如何使用SnakeCase将JAVA POJO类转换为Scala Case类

Question

在Scala中，我正在尝试从Java POJO类转换为Scala Case类。请在下面找到详细信息：

//Java POJO Response Class
@JsonIgnoreProperties(ignoreUnknown = true)
public class IncidentResponse {
private String issueType;
private List<OrderDetailResponse> orderDetails;
//GETTER and SETTERs}

@JsonIgnoreProperties(ignoreUnknown = true)
public class OrderDetailResponse {
private String orderId;
private String orderItemId;
//GETTER and SETTERs
public List<OrderDetailResponse> getOrderDetails() {return this.orderDetails;}}


//Scala Case Class
@JsonNaming(classOf[SnakeCaseStrategy])
@JsonIgnoreProperties(ignoreUnknown = true)
case class IncidentDetails(issueType: String,
                           orderDetails: List[OrderDetailResponse]) 
//OrderDetailResponse is from the Scala Case Class

@JsonNaming(classOf[SnakeCaseStrategy])
@JsonIgnoreProperties(ignoreUnknown = true)
case class OrderDetailResponse(orderId:String,
                               orderItemId:String)

我已经尝试了以下方法来转换SnakeCase中的数据 -

变量“data”包含JAVA POJO Class的IncidentResponse

1. 使用asInstanceof List [Map]然后使用Object Mapper将其转换为OrderDetailResponse

val orderDetails = data.getOrderDetails.asInstanceOf[List[Map[String, Any]]].map(p => (mapper.convertValue(p, typeReference[OrderDetailResponse](tTag)).asInstanceOf[OrderDetailResponse].get)) IncidentDetails(data.getIssueType,orderDetails)

得到错误 - java.util.ArrayList无法强制转换为scala.collection.immutable.List

1. 尝试转换List [Map [Object，Object]]：

   val scalaList =data.getOrderDetails.asScala.toList.asInstanceOf[List[Map[Object,Object]]] IncidentDetails(data.getIssueType, scalaList.asInstanceOf[List[OrderDetailResponse]])

没有得到任何错误，但它没有转换为OrderDetailResponse的SnakeCase但是issType被转换为SnakeCase

1. 如果我从POJO类中单独分配值，那么它将起作用，如果我有许多字段，那么它将导致许多代码行，因此如何从Java POJO类转换为Scala案例类的SnakeCase。 / p>

   IncidentDetails(data.getIssueType, data.getOrderDetails.asScala.head.map(orderResp => OrderDetailResponse(orderResp.getOrderId,orderResp.getOrderItemId) )