如何解决如何使用gson使用ISODate从mongodb json获取对象?
我正在尝试使用gson从mongo数据库中获取对象。 我对String和Double对象没有任何问题,但是我无法解决获取ISODate对象的问题。
我得到的错误是:
FullStackTrace of the exception: com.google.gson.JsonSyntaxException: 1597169580000
at com.google.gson.internal.bind.DateTypeAdapter.deserializetoDate(DateTypeAdapter.java:81)
at com.google.gson.internal.bind.DateTypeAdapter.read(DateTypeAdapter.java:66)
at com.google.gson.internal.bind.DateTypeAdapter.read(DateTypeAdapter.java:41)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.read(ReflectiveTypeAdapterFactory.java:93)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:172)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.read(ReflectiveTypeAdapterFactory.java:93)
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:172)
at com.google.gson.Gson.fromJson(Gson.java:795)
at com.google.gson.Gson.fromJson(Gson.java:761)
at com.google.gson.Gson.fromJson(Gson.java:710)
at com.google.gson.Gson.fromJson(Gson.java:682)
json是这个:
{
"_id" : ObjectId("5f6318cc3ef61975aeb4f4fa"),"g_country_id" : "ES","gf_entity_id" : "0182","gf_customer_id" : "000000001","gf_atrb_base_rgtry_parttn_id" : "20200811181300","gf_atrb_cession_date" : ISODate("2020-08-11T18:13:00.000Z"),"gf_user_audit_id" : "MANUAL","gf_audit_date" : ISODate("2020-08-11T18:14:00.000Z")
}
用Java获取的文档是
DocumentWrapper{{"_id": {"$oid": "5f6318cc3ef61975aeb4f4fa"},"g_country_id": "ES","gf_entity_id": "0182","gf_customer_id": "000000001","gf_atrb_base_rgtry_parttn_id": "20200811181300","gf_atrb_cession_date": {"$date": 1597169580000},"gf_user_audit_id": "MANUAL","gf_audit_date": {"$date": 1597169640000}}}
Gson gson = new GsonBuilder().setDateFormat("yyyy-MM-dd'T'HH:mm:SSSX").create();
InputDTO input = gson.fromJson(document.toJson(),InputDTO.class);
这些是DTO:
public class InputDTO implements Serializable {
@Serializedname("g_country_id")
private String gCountryId;
@Serializedname("gf_entity_id")
private String gfEntityId;
@Serializedname("gf_customer_id")
private String gfCustomerId;
@Serializedname("gf_atrb_base_rgtry_parttn_id")
private String gfAtrbBaseRgtryParttnId;
@Serializedname("gf_atrb_cession_date")
private ISODateDTO gfAtrbCessionDate;
@Serializedname("gf_user_audit_id")
private String gfUserAuditId;
@Serializedname("gf_audit_date")
private ISODateDTO gfAuditDate;
}
public class ISODateDTO implements Serialize{
@Serializedname("$date")
private Date date;
public Date getDate() {
return date;
}
public void setDate(Date date) {
this.date = date;
}
}
我有什么问题? 如何处理mongodb的ISODate值? 您能帮我解决这个问题吗?
预先感谢
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