Java

This section details the available configuration options for the Java SDK. All configuration is managed in the gen.yaml file under the java section.

Version and general configuration

java:
  version: 1.2.3
  projectName: "openapi"

Name	Required	Default Value	Description
version	true	0.0.1	The current version of the SDK.
projectName	true	openapi	Assigns Gradle `rootProject.name`, which names the Gradle build. See Gradle Naming.

Publishing

java:
  groupID: "com.mycompany"
  artifactID: "my-sdk"
  githubURL: "https://github.com/mycompany/my-sdk"
  companyName: "My Company"
  companyURL: "https://www.mycompany.com"
  companyEmail: "support@mycompany.com"

Name	Required	Default Value	Description
groupID	true	org.openapis	The group ID used for namespacing the package. Typically the reversed domain of an organization.
artifactID	true	openapi	The artifact ID used for namespacing the package, usually the name of the project.
githubURL	for publishing	github.com/owner/repo	The GitHub URL where the artifact is hosted. Sets metadata required by Maven.
companyName	for publishing	My Company	The name of your company. Sets metadata required by Maven.
companyURL	for publishing	www.mycompany.com	Your company's homepage URL. Sets metadata required by Maven.
companyEmail	for publishing	info@mycompany.com	A support email address for your company. Sets metadata required by Maven.

Base package name

This package will be where the primary SDK class is located (and sub-packages will hold various types of associated generated classes):

java:
  packageName: com.mycompany.sdk

Additional Dependencies

java:
  additionalDependencies:
    - "implementation:com.fasterxml.jackson.core:jackson-databind:2.12.3"
    - "testImplementation:junit:junit:4.13.2"

Name	Required	Default Value	Description
additionalDependencies	false	[]	Adds additional dependencies to include in `build.gradle`. Format: `scope:groupId:artifactId:version`.
additionalPlugins	false	[]	Adds additional plugins to include in `build.gradle`. Format: `id("plugin.id") version "x.x.x"`.

License

java:
  license:
    name: "The MIT License (MIT)"
    url: "https://mit-license.org/"
    shortName: "MIT"

Name	Required	Default Value	Description
license	false	MIT License	License information. Defaults to the MIT license if not provided.

Method and parameter management

java:
  maxMethodParams: 4

Name	Required	Default Value	Description
maxMethodParams	false	4	Maximum number of parameters before an input object is created. `0` means input objects are always used.

Security configuration

java:
  flattenGlobalSecurity: true

Property	Description	Type	Default
flattenGlobalSecurity	Enables inline security credentials during SDK instantiation. Recommended: `true`	boolean	true

Module management

java:
  moduleFormat: "dual"
  useIndexModules: true

Name	Required	Default Value	Description
useIndexModules	false	true	Determines if index modules are generated.
moduleFormat	false	commonjs	Sets the module format to use when compiling the SDK (`commonjs`, `esm`, or `dual`).

Import management

java:
  imports:
    paths:
      callbacks: models/callbacks
      errors: models/errors
      operations: models/operations
      shared: models/components
      webhooks: models/webhooks

Field	Required	Default Value	Description
paths	false	{}	Customizes where different parts of the SDK (e.g., callbacks, errors, and operations) will be imported from.

Import paths

Component	Default Value	Description
callbacks	models/callbacks	The directory where callback models will be imported from.
errors	models/errors	The directory where error models will be imported from.
operations	models/operations	The directory where operation models (i.e., API endpoints) will be imported from.
shared	models/components	The directory for shared components, such as reusable schemas and data models, imported from the OpenAPI spec.
webhooks	models/webhooks	The directory for webhook models, if your SDK includes support for webhooks.

Error and response handling

java:
  clientServerStatusCodesAsErrors: false

Name	Required	Default Value	Description
clientServerStatusCodesAsErrors	false	true	Whether to treat 4xx and 5xx status codes as errors. Options: `true` or `false`.