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问使用Jackson XML为具有相同标记的多个元素使用XML创建JAVA对象
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Stack Overflow用户

提问于 2022-03-07 19:53:49

回答 1查看 282关注 0票数 0

我有以下XML结构，用于创建Java对象。

<TABLE NAME="AB" ID="10" CODE="ABC123" RANK="102" YEAR="2022"
       TIMESTAMP="2021-05-11-16.19.44.572000">
    <TABLE NAME="CD">
        <ROW CODE="BCD456" SERIAL="A" ORDER="1" DESCRIPTION_1="TEST1"
             DESCRIPTION_2="TEST2 19" DESCRIPTION_3="TEST 3" STATUS_CODE="496" STATUS_INDICATOR="J"
             PRODUCT_NAME="SHIP ">
            <TABLE NAME="CD1">
                <ROW CD1_CODE=" 11N" CD1_DESCRIPTION="T"/>
                <ROW CD1_CODE=" 2KA" CD1_DESCRIPTION="T"/>
            </TABLE>
            <TABLE NAME="CD2">
                <ROW CD2_CODE="11" CD2_DESCRIPTION="----"/>
                <ROW CD2_CODE="12" CD2_DESCRIPTION="----"/>
                <ROW CD2_CODE="35" CD2_DESCRIPTION="----"/>
            </TABLE>
            <TABLE NAME="CD3"/>
        </ROW>
    </TABLE>
    <TABLE NAME="EF" CODE="EFG789">
        <ROW FILE="1" FILE_NAME="TEST.pdf" TIMESTAMP="2021-06-22T08:32:08.055854">
            <FILE_DATA>TESTDATA</FILE_DATA>
        </ROW>
    </TABLE>
</TABLE>

我已经创建了一个XMLMapper，如下所示，它从Java检索值。对我来说，主要的问题是当我在同一个父元素下的XML中有多个<TABLE>元素时。

在第一个场景中，<TABLE NAME="AB">有两个子表<TABLE NAME="CD">和<TABLE NAME="EF">。

在第二个场景中，<TABLE NAME="CD">有三个子表<TABLE NAME="CD1">、<TABLE NAME="CD2">和<TABLE NAME="CD3">以及后续的数据<ROW>。

我试图使用下面提供的XMLMapper代码以及相关的Java类来存储来自XML的相关数据。我能够为<TABLE NAME = "CD1">及其子元素<ROW>验证存储在映射器中的数据

我已经尝试过在这个post中给出的答案，但是它并不完全适用于我的场景。

现在，我正在尝试从<TABLE NAME = "CD2">和`中检索和存储元素。这就是我收到一个错误声明的地方

Multiple fields representing property "TABLE": createcsv.elements.CDRow#cd1Table vs createcsv.elements.CDRow#cd2Table

XMLMapperApp.java

public class XmlMapperApp {

    public static void main(String[] args) {
        try {
            File xmlFile = new File("./resource/test.xml").getAbsoluteFile();
            XmlMapper xmlMapper = new XmlMapper();
            xmlMapper.disable(DeserializationFeature.FAIL_ON_IGNORED_PROPERTIES);
            EmployeeXML employeeXML = xmlMapper.readValue(xmlFile, EmployeeXML.class);
        } catch (Exception ex) {
            System.out.println(ex.getMessage());
        }
    }
}

EmployeeXML.java

@AllArgsConstructor
@NoArgsConstructor
@JacksonXmlRootElement(localName = "TABLE")
public class EmployeeXML {

    @JacksonXmlProperty(isAttribute = true, localName = "NAME")
    private String name;

    @JacksonXmlProperty(isAttribute = true, localName =  "ID")
    private String id;

    @JacksonXmlProperty(isAttribute = true, localName = "CODE")
    private String code;

    @JacksonXmlProperty(isAttribute = true, localName = "RANK")
    private String rank;

    @JacksonXmlProperty(isAttribute = true, localName = "YEAR")
    private String year;
    @JacksonXmlProperty(isAttribute = true, localName =  "TIMESTAMP")
    private String timestamp;

    @JacksonXmlProperty(localName = "TABLE")
    private CDTable cdTable;

    @JacksonXmlProperty(localName = "TABLE")
    private EFTable efTable;
}

RowElement.java

public interface RowElement {
}

CDTable.java

@NoArgsConstructor
@AllArgsConstructor
@JacksonXmlRootElement(localName = "TABLE")
public class CDTable {
    @JacksonXmlProperty(isAttribute = true, localName = "NAME")
    private String name;

    @JacksonXmlProperty(localName = "ROW")
    private CDRow cdRow;
}

CDRow.java

@NoArgsConstructor
@AllArgsConstructor
@JacksonXmlRootElement(localName = "ROW")
public class CDRow implements RowElement {

    @JacksonXmlProperty(isAttribute = true, localName ="CODE")
    private String code;
    @JacksonXmlProperty(isAttribute = true, localName ="SERIAL")
    private String serial;
    @JacksonXmlProperty(isAttribute = true, localName ="ORDER")
    private String order;
    @JacksonXmlProperty(isAttribute = true, localName ="DESCRIPTION_1")
    private String benennung1;
    @JacksonXmlProperty(isAttribute = true, localName ="DESCRIPTION_2")
    private String benennung2;
    @JacksonXmlProperty(isAttribute = true, localName ="DESCRIPTION_3")
    private String benennung3;
    @JacksonXmlProperty(isAttribute = true, localName ="STATUS_CODE")
    private String statusCode;
    @JacksonXmlProperty(isAttribute = true, localName ="STATUS_INDICATOR")
    private String statusIndicator;
    @JacksonXmlProperty(isAttribute = true, localName ="PRODUCT_NAME")
    private String productName;

    @JacksonXmlProperty(localName = "TABLE")
    private CD1Table cd1Table;
    @JacksonXmlProperty(localName = "TABLE")
    private CD2Table cd2Table;
    @JacksonXmlProperty(localName = "TABLE")
    private CD3Table cd3Table;
}

CD1Table.java

@NoArgsConstructor
@AllArgsConstructor
@JacksonXmlRootElement(localName = "TABLE")
public class CD1Table {
    @JacksonXmlProperty(isAttribute = true, localName = "NAME")
    private String name;

    @JacksonXmlProperty(localName = "ROW")
    private List<CDRow> cd1Row;
}

CD1Row.java

@NoArgsConstructor
@AllArgsConstructor
@JacksonXmlRootElement(localName = "ROW")
public class CD1Row implements RowElement {
    @JacksonXmlProperty(isAttribute = true, localName ="CD1_CODE")
    private String cd1Code;
    @JacksonXmlProperty(isAttribute = true, localName ="CD1_DESCRIPTION")
    private String cd1Description;
}

CD2Table.java

@NoArgsConstructor
@AllArgsConstructor
@JacksonXmlRootElement(localName = "TABLE")
public class CD2Table {
    @JacksonXmlProperty(isAttribute = true, localName = "NAME")
    private String name;
    @JacksonXmlProperty(localName = "ROW")
    private List<CD2Row> cd2Row;
}

CD2Row.java

@NoArgsConstructor
@AllArgsConstructor
@JacksonXmlRootElement(localName = "ROW")
public class CD2Row implements RowElement {
    @JacksonXmlProperty(isAttribute = true, localName ="CD2_CODE")
    private String cd2Code;
    @JacksonXmlProperty(isAttribute = true, localName ="CD2_DESCRIPTION")
    private String cd2Description;
    @JacksonXmlProperty(localName = "TABLE")
    private CD3Table cd3Table;
}

CD3Table.java

@NoArgsConstructor
@AllArgsConstructor
@JacksonXmlRootElement(localName = "TABLE")
public class CD3Table {
    @JacksonXmlProperty(isAttribute = true, localName = "NAME")
    private String name;
}

EFTable.java

@NoArgsConstructor
@AllArgsConstructor
@JacksonXmlRootElement(localName = "TABLE")
public class EFTable {
    @JacksonXmlProperty(isAttribute = true, localName = "NAME")
    private String name;
    @JacksonXmlProperty(isAttribute = true, localName = "CODE")
    private String code;
    @JacksonXmlProperty(localName = "ROW")
    private EFRow efRow;
}

EFRow.java

@NoArgsConstructor
@AllArgsConstructor
@JacksonXmlRootElement(localName = "ROW")
public class EFRow implements RowElement {
    @JacksonXmlProperty(isAttribute = true, localName ="FILE")
    private String file;
    @JacksonXmlProperty(isAttribute = true, localName ="FILE_NAME")
    private String fileName;
    @JacksonXmlProperty(isAttribute = true, localName ="TIMESTAMP")
    private String timestamp;
    @JacksonXmlProperty(localName ="FILE_DATA")
    private String fileData;
}

我想知道是否有可能与上述其他类似方案一起解决这一情况，谢谢。

java

xml

jackson

jaxb

回答 1

Stack Overflow用户

发布于 2022-05-09 11:45:19

主表包含表，内表包含行。相同的标记有不同的结构，这是不可能的。为内部表创建包装表，仅此而已

票数 0

页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持

原文链接：

https://stackoverflow.com/questions/71386557

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