Currently, openapi-generator doesn’t support oneOf. This is a capability that had been newly introduced with OpenAPI v3 (FYI, only v2 and below are called “Swagger”, it has then been renamed to OpenAPI). There are various generators (Java, Spring, lots of other languages). I have seen that contributions have been made during this year to enable … Read more
just add to the configuration of openapi-generator-maven-plugin <typeMappings> <typeMapping>OffsetDateTime=Instant</typeMapping> </typeMappings> <importMappings> <importMapping>java.time.OffsetDateTime=java.time.Instant</importMapping> </importMappings>
Yes, you can use useSpringBoot3: “true” in your configoptions of the generator. Example in gradle: configOptions = [ useSpringBoot3: “true” ]
From the OpenAPI Generator FAQs What is the difference between Swagger Codegen and OpenAPI Generator? Swagger Codegen is driven by SmartBear while OpenAPI Generator is driven by the community. More than 40 top contributors and template creators of Swagger Codegen have joined OpenAPI Generator as the founding team members. For more details, see the Fork … Read more
LucyBot api-spec-converter (online version, GitHub repo, Node.js module) can convert from OpenAPI 3.0 to 2.0. API Transformer (paid service) also claims to be able to convert OpenAPI 3.0 back to OpenAPI 2.0. It has a command-line version too. Keep in mind that OAS3→OAS2 convertion is lossy in general, because OAS3 has features that did not … Read more