[BUG][Java Spring OAS3] Invalid allowable values generated for enum path variables

Created by: whydoievenneedthis

Description

Enum path variables with java spring oas3 option are generated incorrectly.

openapi-generator version

5.3.1

OpenAPI declaration file content

openapi: 3.0.3
info:
  title: Api Documentation
  description: Api Documentation
  termsOfService: urn:tos
  contact: {}
  license:
    name: Apache 2.0
    url: http://www.apache.org/licenses/LICENSE-2.0
  version: '1.0'
paths:
  /thingy/{type}:
    get:
      operationId: get
      parameters:
        - name: type
          in: path
          description: type
          required: true
          schema:
            $ref: '#/components/schemas/Periodicity'
      responses:
        '200':
          description: OK
components:
  schemas:
    Periodicity:
      type: string
      enum:
        - MORNING
        - EVENING
        - DAILY
        - WEEKLY
        - BIWEEKLY
        - MONTHLY

Generation Details

Generator name: spring Config options: oas3 = true

Generated java code

The following code fragment is generated with the oas3 option turned on:

@Parameter(
  name = "type",
  description = "type",
  required = true,
  allowableValues = "MORNING, EVENING, DAILY, WEEKLY, BIWEEKLY, MONTHLY"
)

Expected java code

@Parameter(
  name = "type",
  description = "type",
  required = true,
  schema = @Schema(allowableValues = "MORNING, EVENING, DAILY, WEEKLY, BIWEEKLY, MONTHLY")
)