypeWithQualityHeaderValue.Parse("application/json") };`
`236`	`236`
`237`	`237`	`return accepts.Select(MediaTypeWithQualityHeaderValue.Parse);`
`238`	`238`	`}`
Original file line number	Diff line number	Diff line change
`@@ -347,7 +347,7 @@ public static IEnumerable<MediaTypeWithQualityHeaderValue> SelectHeaderAcceptArr`
`347`	`347`	`return null;`
`348`	`348`
`349`	`349`	`if (accepts.Contains("application/json", StringComparer.OrdinalIgnoreCase))`
`350`		`- return [MediaTypeWithQualityHeaderValue.Parse("application/json")];`
	`350`	`+ return new [] { MediaTypeWithQualityHeaderValue.Parse("application/json") };`
`351`	`351`
`352`	`352`	`return accepts.Select(MediaTypeWithQualityHeaderValue.Parse);`
`353`	`353`	`}`
Original file line number	Diff line number	Diff line change
`@@ -351,7 +351,7 @@ public static IEnumerable<MediaTypeWithQualityHeaderValue> SelectHeaderAcceptArr`
`351`	`351`	`return null;`
`352`	`352`
`353`	`353`	`if (accepts.Contains("application/json", StringComparer.OrdinalIgnoreCase))`
`354`		`- return [MediaTypeWithQualityHeaderValue.Parse("application/json")];`
	`354`	`+ return new [] { MediaTypeWithQualityHeaderValue.Parse("application/json") };`
`355`	`355`
`356`	`356`	`return accepts.Select(MediaTypeWithQualityHeaderValue.Parse);`
`357`	`357`	`}`