Method mapKeyFactoryMethod

java/dagger/internal/codegen/MapKeys.java:183–194

A static mapKey() method to be added to generated factories when the @MapKey annotation is not publicly accessible.

(ContributionBinding binding, Types types)

   * annotation is not publicly accessible.
   */
  static Optional<MethodSpec> mapKeyFactoryMethod(ContributionBinding binding, Types types) {
    return binding
        .mapKey()
        .filter(mapKey -> !isMapKeyPubliclyAccessible(mapKey))
        .map(
            mapKey ->
                methodBuilder("mapKey")
                    .addModifiers(PUBLIC, STATIC)
                    .returns(TypeName.get(mapKeyType(mapKey, types)))
                    .addStatement("return $L", directMapKeyExpression(mapKey))
                    .build());
  }

  private MapKeys() {}
}