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radekoziol's avatar
radekoziol
Member
6 years ago
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Array null values

Hello,

 

Is it possible to define an array that can not contain null? 

I'm compiling it to Java with Open API 3.0

 

f.e for this example

A:
  type: array
  minItems: 1
  items:
    $ref: "#/components/schemas/B"
B: 
 type: string
 pattern: ^[a-z]+$

 I consider [null] or ["abc",null] invalid

 

Thanks in advance

array
null
Swagger Core

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  • HKosova's avatar
    HKosova
    Icon for Alumni rankAlumni
    6 years ago

    Hi radekoziol,

     

    Your example is correct. In OpenAPI 3.0, null values are only allowed if the schema has the nullable: true attribute. Since the B schema is not marked as nullable, it only allows string values but not nulls.