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[JAVA] 농업기상정보 서비스 API 사용 방법

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농업기상정보 서비스

농업 관련 기상 데이터가 필요하게 되어 공공데이터 포털 사이트의 농업기상정보 API를 사용하여 조회하였다.

Open API 활용 방법

  • 농업기상정보서비스 사이트에 접속한다.
  • 이용방법에 따라 회원가입 후 Open API 신청을 하고 Service Key를 발급받는다.
  • 활용 가이드를 다운로드하여 조회 조건 및 결과 데이터를 이해한다.

농업 기상 데이터 조회

1
http://weather.rda.go.kr/openapi/realtime_openapi_xml.jsp?mberid={id}&regist_ky={발급받은 Service Key}

결과 데이터(XML 형식)

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<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<Root>
    <Info>
        <stncode>380959A001</stncode>
        <stnname>충주시 달천동</stnname>
        <date>2020/07/31 14:50</date>
        <temp_150>28.3℃</temp_150>
        <tmprt_150Top>29.7℃</tmprt_150Top>
        <tmprt_150Lwet>22.5℃</tmprt_150Lwet>
        <tmprt_50>-℃</tmprt_50>
        <tmprt_50Top>-℃</tmprt_50Top>
        <tmprt_50Lwet>-℃</tmprt_50Lwet>
        <tmprt_400>-℃</tmprt_400>
        <tmprt_400Top>-℃</tmprt_400Top>
        <tmprt_400Lwet>-℃</tmprt_400Lwet>
        <hd_150>86.2%</hd_150>
        <hd_150Top>100.0%</hd_150Top>
        <hd_150Lwet>75.6%</hd_150Lwet>
        <hd_50>-%</hd_50>
        <hd_50Top>-%</hd_50Top>
        <hd_50Lwet>-%</hd_50Lwet>
        <hd_400>-%</hd_400>
        <hd_400Top>-%</hd_400Top>
        <hd_400Lwet>-%</hd_400Lwet>
        <wd_300>남동</wd_300>
        <wd_300Top>남</wd_300Top>
        <wd_300Lwet>정온</wd_300Lwet>
        <wd_150>-</wd_150>
        <wd_150Top>-</wd_150Top>
        <wd_150Lwet>-</wd_150Lwet>
        <wd_1000>-</wd_1000>
        <wd_1000Top>-</wd_1000Top>
        <wd_1000Lwet>-</wd_1000Lwet>
        <arvlty_300>1.9</arvlty_300>
        <arvlty_300Top>4.0</arvlty_300Top>
        <arvlty_300Lwet>0.0</arvlty_300Lwet>
        <arvlty_150>-</arvlty_150>
        <arvlty_150Top>-</arvlty_150Top>
        <arvlty_150Lwet>-</arvlty_150Lwet>
        <arvlty_1000>-</arvlty_1000>
        <arvlty_1000Top>-</arvlty_1000Top>
        <arvlty_1000Lwet>-</arvlty_1000Lwet>
        <afp>0.0mm</afp>
        <afv>-mm</afv>
        <sunshnTime>202.0hr</sunshnTime>
        <solradQy>10.4MJ/㎡</solradQy>
        <dwcnTime>0.0hr</dwcnTime>
        <pnwgTp>-hr</pnwgTp>
        <pnwgTpTop>-hr</pnwgTpTop>
        <pnwgTpLwet>-hr</pnwgTpLwet>
        <frfrTp>-℃</frfrTp>
        <frfrTpTop>-℃</frfrTpTop>
        <frfrTpLwet>-℃</frfrTpLwet>
        <udgrHeattCndctvt>-100.0℃</udgrHeattCndctvt>
        <udgrHeattCndctvtTop>-100.0℃</udgrHeattCndctvtTop>
        <udgrHeattCndctvtLwet>-100.0℃</udgrHeattCndctvtLwet>
        <udgrTp_10>-℃</udgrTp_10>
        <udgrTp_10Top>26.1℃</udgrTp_10Top>
        <udgrTp_10Lwet>24.4℃</udgrTp_10Lwet>
        <udgrTp_5>-℃</udgrTp_5>
        <udgrTp_5Top>-℃</udgrTp_5Top>
        <udgrTp_5Lwet>-℃</udgrTp_5Lwet>
        <udgrTp_20>-℃</udgrTp_20>
        <udgrTp_20Top>-℃</udgrTp_20Top>
        <udgrTp_20Lwet>-℃</udgrTp_20Lwet>
        <soilMitr_10>32.5</soilMitr_10>
        <soilMitr_10Top>36.3</soilMitr_10Top>
        <soilMitr_10Lwet>27.3</soilMitr_10Lwet>
        <soilMitr_10Cmst>23.4</soilMitr_10Cmst>
        <soilMitr_10CmstTop>27.2</soilMitr_10CmstTop>
        <soilMitr_10CmstLwet>18.2</soilMitr_10CmstLwet>
        <soilMitr_20>-</soilMitr_20>
        <soilMitr_20Top>-</soilMitr_20Top>
        <soilMitr_20Lwet>-</soilMitr_20Lwet>
        <soilMitr_20Cmst>-</soilMitr_20Cmst>
        <soilMitr_20CmstTop>-</soilMitr_20CmstTop>
        <soilMitr_20CmstLwet>-</soilMitr_20CmstLwet>
        <soilMitr_30>-</soilMitr_30>
        <soilMitr_30Top>-</soilMitr_30Top>
        <soilMitr_30Lwet>-</soilMitr_30Lwet>
        <soilMitr_30Cmst>-</soilMitr_30Cmst>
        <soilMitr_30CmstTop>-</soilMitr_30CmstTop>
        <soilMitr_30CmstLwet>-</soilMitr_30CmstLwet>
    </Info>
</Root>

1) Respone Domain 생성

기본적으로 결과가 XML 형식이므로 javax.xml를 사용하여 도메인을 생성하였다.

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import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
import lombok.Data;

/**
 * 기상청 API로 기상정보 조회할 때 쓰이는 도메인
 *
 * @author hgko
 *
 */
@Data
@XmlRootElement(name = "Root")
@XmlAccessorType(value = XmlAccessType.FIELD)
public class ResponseXml {

  @XmlElement(name = "Info")
  private Info info;

  @Data
  public static class Info {

    /** 지역 코드 */
    private String stncode;

    /** 지역 이름 */
    private String stnname;

    /** 일시 */
    private String date;

    /** 온도(150CM) */
    private String temp_150;

    /** 습도(150CM) */
    private String hd_150;

    /** 풍향(300CM) */
    private String wd_300;

    /** 풍속(300CM) */
    private float arvlty_300;

    /** 강수량 */
    private String afp;

    /** 증발량 */
    private String afv;

    /** 일사량 */
    private String solradQy;

    /** 일조시간 */
    private String sunshnTime;

    /** 토양수분(10CM) */
    private float soilMitr_10;
  }
}

2) 데이터 조회

SpringFramework에서 지원하는 RestTemplate를 사용하여 조회한다.

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private final String BASE_URL = "http://weather.rda.go.kr/openapi/realtime_openapi_xml.jsp";
private final String userId = ""; // Login Id
private final String serviceKey = ""; // 발급받은 Service Key

public void getWeatherData() {
  StringBuilder urlBuilder = new StringBuilder(BASE_URL);
  try {
    urlBuilder.append("?" + URLEncoder.encode("mberid", "UTF-8") + "=" + userId);
    urlBuilder.append("&" + URLEncoder.encode("regist_ky", "UTF-8") + "=" + serviceKey);

    RestTemplate restTemplate = new RestTemplate();
    ResponseXml response = restTemplate.getForObject(urlBuilder.toString(), ResponseXml.class);

    System.out.println(response);
  } catch (Exception e) {
    e.printStackTrace();
  }
}
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