Bumped up Dart min version to 3.0.0 for json_serializable, because json_serializable requires Dart 3.5 since 6.9.0

Author: al-kimmel-serj

docs/generators/dart-dio.md

@@ -40,6 +40,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |sortModelPropertiesByRequiredFlag|Sort model properties to place required parameters before optional parameters.| |true|
 |sortParamsByRequiredFlag|Sort method arguments to place required parameters before optional parameters.| |true|
 |sourceFolder|source folder for generated code| |src|
+|supportDart2|Use dependencies compatible with Dart 2.| |false|
 |useEnumExtension|Allow the 'x-enum-values' extension for enums| |false|
 
 ## IMPORT MAPPING

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

@@ -71,6 +71,9 @@ public class DartDioClientCodegen extends AbstractDartCodegen {
     public static final String FINAL_PROPERTIES = "finalProperties";
     public static final String FINAL_PROPERTIES_DEFAULT_VALUE = "true";
 
+    public static final String SUPPORT_DART2 = "supportDart2";
+    public static final String SUPPORT_DART2_DEFAULT_VALUE = "false";
+
     private static final String CLIENT_NAME = "clientName";
 
     @Getter @Setter
@@ -138,6 +141,11 @@ public DartDioClientCodegen() {
         final CliOption finalProperties = CliOption.newBoolean(FINAL_PROPERTIES, "Whether properties are marked as final when using Json Serializable for serialization");
         finalProperties.setDefault("true");
         cliOptions.add(finalProperties);
+
+        // Support Dart 2 Option
+        final CliOption supportDart2 = CliOption.newBoolean(SUPPORT_DART2, "Use dependencies compatible with Dart 2.");
+        supportDart2.setDefault("false");
+        cliOptions.add(supportDart2);
     }
 
     @Override
@@ -183,6 +191,14 @@ public void processOpts() {
             additionalProperties.put(FINAL_PROPERTIES, Boolean.parseBoolean(additionalProperties.get(FINAL_PROPERTIES).toString()));
         }
 
+        if (!additionalProperties.containsKey(SUPPORT_DART2)) {
+            additionalProperties.put(SUPPORT_DART2, Boolean.parseBoolean(SUPPORT_DART2_DEFAULT_VALUE));
+            LOGGER.debug("supportDart2 not set, using default {}", SUPPORT_DART2_DEFAULT_VALUE);
+        }
+        else {
+            additionalProperties.put(SUPPORT_DART2, Boolean.parseBoolean(additionalProperties.get(SUPPORT_DART2).toString()));
+        }
+
         if (!additionalProperties.containsKey(CLIENT_NAME)) {
             final String name = org.openapitools.codegen.utils.StringUtils.camelize(pubName);
             additionalProperties.put(CLIENT_NAME, name);

modules/openapi-generator/src/main/resources/dart/libraries/dio/README.mustache

@@ -20,7 +20,12 @@ For more information, please visit [{{{infoUrl}}}]({{{infoUrl}}})
 
 ## Requirements
 
+{{#supportDart2}}
 * Dart 2.15.0+ or Flutter 2.8.0+
+{{/supportDart2}}
+{{^supportDart2}}
+* Dart 3.0.0+ or Flutter 2.8.0+
+{{/supportDart2}}
 * Dio 5.0.0+ (https://pub.dev/packages/dio)
 {{#useJsonSerializable}}
 * JSON Serializable 6.1.5+ (https://pub.dev/packages/json_serializable)

modules/openapi-generator/src/main/resources/dart/libraries/dio/pubspec.mustache

@@ -10,7 +10,7 @@ publish_to: {{.}}
 {{/pubPublishTo}}
 
 environment:
-  sdk: '>={{#useJsonSerializable}}2.17.0{{/useJsonSerializable}}{{^useJsonSerializable}}2.15.0{{/useJsonSerializable}} <4.0.0'
+  sdk: '>={{#useJsonSerializable}}{{#supportDart2}}2.17.0{{/supportDart2}}{{^supportDart2}}3.0.0{{/supportDart2}}{{/useJsonSerializable}}{{^useJsonSerializable}}2.15.0{{/useJsonSerializable}} <4.0.0'
 
 dependencies:
   dio: '^5.2.0'
@@ -37,6 +37,11 @@ dev_dependencies:
 {{/useBuiltValue}}
 {{#useJsonSerializable}}
   build_runner: any
-  json_serializable: '^6.1.5'
+{{#supportDart2}}
+  json_serializable: '>=6.1.5 <6.9.0'
+{{/supportDart2}}
+{{^supportDart2}}
+  json_serializable: '^6.9.0'
+{{/supportDart2}}
 {{/useJsonSerializable}}
   test: ^1.16.0

modules/openapi-generator/src/test/java/org/openapitools/codegen/options/DartDioClientOptionsProvider.java

@@ -64,6 +64,7 @@ public Map<String, String> createOptions() {
                 .put(CodegenConstants.SERIALIZATION_LIBRARY, DartDioClientCodegen.SERIALIZATION_LIBRARY_DEFAULT)
                 .put(DartDioClientCodegen.DATE_LIBRARY, DartDioClientCodegen.DATE_LIBRARY_DEFAULT)
                 .put(DartDioClientCodegen.FINAL_PROPERTIES, DartDioClientCodegen.FINAL_PROPERTIES_DEFAULT_VALUE)
+                .put(DartDioClientCodegen.SUPPORT_DART2, DartDioClientCodegen.SUPPORT_DART2_DEFAULT_VALUE)
                 .put(DartDioClientCodegen.EQUALITY_CHECK_METHOD, DartDioClientCodegen.EQUALITY_CHECK_METHOD_DEFAULT)
                 .put(CodegenConstants.SOURCE_FOLDER, SOURCE_FOLDER_VALUE)
                 .put(DartDioClientCodegen.USE_ENUM_EXTENSION, USE_ENUM_EXTENSION)

samples/openapi3/client/petstore/dart-dio/oneof/README.md

@@ -9,7 +9,7 @@ This Dart package is automatically generated by the [OpenAPI Generator](https://
 
 ## Requirements
 
-* Dart 2.15.0+ or Flutter 2.8.0+
+* Dart 3.0.0+ or Flutter 2.8.0+
 * Dio 5.0.0+ (https://pub.dev/packages/dio)
 
 ## Installation & Usage

samples/openapi3/client/petstore/dart-dio/oneof_polymorphism_and_inheritance/README.md

@@ -10,7 +10,7 @@ This Dart package is automatically generated by the [OpenAPI Generator](https://
 
 ## Requirements
 
-* Dart 2.15.0+ or Flutter 2.8.0+
+* Dart 3.0.0+ or Flutter 2.8.0+
 * Dio 5.0.0+ (https://pub.dev/packages/dio)
 
 ## Installation & Usage

samples/openapi3/client/petstore/dart-dio/oneof_primitive/README.md

@@ -9,7 +9,7 @@ This Dart package is automatically generated by the [OpenAPI Generator](https://
 
 ## Requirements
 
-* Dart 2.15.0+ or Flutter 2.8.0+
+* Dart 3.0.0+ or Flutter 2.8.0+
 * Dio 5.0.0+ (https://pub.dev/packages/dio)
 
 ## Installation & Usage

samples/openapi3/client/petstore/dart-dio/petstore_client_lib_fake-json_serializable/README.md

@@ -9,7 +9,7 @@ This Dart package is automatically generated by the [OpenAPI Generator](https://
 
 ## Requirements
 
-* Dart 2.15.0+ or Flutter 2.8.0+
+* Dart 3.0.0+ or Flutter 2.8.0+
 * Dio 5.0.0+ (https://pub.dev/packages/dio)
 * JSON Serializable 6.1.5+ (https://pub.dev/packages/json_serializable)
 

samples/openapi3/client/petstore/dart-dio/petstore_client_lib_fake-json_serializable/pubspec.yaml

@@ -4,13 +4,13 @@ description: OpenAPI API client
 homepage: homepage
 
 environment:
-  sdk: '>=2.17.0 <4.0.0'
+  sdk: '>=3.0.0 <4.0.0'
 
 dependencies:
   dio: '^5.2.0'
   json_annotation: '^4.4.0'
 
 dev_dependencies:
   build_runner: any
-  json_serializable: '^6.1.5'
+  json_serializable: '^6.9.0'
   test: ^1.16.0