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swagger-codegen-maven-plugin

A Maven plugin to support the swagger code generation project

Usage

Add to your build->plugins section (default phase is generate-sources phase)

<plugin>
    <groupId>io.swagger</groupId>
    <artifactId>swagger-codegen-maven-plugin</artifactId>
    <version>2.3.1</version>
    <executions>
        <execution>
            <goals>
                <goal>generate</goal>
            </goals>
            <configuration>
                <inputSpec>${project.basedir}/src/main/resources/api.yaml</inputSpec>
                <language>java</language>
                <configOptions>
                   <sourceFolder>src/gen/java/main</sourceFolder>
                </configOptions>
            </configuration>
        </execution>
    </executions>
</plugin>

Followed by:

mvn clean compile

General Configuration parameters

  • inputSpec - OpenAPI Spec file path
  • language - target generation language
  • output - target output path (default is ${project.build.directory}/generated-sources/swagger)
  • templateDirectory - directory with mustache templates
  • addCompileSourceRoot - add the output directory to the project as a source root (true by default)
  • modelPackage - the package to use for generated model objects/classes
  • apiPackage - the package to use for generated api objects/classes
  • invokerPackage - the package to use for the generated invoker objects
  • modelNamePrefix and modelNameSuffix - Sets the pre- or suffix for model classes and enums
  • localVariablePrefix - adds a prefix for all generated local variables. Helps if your API has method names that conflict with local variable names.
  • withXml - enable XML annotations inside the generated models and API (only works with Java language and libraries that provide support for JSON and XML)
  • configOptions - a map of language-specific parameters (see below)
  • configHelp - dumps the configuration help for the specified library (generates no sources)
  • ignoreFileOverride - specifies the full path to a .swagger-codegen-ignore used for pattern based overrides of generated outputs
  • generateApis - generate the apis (true by default)
  • generateApiTests - generate the api tests (true by default. Only available if generateApis is true)
  • generateApiDocumentation - generate the api documentation (true by default. Only available if generateApis is true)
  • generateModels - generate the models (true by default)
  • modelsToGenerate - A comma separated list of models to generate. All models is the default.
  • generateModelTests - generate the model tests (true by default. Only available if generateModels is true)
  • generateModelDocumentation - generate the model documentation (true by default. Only available if generateModels is true)
  • generateSupportingFiles - generate the supporting files (true by default)
  • supportingFilesToGenerate - A comma separated list of supporting files to generate. All files is the default.
  • skip - skip code generation (false by default. Can also be set globally through the codegen.skip property)

Custom Generator

Specifying a custom generator is a bit different. It doesn't support the classpath:/ syntax, but it does support the fully qualified name of the package. You can also specify your custom templates, which also get pulled in. Notice the dependency on a project, in the plugin scope. That would be your generator/template jar.

<plugin>
    <groupId>io.swagger</groupId>
    <artifactId>swagger-codegen-maven-plugin</artifactId>
    <version>${swagger-codegen-maven-plugin-version}</version>
    <executions>
        <execution>
            <goals>
                <goal>generate</goal>
            </goals>
            <configuration>
                <inputSpec>${project.basedir}/src/main/resources/yaml/yamlfilename.yaml</inputSpec>
                <!-- language file, like e.g. JavaJaxRSCodegen shipped with swagger -->
                <language>com.my.package.for.GeneratorLanguage</language>
                <templateDirectory>myTemplateDir</templateDirectory>

                <output>${project.build.directory}/generated-sources</output>
                <apiPackage>${default.package}.handler</apiPackage>
                <modelPackage>${default.package}.model</modelPackage>
                <invokerPackage>${default.package}.handler</invokerPackage>
            </configuration>
        </execution>
    </executions>

    <dependencies>
        <dependency>
            <groupId>com.my.generator</groupId>
            <artifactId>customgenerator</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
    </dependencies>
</plugin>

Sample configuration