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package {{configPackage}};

{{^useSpringfox}}
import com.fasterxml.jackson.dataformat.yaml.YAMLMapper;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.core.io.Resource;
{{/useSpringfox}}
import org.springframework.stereotype.Controller;
{{^useSpringfox}}
import org.springframework.util.StreamUtils;
import org.springframework.web.bind.annotation.GetMapping;
{{/useSpringfox}}
import org.springframework.web.bind.annotation.RequestMapping;
{{^useSpringfox}}
import org.springframework.web.bind.annotation.ResponseBody;
{{/useSpringfox}}
{{#reactive}}
import org.springframework.web.reactive.function.server.RouterFunction;
import org.springframework.web.reactive.function.server.ServerResponse;
{{/reactive}}

{{^useSpringfox}}
import java.io.IOException;
import java.io.InputStream;
{{/useSpringfox}}
{{#reactive}}
import java.net.URI;
{{/reactive}}
{{^useSpringfox}}
import java.nio.charset.Charset;
{{/useSpringfox}}
{{#reactive}}

import static org.springframework.web.reactive.function.server.RequestPredicates.GET;
import static org.springframework.web.reactive.function.server.RouterFunctions.route;
{{/reactive}}

/**
 * Home redirection to OpenAPI api documentation
 */
@Controller
public class HomeController {

{{^useSpringfox}}
    private static YAMLMapper yamlMapper = new YAMLMapper();

    @Value("classpath:/openapi.yaml")
    private Resource openapi;

    @Bean
    public String openapiContent() throws IOException {
        try(InputStream is = openapi.getInputStream()) {
            return StreamUtils.copyToString(is, Charset.defaultCharset());
        }
    }

    @GetMapping(value = "/openapi.yaml", produces = "application/vnd.oai.openapi")
    @ResponseBody
    public String openapiYaml() throws IOException {
        return openapiContent();
    }

    @GetMapping(value = "/openapi.json", produces = "application/json")
    @ResponseBody
    public Object openapiJson() throws IOException {
        return yamlMapper.readValue(openapiContent(), Object.class);
    }

{{/useSpringfox}}
{{#reactive}}
    @Bean
    RouterFunction index() {
        return route(
            GET("/"),
            req -> ServerResponse.temporaryRedirect(URI.create("{{#useSpringfox}}swagger-ui.html{{/useSpringfox}}{{^useSpringfox}}swagger-ui/index.html?url=../openapi.json{{/useSpringfox}}")).build()
        );
    }
{{/reactive}}
{{^reactive}}
    @RequestMapping("/")
    public String index() {
        return "redirect:{{#useSpringfox}}swagger-ui.html{{/useSpringfox}}{{^useSpringfox}}swagger-ui/index.html?url=../openapi.json{{/useSpringfox}}";
    }
{{/reactive}}


}




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