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com.guidedbyte.openapi-modelgen

A comprehensive Gradle plugin for generating Java DTOs from multiple OpenAPI specifications with enhanced features: ## Requirements • Java 17+ • Gradle 8.0+ • OpenAPI Generator 7.14.0+ (automatically managed) ## Features • Multi-spec support with individual task generation • Lombok annotation integration (@Data, @Builder, @SuperBuilder, etc.) • Custom Mustache template support with precedence resolution • Template variable expansion (nested variables like {{currentYear}} in {{copyright}}) • Incremental build support for optimal performance • Configuration validation with detailed error reporting • Parallel template processing for large template sets • Content-based template change detection using SHA-256 hashing ## Usage Examples ### Basic Configuration ```groovy plugins { id 'com.guidedbyte.openapi-modelgen' version '1.0.0' } openapiModelgen { defaults { outputDir "build/generated-sources/openapi" modelNameSuffix "Dto" generateModelTests false validateSpec true } specs { pets { inputSpec "src/main/resources/openapi-spec/pets.yaml" modelPackage "com.example.model.pets" } orders { inputSpec "src/main/resources/openapi-spec/orders.yaml" modelPackage "com.example.model.orders" } } } ``` ### Advanced Configuration ```groovy openapiModelgen { defaults { outputDir "build/generated-sources/openapi" templateDir "src/main/resources/openapi-templates" configOptions([ dateLibrary: "java8", serializationLibrary: "jackson", useBeanValidation: "true", hideGenerationTimestamp: "true" ]) templateVariables([ copyright: "Copyright © {{currentYear}} {{companyName}}", currentYear: "2025", companyName: "My Company Inc." ]) globalProperties([ skipFormModel: "false", generateAliasAsModel: "true" ]) } specs { pets { inputSpec "specs/pets-v1.yaml" modelPackage "com.example.pets.v1.model" configOptions([ additionalModelTypeAnnotations: "@lombok.Data;@lombok.experimental.SuperBuilder" ]) } } } ``` Command Line Options: All configuration options can be overridden via command line: • --model-package=com.example.model • --output-dir=build/custom-output • --template-dir=custom-templates • --model-name-suffix=Entity • --validate-spec • --generate-model-tests • --generate-api-docs Task Generation: • generateOpenApiDtosForPets - Generate DTOs for pets specification • generateOpenApiDtosForOrders - Generate DTOs for orders specification • generateOpenApiDtosAll - Generate DTOs for all specifications Dependencies: The plugin automatically detects and works with any OpenAPI Generator version provided by your configuration management (corporate plugins, etc.). If no version is found, it falls back to the tested default version 7.14.0. The plugin also automatically adds required dependencies including Lombok, Jackson, Spring Boot validation, and JSR-305 annotations. Template Customization: Place custom .mustache templates in your template directory to override plugin defaults. Template resolution follows precedence: user templates > plugin templates > OpenAPI generator defaults. For detailed documentation visit: https://github.com/ryansmith4/openapi-modelgen

2.1.0
(17 September 2025)

io.github.mmalygin.openapi-generator

This plugin allows you to generate client and server SDKs for different languages, documentation and new generators from OpenAPI 2.0 and 3.x specifications. It does mostly the same things as openapi generator plugin but has a set of additional parameters: 1. Java client retrofit2 generator: add "interfaceOnly" additional property. If it's true, only API interfaces are generated. 2. Java client retrofit2 generator: allow to select serialization library when interfaceOnly = true. It's possible to use jackson instead of gson. 3. Possibility to configure useOneOfInterfaces via additional properties. Generation oneOf interfaces for Java Spring generator.

6.2.0
(02 October 2022)

com.waftex.assertj-generator

Generate Assertj assertion classes. Forked from com.github.fhermansson.assertj-generator via com.github.dimamura.assertj-generator, with latest assertj generator and Gradle 7 compatibility

1.1.4
(02 July 2021)

com.graphql-java-generator.graphql-gradle-plugin3

graphql-gradle-plugin3 is a Gradle Plugin for GraphQL, based on graphql-java. It accelerates the development for both the client and the server, by generating the Java code. It allows a quicker development when in contract-first approach, by avoiding to code the boilerplate code. The graphql-gradle-plugin3 is compiled against SpringBoot3 and Spring Framework 6.

3.0.1
(15 September 2025)

io.github.ynixt.another-typescript-generator

Another Typescript Generator is a Gradle plugin that generates Typescript interfaces from Kotlin/Java classes. Each class generates a new file to prevent collision.

1.2.0
(10 September 2025)

com.graphql-java-generator.graphql-gradle-plugin

graphql-gradle-plugin is a Gradle Plugin for GraphQL, based on graphql-java. It accelerates the development for both the client and the server, by generating the Java code. It allows a quicker development when in contract-first approach, by avoiding to code the boilerplate code.

2.9
(10 March 2025)

com.graphql_java_generator.graphql-gradle-plugin

graphql-gradle-plugin is a Gradle Plugin for GraphQL, based on graphql-java. It accelerates the development for both the client and the server, by generating the Java code. It allows a quicker development when in contract-first approach, by avoiding to code the boilerplate code.

1.18.11
(04 April 2023)

net.devrieze.gradlecodegen

A plugin to aid with codeGeneration without using buildSrc. It provides an additional generate section to sourceSets. In this section individual files to be generated can be specified. Each sourceset has an accompanying ...generator sourceSet where the actual generator source can live.

0.6.0
(01 March 2023)

com.github.dimamura.assertj-generator

Generate Assertj assertion classes. (forked from com.github.fhermansson.assertj-generator, update dependencies include assertj-assertions-generator 2.2.0.)

1.1.3-SNAPSHOT.0.5
(30 December 2020)

io.freefair.code-generator

A plugin for executing specified code generators

9.0.0-rc2
(07 September 2025)