org.lockss.laaws.config.api.StatusApiDelegate Maven / Gradle / Ivy

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package org.lockss.laaws.config.api;

import org.lockss.util.rest.status.ApiStatus;
import com.fasterxml.jackson.databind.ObjectMapper;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.responses.ApiResponses;
import io.swagger.v3.oas.annotations.responses.ApiResponse;
import io.swagger.v3.oas.annotations.media.ArraySchema;
import io.swagger.v3.oas.annotations.media.Content;
import io.swagger.v3.oas.annotations.media.Schema;
import io.swagger.v3.oas.annotations.security.SecurityRequirement;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.multipart.MultipartFile;
import java.io.IOException;

import jakarta.servlet.http.HttpServletRequest;
import java.util.List;
import java.util.Map;
import java.util.Optional;

/**
 * A delegate to be called by the {@link StatusApiController}}.
 * Implement this interface with a {@link org.springframework.stereotype.Service} annotated class.
 */

public interface StatusApiDelegate {

    Logger log = LoggerFactory.getLogger(StatusApi.class);

    default Optional getObjectMapper(){
        return Optional.empty();
    }

    default Optional getRequest(){
        return Optional.empty();
    }

    default Optional getAcceptHeader() {
        return getRequest().map(r -> r.getHeader("Accept"));
    }

    /**
     * @see StatusApi#getStatus
     */
    default ResponseEntity getStatus() {
        if(getObjectMapper().isPresent() && getAcceptHeader().isPresent()) {
            if (getAcceptHeader().get().contains("application/json")) {
                try {
                    return new ResponseEntity<>(getObjectMapper().get().readValue("{\n  \"startupStatus\" : \"NONE\",\n  \"reason\" : \"reason\",\n  \"readyTime\" : 0,\n  \"apiVersion\" : \"apiVersion\",\n  \"ready\" : true,\n  \"componentName\" : \"componentName\",\n  \"componentVersion\" : \"componentVersion\",\n  \"serviceName\" : \"serviceName\",\n  \"lockssVersion\" : \"lockssVersion\"\n}", ApiStatus.class), HttpStatus.NOT_IMPLEMENTED);
                } catch (IOException e) {
                    log.error("Couldn't serialize response for content type application/json", e);
                    return new ResponseEntity<>(HttpStatus.INTERNAL_SERVER_ERROR);
                }
            }
        } else {
            log.warn("ObjectMapper or HttpServletRequest not configured in default StatusApi interface so no example is generated");
        }
        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
    }

}