XML 데이터를 Java 객체로 변환하기 (feat. JAXB)

<?xml version="1.0" encoding="utf-8" ?>
<stockprice querytime="2019-06-03 14:18:12" >
	<TBL_DailyStock>
		<DailyStock day_Date="19/06/03" day_EndPrice="115,000" day_Dungrak="2" day_getDebi="3,500" day_Start="113,000" day_High="115,000" day_Low="112,000" day_Volume="270,570" day_getAmount="30,831,869,000"/>
		<DailyStock day_Date="19/05/31" day_EndPrice="111,500" day_Dungrak="5" day_getDebi="500" day_Start="111,500" day_High="112,500" day_Low="110,000" day_Volume="310,649" day_getAmount="34,620,804,500"/>
		<DailyStock day_Date="19/05/30" day_EndPrice="112,000" day_Dungrak="2" day_getDebi="2,500" day_Start="110,000" day_High="114,000" day_Low="109,500" day_Volume="378,379" day_getAmount="42,526,903,757"/>
		<DailyStock day_Date="19/05/29" day_EndPrice="109,500" day_Dungrak="2" day_getDebi="1,000" day_Start="109,000" day_High="111,000" day_Low="108,500" day_Volume="515,196" day_getAmount="56,529,874,000"/>
		<DailyStock day_Date="19/05/28" day_EndPrice="108,500" day_Dungrak="5" day_getDebi="2,000" day_Start="109,500" day_High="112,500" day_Low="108,500" day_Volume="1,490,526" day_getAmount="162,354,790,344"/>
		<DailyStock day_Date="19/05/27" day_EndPrice="110,500" day_Dungrak="5" day_getDebi="3,000" day_Start="112,500" day_High="113,000" day_Low="109,500" day_Volume="369,902" day_getAmount="41,005,007,000"/>
		<DailyStock day_Date="19/05/24" day_EndPrice="113,500" day_Dungrak="2" day_getDebi="500" day_Start="113,000" day_High="115,000" day_Low="112,500" day_Volume="408,081" day_getAmount="46,387,229,000"/>
		<DailyStock day_Date="19/05/23" day_EndPrice="113,000" day_Dungrak="3" day_getDebi="0" day_Start="112,500" day_High="114,000" day_Low="110,000" day_Volume="545,497" day_getAmount="61,145,647,703"/>
		<DailyStock day_Date="19/05/22" day_EndPrice="113,000" day_Dungrak="5" day_getDebi="1,500" day_Start="115,000" day_High="115,000" day_Low="111,000" day_Volume="567,069" day_getAmount="64,006,105,000"/>
		<DailyStock day_Date="19/05/21" day_EndPrice="114,500" day_Dungrak="5" day_getDebi="4,000" day_Start="117,500" day_High="119,500" day_Low="113,500" day_Volume="603,105" day_getAmount="70,058,497,000"/>
	</TBL_DailyStock>
	<TBL_AskPrice>
		<AskPrice member_memdoMem="미래에셋대우" member_memdoVol="55,036" member_memsoMem="모간서울" member_mesuoVol="51,883"/>
		<AskPrice member_memdoMem="키움증권" member_memdoVol="22,730" member_memsoMem="메릴린치" member_mesuoVol="26,117"/>
		<AskPrice member_memdoMem="NH투자증권" member_memdoVol="19,927" member_memsoMem="에스지" member_mesuoVol="15,435"/>
		<AskPrice member_memdoMem="모간서울" member_memdoVol="16,103" member_memsoMem="씨엘" member_mesuoVol="13,549"/>
		<AskPrice member_memdoMem="CS증권" member_memdoVol="15,608" member_memsoMem="미래에셋대우" member_mesuoVol="13,470"/>
	</TBL_AskPrice>
	<TBL_StockInfo JongName="NAVER보통주" CurJuka="115,000" DungRak="2" Debi="3,500" PrevJuka="111,500" Volume="270,570" Money="30,831,869,000" StartJuka="113,000" HighJuka="115,000" LowJuka="112,000" High52="782,000" Low52="106,500" UpJuka="144,500" DownJuka="78,500" Per="25.92" Amount="164,813,395" FaceJuka="100" />
	<TBL_Hoga mesuJan0="3,709" mesuHoka0="113,500" mesuJan1="5,714" mesuHoka1="113,000" mesuJan2="3,504" mesuHoka2="112,500" mesuJan3="4,100" mesuHoka3="112,000" mesuJan4="3,813" mesuHoka4="111,500" medoJan0="4,389" medoHoka0="116,000" medoJan1="5,532" medoHoka1="115,500" medoJan2="14,353" medoHoka2="115,000" medoJan3="6,572" medoHoka3="114,500" medoJan4="734" medoHoka4="114,000"/>
	<TBL_TimeConclude>
		<TBL_TimeConclude time="14:18:20" negoprice="115,000" Dungrak="2" Debi="3,500" sellprice="115,000" buyprice="114,500" amount="4"/>
		<TBL_TimeConclude time="14:18:10" negoprice="114,500" Dungrak="2" Debi="3,000" sellprice="115,000" buyprice="114,500" amount="80"/>
		<TBL_TimeConclude time="14:18:00" negoprice="115,000" Dungrak="2" Debi="3,500" sellprice="115,000" buyprice="114,500" amount="108"/>
		<TBL_TimeConclude time="14:17:50" negoprice="115,000" Dungrak="2" Debi="3,500" sellprice="115,000" buyprice="114,500" amount="95"/>
		<TBL_TimeConclude time="14:17:40" negoprice="115,000" Dungrak="2" Debi="3,500" sellprice="115,000" buyprice="114,500" amount="216"/>
		<TBL_TimeConclude time="14:17:30" negoprice="114,500" Dungrak="2" Debi="3,000" sellprice="115,000" buyprice="114,500" amount="17"/>
		<TBL_TimeConclude time="14:17:20" negoprice="114,500" Dungrak="2" Debi="3,000" sellprice="115,000" buyprice="114,500" amount="15"/>
		<TBL_TimeConclude time="14:17:10" negoprice="114,500" Dungrak="2" Debi="3,000" sellprice="115,000" buyprice="114,500" amount="39"/>
		<TBL_TimeConclude time="14:17:00" negoprice="114,500" Dungrak="2" Debi="3,000" sellprice="115,000" buyprice="114,500" amount="451"/>
		<TBL_TimeConclude time="14:16:50" negoprice="115,000" Dungrak="2" Debi="3,500" sellprice="115,000" buyprice="114,500" amount="503"/>
		</TBL_TimeConclude>
	<stockInfo kosdaqJisu="697.33" kosdaqJisuBuho="2" kosdaqJisuDebi="0.86" starJisu="1328.27" starJisuBuho="2" starJisuDebi="10.63" jisu50="" jisu50Buho="" jisu50Debi="" myNowTime="2019/06/03 14:18:15" myJangGubun="장중" myPublicPrice="" krx100Jisu="4319.08" krx100buho="2" krx100Debi="60.71" kospiJisu="2063.14" kospiBuho="2" kospiDebi="21.40" kospi200Jisu="267.55" kospi200Buho="2" kospi200Debi="3.66"/>
</stockprice>

<stockprice querytime="2019-05-22 15:19:56">

    <TBL_DailyStock>
        <DailyStock day_Date="19/05/22" day_EndPrice="113,000" day_Dungrak="5" day_getDebi="1,500" day_Start="115,000" day_High="115,000" day_Low="111,000" day_Volume="521,770" day_getAmount="58,887,446,500"/>
        <DailyStock day_Date="19/05/21" day_EndPrice="114,500" day_Dungrak="5" day_getDebi="4,000" day_Start="117,500" day_High="119,500" day_Low="113,500" day_Volume="603,105" day_getAmount="70,058,497,000"/>
        <DailyStock day_Date="19/05/20" day_EndPrice="118,500" day_Dungrak="5" day_getDebi="2,500" day_Start="121,500" day_High="121,500" day_Low="118,000" day_Volume="449,916" day_getAmount="53,573,016,000"/>
        <DailyStock day_Date="19/05/17" day_EndPrice="121,000" day_Dungrak="2" day_getDebi="2,000" day_Start="120,000" day_High="123,500" day_Low="118,500" day_Volume="439,545" day_getAmount="53,184,383,000"/>
        <DailyStock day_Date="19/05/16" day_EndPrice="119,000" day_Dungrak="5" day_getDebi="1,000" day_Start="120,500" day_High="121,000" day_Low="118,000" day_Volume="484,468" day_getAmount="57,871,810,000"/>
        <DailyStock day_Date="19/05/15" day_EndPrice="120,000" day_Dungrak="5" day_getDebi="2,000" day_Start="121,500" day_High="123,000" day_Low="120,000" day_Volume="460,936" day_getAmount="55,811,604,000"/>
        <DailyStock day_Date="19/05/14" day_EndPrice="122,000" day_Dungrak="5" day_getDebi="500" day_Start="121,000" day_High="123,500" day_Low="119,500" day_Volume="532,037" day_getAmount="64,845,489,250"/>
        <DailyStock day_Date="19/05/13" day_EndPrice="122,500" day_Dungrak="3" day_getDebi="0" day_Start="121,500" day_High="124,000" day_Low="121,500" day_Volume="343,827" day_getAmount="42,101,773,000"/>
        <DailyStock day_Date="19/05/10" day_EndPrice="122,500" day_Dungrak="2" day_getDebi="3,500" day_Start="120,500" day_High="123,000" day_Low="120,000" day_Volume="474,352" day_getAmount="57,723,276,000"/>
        <DailyStock day_Date="19/05/09" day_EndPrice="119,000" day_Dungrak="5" day_getDebi="4,500" day_Start="122,500" day_High="124,000" day_Low="119,000" day_Volume="799,208" day_getAmount="95,972,050,550"/>
    </TBL_DailyStock>

    <TBL_StockInfo
        JongName="NAVER보통주"
        CurJuka="113,000"
        StockDungRak="5"
        Debi="1,500"
        PrevJuka="114,500"
        Volume="521,770"
        Money="58,887,446,500"
        StartJuka="115,000"
        HighJuka="115,000"
        LowJuka="111,000"
        High52="782,000"
        Low52="106,500"
        UpJuka="148,500"
        DownJuka="80,500"
        Per="25.47"
        Amount="164,813,395"
        FaceJuka="100" />

</stockprice>

/**
 * <stockprice querytime="...">
 *     <TBL_DailyStock></TBL_DailyStock>
 *     <TBL_StockInfo></TBL_StockInfo>
 * </stockprice>
 */
@Getter
@ToString
@XmlRootElement(name = "stockprice")
public class StockPrice {

    @XmlAttribute(name = "querytime")
    private String querytime;

    @XmlElement(name = "TBL_DailyStock")
    private TBL_DailyStock tbl_dailyStock;

    @XmlElement(name = "TBL_StockInfo")
    private TBL_StockInfo tbl_stockInfo;
    
    // 예외처리, 유효성검증 관련 코드 생략

    @Getter
    @ToString
    @XmlRootElement(name = "TBL_DailyStock")
    public static class TBL_DailyStock {

        @XmlElement(name = "DailyStock")
        private List<DailyStock> dailyStocks;

	    // 예외처리, 유효성검증 관련 코드 생략
    }

    @Getter
    @ToString
    @XmlRootElement(name = "TBL_StockInfo")
    public static class TBL_StockInfo {

        @XmlAttribute(name = "JongName")
        private String jongName;

        @XmlAttribute(name = "CurJuka")
        private String curJuka;

        private String dungRak;

        @XmlAttribute(name = "DungRak")
        public void setDungRak(String dungRak) {

            if("2".equals(dungRak)) {
                this.dungRak = StockDungRak.UP.getName();
            } else if("3".equals(dungRak)) {
                this.dungRak = StockDungRak.FLAT.getName();
            } else if("5".equals(dungRak)) {
                this.dungRak = StockDungRak.DOWN.getName();
            }
        }
	    // 이하 필드 생략
        // 예외처리, 유효성검증 관련 코드 생략
    }
}

...

@XmlRootElement(name = "TBL_DailyStock")
    public static class TBL_DailyStock {

        @XmlElement(name = "DailyStock")
        private List<DailyStock> dailyStocks;

    }

...

/**
 * <stockprice>
 *     <TBL_DailyStock>
 *         <DailyStock></DailyStock>
 *         <DailyStock></DailyStock>
 *         ...
 *     </TBL_DailyStock>
 * </stockprice>
 */
@Getter
@ToString
@XmlRootElement(name = "DailyStock")
public class DailyStock {

    @XmlAttribute(name = "day_Date")
    private String day_Date;

    @XmlAttribute(name = "day_EndPrice")
    private String day_EndPrice;

    private String day_getAmount;

    @XmlAttribute(name = "day_getAmount")
    public void setDay_getAmount(String day_getAmount) {

        // 거래대금(백만) 단위 절삭
        Long digit = Long.parseLong(day_getAmount.replaceAll(",", "")) / 1000000;
        this.day_getAmount = String.format("%,d", digit); // "%,d", it tells the method to put comma separator for each 3 digits
    }
    
    // ... 이하 필드 생략
}

@Controller("/ir_stock")
public Map<String, StockPrice> krxParser(HttpServletRequest request) {

    Map<String, StockPrice> map = new HashMap<>();

    try {
        String html = StockUtil.getHtml("http://asp1.krx.co.kr/servlet/krx.asp.XMLSise?code=035420"); // 035420 = 네이버의 종목코드

        JAXBContext jaxbContext = JAXBContext.newInstance(StockPrice.class); // JAXB Context 생성
        Unmarshaller unmarshaller = jaxbContext.createUnmarshaller(); // Unmarshaller Object 생성
        StockPrice stockPrice = (StockPrice) unmarshaller.unmarshal(new StringReader(html)); // unmarshall 메소드 호출

        stockPrice.validation();
        map.put("stockprice", stockPrice);

        return map;

    } catch (JAXBException | IOException e) {
        logger.error("KRX API 예외 발생", e);
        map.put("stockprice", StockPrice.emptyStockPrice()); // 예외 발생 시, 빈 객체 반환
        return map;
    }
}

public static String getHtml(String url) throws IOException {

    URL targetUrl = new URL(url);

    try (BufferedReader reader = new BufferedReader(new InputStreamReader(targetUrl.openStream()))){
        StringBuffer html = new StringBuffer();
        String tmp;

        while ((tmp = reader.readLine()) != null) {
            html.append(tmp);
        }

        return html.toString();
    }
}

/**
 *
 * API에서는
 * 상승 = "2"
 * 변화없음 = "3"
 * 하락 = "5"
 */
public enum StockDungRak {

    FLAT("flat"),
    UP("up"),
    DOWN("down");

    private String name;

    StockDungRak(String name) {
        this.name = name;
    }

    public String getName() {
        return this.name;
    }
}