我有一个来自Recurly服务的xml,其中包含交易列表。有时它是空的,看起来像这样:
<transactions type="array">
</transactions>
我需要使用Jackson进行反序列化。我已经尝试了下一步映射。
@XmlRootElement(name = "transactions")
public class TransactionObjectListResponse extends ArrayList<TransactionObjectResponse> {
}
在每个交易中使用TransactionObjectResponse类。对于非空集合,它工作正常,但在没有交易的情况下失败。接下来会出现以下消息:
java.lang.IllegalStateException: Missing name, in state: END_ARRAY
at com.fasterxml.jackson.dataformat.xml.deser.FromXmlParser.getCurrentName(FromXmlParser.java:310)
at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserializeFromObject(BeanDeserializer.java:289)
at com.fasterxml.jackson.databind.deser.BeanDeserializer._deserializeOther(BeanDeserializer.java:157)
at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:123)
at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:230)
at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:207)
at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:23)
at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:2888)
at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:2034)
我直接使用了XmlMapper,
xmlMapper.readValue(responseXml, TransactionObjectListResponse.class);
响应实体结构并不是严格规定的,任何帮助都将不胜感激。谢谢。