我是Jaxb的新手,並且解析簡單的XML時出現問題。存在問題的XML如下所示:JAXB umarshall例外
<tables>
<table id="1" >
<schema>validator_test</schema>
<name>test1</name>
<rowCountToValidate>6</rowCountToValidate>
<columnTypeCheckRequired>FALSE</columnTypeCheckRequired>
<additionalColumns>column1,column2</additionalColumns>
</table>
<table id="2">
<schema>validator_test</schema>
<name>validate_external1</name>
<rowCountToValidate>2</rowCountToValidate>
<columnTypeCheckRequired>FALSE</columnTypeCheckRequired>
<additionalColumns>column1,column2</additionalColumns>
</table>
<table id="3">
<schema>validator_test</schema>
<name>Test_View1</name>
<rowCountToValidate>2</rowCountToValidate>
<columnTypeCheckRequired>FALSE</columnTypeCheckRequired>
<additionalColumns>column1,column2</additionalColumns>
</table>
</tables>
的JAXB類來解讀是這樣的: -
@XmlRootElement(name = "table")
@XmlType(propOrder = { "name", "schema", "rowCountToValidate","columnTypeCheckRequired","additionalColumns","targetName"})
@Service
public class TableInfo {
private static final boolean TRUE = true;
@Value("${default.row.count.to.validate}")
private Integer defaultRowCountToValidate;
/**
*
*/
public TableInfo() {
}
private String name;
private String schema;
private Integer rowCountToValidate;
private String targetName;
private String columnTypeCheckRequired;
private String additionalColumns;
@XmlElement(name = "name")
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
@XmlElement(name = "schema")
public String getSchema() {
return schema;
}
public void setSchema(String schema) {
this.schema = schema;
}
@XmlElement(name = "rowCountToValidate")
public Integer getRowCountToValidate() {
return rowCountToValidate;
}
@XmlElement(name = "columnTypeCheckRequired")
public String getColumnTypeCheckRequired() {
return columnTypeCheckRequired;
}
public void setColumnTypeCheckRequired(String columnTypeCheckRequired) {
this.columnTypeCheckRequired = columnTypeCheckRequired;
}
@XmlElement(name = "additionalColumns")
public String getAdditionalColumns() {
return additionalColumns;
}
public void setAdditionalColumns(String additionalColumns) {
this.additionalColumns = additionalColumns;
}
public void setRowCountToValidate(Integer rowCountToValidate) {
// If user configured value is not null and greater than zero then set
// the value otherwise use default value
if ((null != rowCountToValidate) && (rowCountToValidate.intValue() > 0)) {
this.rowCountToValidate = rowCountToValidate;
}else {
this.rowCountToValidate = defaultRowCountToValidate;
}
}
@XmlElement(name = "targetName")
public String getTargetName() {
return targetName;
}
public void setTargetName(String targetName) {
this.targetName = targetName;
}
@Override
public String toString() {
return ToStringBuilder.reflectionToString(this);
}
}
不過,我ggetting以下異常: -
`JAXB unmarshalling exception; nested exception is javax.xml.bind.UnmarshalException: unexpected element (uri:"", local:"tables"). Expected elements are <{tables}table>`
我會非常感謝,如果有人能指出我正在做的錯誤。我對此很陌生,而且真的無法理解jaxb是如何工作的。
首先爲您的XML獲取'XSD',然後'生成POJO '從那個'XSD',然後去取消/編組XML。僅供參考..你的根元素應該是'表'和'不是表' – Swaraj
@Swaraj沒有必要XSD和它的編譯。你可以手動編寫和註釋POJO。 – lexicore
@lexicore正確。我正在以傳統的方式去。 – Swaraj