org.lockss.laaws.mdq.api.MetadataApiDelegate Maven / Gradle / Ivy

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LOCKSS Metadata Service
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package org.lockss.laaws.mdq.api;

import org.lockss.laaws.mdq.model.AuMetadataPageInfo;
import org.lockss.laaws.mdq.model.ErrorResult;
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 MetadataApiController}}.
 * Implement this interface with a {@link org.springframework.stereotype.Service} annotated class.
 */

public interface MetadataApiDelegate {

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

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

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

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

    /**
     * @see MetadataApi#getMetadataAusAuid
     */
    default ResponseEntity getMetadataAusAuid( String  auid,
         Integer  limit,
         String  continuationToken) {
        if(getObjectMapper().isPresent() && getAcceptHeader().isPresent()) {
            if (getAcceptHeader().get().contains("application/json")) {
                try {
                    return new ResponseEntity<>(getObjectMapper().get().readValue("{\n  \"pageInfo\" : {\n    \"curLink\" : \"curLink\",\n    \"resultsPerPage\" : 6,\n    \"totalCount\" : 0,\n    \"continuationToken\" : \"continuationToken\",\n    \"nextLink\" : \"nextLink\"\n  },\n  \"items\" : [ {\n    \"scalarMap\" : {\n      \"key\" : \"scalarMap\"\n    },\n    \"listMap\" : {\n      \"key\" : [ \"listMap\", \"listMap\" ]\n    },\n    \"setMap\" : {\n      \"key\" : [ \"setMap\", \"setMap\" ]\n    },\n    \"mapMap\" : {\n      \"key\" : {\n        \"key\" : \"mapMap\"\n      }\n    }\n  }, {\n    \"scalarMap\" : {\n      \"key\" : \"scalarMap\"\n    },\n    \"listMap\" : {\n      \"key\" : [ \"listMap\", \"listMap\" ]\n    },\n    \"setMap\" : {\n      \"key\" : [ \"setMap\", \"setMap\" ]\n    },\n    \"mapMap\" : {\n      \"key\" : {\n        \"key\" : \"mapMap\"\n      }\n    }\n  } ]\n}", AuMetadataPageInfo.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 MetadataApi interface so no example is generated");
        }
        return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
    }

}