[英]How do I get JAXB to choose enum?
我正在嘗試將XML文本轉換為Java對象,但是prQueryStatus
XML屬性中有一個數字。 Java字段的類型是一個enum
。 JAXB是否可以選擇我的enum
?
Strxml:
<custom prQueryStatus="1" ></custom>
錯誤的行:
CustAttrPrQuery custom = (CustAttrPrQuery)XmlOperations.deserializeFromXML(CustAttrPrQuery.class, strXmlCustom);
XmlOperations.deserializeFromXML():
public static Object deserializeFromXML(Class obj, String strXml) {
Object result = null;
JAXBContext jaxbContext;
try {
jaxbContext = JAXBContext.newInstance(obj);
Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
StringReader reader = new StringReader(strXml);
result = unmarshaller.unmarshal(reader);
return result;
} catch (JAXBException e) {
return new String("-3 JAXB deSerialize Error");
}
}
CustAttrPrQuery:
@XmlAccessorType(javax.xml.bind.annotation.XmlAccessType.FIELD)
@XmlRootElement(name = CustAttrPrQuery.RootElement)
public class CustAttrPrQuery {
public final static String RootElement = "custom";
@javax.xml.bind.annotation.XmlAttribute
private PrQueryStatus prQueryStatus = PrQueryStatus.NONE;
public PrQueryStatus getPrQueryStatus() {
return prQueryStatus;
}
public void setPrQueryStatus(PrQueryStatus prQueryStatus) {
this.prQueryStatus = prQueryStatus;
}
}
枚舉:
public enum PrQueryStatus {
NONE,
ACIK,
TUMU
}
您需要使用您的注釋枚舉類型@XmlEnum
及其與常量@XmlEnumValue
,使JAXB將知道如何從XML屬性映射( "0"
, "1"
, "2"
),以枚舉常數( NONE
, ACIK
, TUMU
):
@XmlEnum
public enum PrQueryStatus {
@XmlEnumValue("0") NONE,
@XmlEnumValue("1") ACIK,
@XmlEnumValue("2") TUMU
}
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