OpenApi model geneartor

 Generate Java code from an OpenAPI specification located in a Maven JAR-dependency. 

    <dependencies>

        <dependency>

            <groupId>org.openapitools</groupId>

            <artifactId>jackson-databind-nullable</artifactId>

            <version>0.2.2</version>

        </dependency>

        <dependency>

            <groupId>io.swagger</groupId>

            <artifactId>swagger-annotations</artifactId>

            <version>1.6.3</version>

        </dependency>

    </dependencies>

<plugin>

    <groupId>org.openapitools</groupId>
    <artifactId>openapi-generator-maven-plugin</artifactId>
    <version>5.3.1</version>
    <dependencies>
        <dependency>
            <groupId>com.api.specs</groupId>
            <artifactId>api</artifactId>
            <version>1.1.0</version>
        </dependency>
    </dependencies>
    <executions>
        <execution>
            <goals>
                <goal>generate</goal>
            </goals>
            <configuration>
                <inputSpec>
                    /openapi/myservice2.yml
                </inputSpec>
                <configOptions>
                    <dateLibrary>java8</dateLibrary>
                    <library>spring-mvc</library>
                </configOptions>
                <modelPackage>ru.model</modelPackage>
                <apiPackage>ru.api</apiPackage>
                <generatorName>spring</generatorName>
                <generateApis>false</generateApis>
                <generateApiTests>false</generateApiTests>
                <generateApiDocumentation>false</generateApiDocumentation>
                <generateModels>true</generateModels>
                <generateModelTests>false</generateModelTests>
                <generateModelDocumentation>false</generateModelDocumentation>
                <generateSupportingFiles>false</generateSupportingFiles>
                <additionalProperties>false</additionalProperties>
                <typeMappings>
                    <typeMapping>OffsetDateTime=LocalDateTime</typeMapping>
                </typeMappings>
                <importMappings>
                    <importMapping>java.time.OffsetDateTime=java.time.LocalDateTime</importMapping>
                </importMappings>
            </configuration>
        </execution>
    </executions>
</plugin>