[JAVA-Spring-server] missing dependency; missing import

Description

The autogenerated pom.xml is missing a dependency. The autogenerated Java files miss an import.

Swagger-codegen version

swagger-codegen-cli-3.0.0-20180717.153005-90

Swagger declaration file content

openapi: 3.0.0
info:
  version: 0.0.0
  title: Example
paths:
  /randomPet:
    get:
      responses:
        '200':
          description: Random pet
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Pet'
components:
  schemas:
    Pet:
      type: object
      required:
        - petType
      properties:
        petType:
          type: string

Command line used for generation

java -jar swagger-codegen-cli-3.0.0-20180717.153005-90.jar generate -DhideGenerationTimestamp=true -l spring -i openapi.yaml

pom.xml problem

The following entry is missing from the pom:

         <!-- https://mvnrepository.com/artifact/io.swagger.core.v3/swagger-annotations -->
         <dependency>
             <groupId>io.swagger.core.v3</groupId>
             <artifactId>swagger-annotations</artifactId>
             <version>2.0.3</version>
         </dependency>

Generated .java files problem

The following import is missing from the file src/main/java/io/swagger/model/Pet.java:

import io.swagger.annotations.ApiModelProperty;

Reproduce the report with the supplied OpenAPI YAML and generation command, then inspect the generated pom.xml and src/main/java/io/swagger/model/Pet.java. Trace the generator templates responsible for these outputs; the work is done when the generated project includes the swagger-annotations dependency, Pet.java imports ApiModelProperty, and the generated project builds.