[英]Java - Getting a ElementList attribute with SimpleXML (Android/Retrofit)
[英]Android - SimpleXML framework cannot parse @ElementList
我正在使用SimpleXML框架来解析我的Android应用程序中的xmls。 我有一个问题,正确解析@ElementList
。
xml的一个片段:
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<SaleToPOIResponse>
<MessageHeader (...) />
<ReconciliationResponse ReconciliationType="SaleReconciliation">
<Response Result="Success"/>
<TransactionTotals PaymentInstrumentType="Card">
<PaymentTotals TransactionType="Debit" TransactionCount="182" TransactionAmount="4.17"/>
<PaymentTotals TransactionType="Credit" TransactionCount="1" TransactionAmount="2.01"/>
</TransactionTotals>
</ReconciliationResponse>
</SaleToPOIResponse>
我的课看起来:
ReconciliationResponseType.java:
@Root
@Order(elements = {
"Response",
"TransactionTotals"
})
public class ReconciliationResponseType {
@Element(name = "Response", required = true)
protected ResponseType response;
@ElementList(name = "TransactionTotals", inline = true, required = false)
protected List<TransactionTotalsType> transactionTotals;
@Attribute(name = "ReconciliationType", required = true)
protected String reconciliationType;
// getters and setters
}
TransactionTotalsType.java:
@Root
@Order(elements = {
"PaymentTotals",
"LoyaltyTotals"
})
public class TransactionTotalsType {
@ElementList(name = "PaymentTotals", inline = true, required = false)
protected List<PaymentTotalsType> paymentTotals;
@Attribute(name = "PaymentInstrumentType", required = true)
protected String paymentInstrumentType;
// getters and setters
}
我用方法解析它:
public static SaleToPOIResponse fromXMLString(String xmlResponse) {
Reader reader = new StringReader(xmlResponse);
Serializer serializer = new Persister();
try {
SaleToPOIResponse response = serializer.read(SaleToPOIResponse.class, reader, false);
return response;
} catch (Exception e) {
Log.e(TAG, "Exception during parsing String XML to SaleToPOIResponse: ", e);
}
return null;
}
但每次我得到一个异常时,缺少有序元素'TransactionTotals',即使1)它不是必需的2)它确实存在于解析的xml中
org.simpleframework.xml.core.ElementException: Ordered element 'TransactionTotals' missing for class pl.novelpay.epas.generated.saletopoimessages.ReconciliationResponseType
当我从@Order评论'TransactionTotals'时,xml被解析而没有异常,但结果中的TransactionTotals是空的。 我在这里错过了什么?
我在这里阅读类似问题的答案时发现了什么问题: https : //sourceforge.net/p/simple/mailman/message/25699359/
我正在使用entry
name
。 所以ElementList属性应如下所示:
@ElementList(entry= "PaymentTotals", inline = true, required = false)
protected List<PaymentTotalsType> paymentTotals;
现在它完美无缺。
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