[aspnetcore] Set default version to 3.1 (#8240)

* set default version to 3.1

* rename config

* update doc

Author: wing328

bin/configs/aspnetcore.yaml bin/configs/aspnetcore-2.2.yamlbin/configs/aspnetcore.yaml renamed to bin/configs/aspnetcore-2.2.yaml

@@ -4,3 +4,4 @@ inputSpec: modules/openapi-generator/src/test/resources/2_0/petstore.yaml
 templateDir: modules/openapi-generator/src/main/resources/aspnetcore/2.1
 additionalProperties:
   packageGuid: '{3C799344-F285-4669-8FD5-7ED9B795D5C5}'
+  aspnetCoreVersion: "2.2"

bin/configs/aspnetcore-3.1.yaml

@@ -4,5 +4,6 @@ inputSpec: modules/openapi-generator/src/test/resources/2_0/petstore.yaml
 templateDir: modules/openapi-generator/src/main/resources/aspnetcore/3.0
 additionalProperties:
   packageGuid: '{3C799344-F285-4669-8FD5-7ED9B795D5C5}'
-  aspnetCoreVersion: "3.1"
+  # comment out below as 3.1 the default
+  #aspnetCoreVersion: "3.1"
   userSecretsGuid: "76e9e993-9159-441c-9c5b-fe95e7f4f020"

docs/generators/aspnetcore.md

@@ -7,7 +7,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 
 | Option | Description | Values | Default |
 | ------ | ----------- | ------ | ------- |
-|aspnetCoreVersion|ASP.NET Core version: 3.1, 3.0, 2.2, 2.1, 2.0 (deprecated)| |2.2|
+|aspnetCoreVersion|ASP.NET Core version: 3.1, 3.0, 2.2, 2.1, 2.0 (deprecated)| |3.1|
 |buildTarget|Target to build an application or library| |program|
 |classModifier|Class Modifier for controller classes: Empty string or abstract.| ||
 |compatibilityVersion|ASP.Net Core CompatibilityVersion| |Version_2_2|

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AspNetCoreServerCodegen.java

@@ -190,7 +190,7 @@ public AspNetCoreServerCodegen() {
         aspnetCoreVersion.addEnum("2.2", "ASP.NET Core 2.2");
         aspnetCoreVersion.addEnum("3.0", "ASP.NET Core 3.0");
         aspnetCoreVersion.addEnum("3.1", "ASP.NET Core 3.1");
-        aspnetCoreVersion.setDefault("2.2");
+        aspnetCoreVersion.setDefault("3.1");
         aspnetCoreVersion.setOptValue(aspnetCoreVersion.getDefault());
         addOption(aspnetCoreVersion.getOpt(), aspnetCoreVersion.getDescription(), aspnetCoreVersion.getOptValue());