Description

The format for a primitive datatype definition is not respected when referenced from other definitions or responses.

Swagger-codegen version

Originally seen in 2.3.0 but also in master

Swagger declaration file content or url

sample api.yml

swagger: '2.0' info: title: 'Test' description: version: 0.0.1 contact: name: 'justine' basePath: /api/ paths: /test: get: operationId: test_operation produces: - application/json parameters: [] responses: '200': description: successful operation schema: $ref: '#/definitions/Test' definitions: Test: type: object properties: Long1: $ref: "#/definitions/LongProperty" Long2: type: integer format: int64 LongProperty: type: integer format: int64 

Generated Test model class (partial)

public class Test { @JsonProperty("Long1") private Integer long1 = null; @JsonProperty("Long2") private Long long2 = null; public Test long1(Integer long1) { this.long1 = long1; return this; } ... }

Command line used for generation

swagger-codegen generate -i api.yml -l jaxrs

Steps to reproduce

Copy paste example api.yml file
Run command line
Go to src/gen/java/io/swagger/model/Test.java and the Long1 field will be an Integer but the Long2 field is a Long.

Suggest a fix/enhancement

The format property should be respected for primitive datatype Definitions.