Merge pull request #481 from swagger-api/aspnet_core_server_port_issue

set default server url for output code.

Author: HugoMario

src/main/java/io/swagger/codegen/v3/generators/dotnet/AspNetCoreServerCodegen.java

@@ -10,6 +10,7 @@
 import io.swagger.codegen.v3.CodegenType;
 import io.swagger.codegen.v3.SupportingFile;
 import io.swagger.codegen.v3.generators.handlebars.ExtensionHelper;
+import io.swagger.codegen.v3.utils.URLPathUtil;
 import io.swagger.v3.core.util.Json;
 import io.swagger.v3.oas.models.OpenAPI;
 import io.swagger.v3.oas.models.security.SecurityScheme;
@@ -18,6 +19,7 @@
 import org.slf4j.LoggerFactory;
 
 import java.io.File;
+import java.net.URL;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
@@ -122,6 +124,18 @@ public String getHelp() {
         return "Generates an ASP.NET Core Web API server.";
     }
 
+    @Override
+    public void preprocessOpenAPI(OpenAPI openAPI) {
+        super.preprocessOpenAPI(openAPI);
+
+        final URL urlInfo = URLPathUtil.getServerURL(openAPI);
+        if ( urlInfo != null && urlInfo.getPort() > 0) {
+            additionalProperties.put("serverUrl", urlInfo.toString());
+        } else {
+            additionalProperties.put("serverUrl", URLPathUtil.LOCAL_HOST);
+        }
+    }
+
     @Override
     public void processOpts() {
         super.processOpts();

src/main/resources/handlebars/aspnetcore/2.1/Program.mustache

@@ -24,6 +24,9 @@ namespace {{packageName}}
         /// <returns>IWebHostBuilder</returns>
         public static IWebHostBuilder CreateWebHostBuilder(string[] args) =>
             WebHost.CreateDefaultBuilder(args)
-                .UseStartup<Startup>();
+                .UseStartup<Startup>(){{^serverUrl}};{{/serverUrl}}
+                {{#serverUrl}}
+                .UseUrls("{{serverUrl}}");
+                {{/serverUrl}}
     }
 }

src/main/resources/handlebars/aspnetcore/Program.mustache

@@ -31,6 +31,9 @@ namespace {{packageName}}
         public static IWebHost BuildWebHost(string[] args) =>
             WebHost.CreateDefaultBuilder(args)
                 .UseStartup<Startup>()
+                {{#serverUrl}}
+                .UseUrls("{{serverUrl}}")
+                {{/serverUrl}}
                 .Build();
     }
 }