spring-boot-rest/spring-boot-mvc/src/main/java/com/baeldung/swagger2boot/configuration/SpringFoxConfig.java

package com.baeldung.swagger2boot.configuration;

import org.springframework.boot.autoconfigure.domain.EntityScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;

import com.baeldung.swagger2boot.plugin.EmailAnnotationPlugin;

import springfox.bean.validators.configuration.BeanValidatorPluginsConfiguration;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.Contact;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.data.rest.configuration.SpringDataRestConfiguration;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger.web.*;
import springfox.documentation.swagger2.annotations.EnableSwagger2WebMvc;

import java.util.Collections;

@Configuration
@EnableSwagger2WebMvc
@Import({SpringDataRestConfiguration.class, BeanValidatorPluginsConfiguration.class})
public class SpringFoxConfig {

    private ApiInfo apiInfo() {
        return new ApiInfo(
                "My REST API",
                "Some custom description of API.",
                "API TOS",
                "Terms of service",
                new Contact("John Doe", "www.example.com", "myeaddress@company.com"),
                "License of API",
                "API license URL",
                Collections.emptyList());
    }

    @Bean
    public Docket api() {
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                    .apis(RequestHandlerSelectors.any())
                    .paths(PathSelectors.any())
                .build();
    }

    /**
     * SwaggerUI information
     */

    @Bean
    UiConfiguration uiConfig() {
        return UiConfigurationBuilder.builder()
                .deepLinking(true)
                .displayOperationId(false)
                .defaultModelsExpandDepth(1)
                .defaultModelExpandDepth(1)
                .defaultModelRendering(ModelRendering.EXAMPLE)
                .displayRequestDuration(false)
                .docExpansion(DocExpansion.NONE)
                .filter(false)
                .maxDisplayedTags(null)
                .operationsSorter(OperationsSorter.ALPHA)
                .showExtensions(false)
                .tagsSorter(TagsSorter.ALPHA)
                .supportedSubmitMethods(UiConfiguration.Constants.DEFAULT_SUBMIT_METHODS)
                .validatorUrl(null)
                .build();
    }

    @Bean
    public EmailAnnotationPlugin emailPlugin() {
        return new EmailAnnotationPlugin();
    }
}