Java如何为Gson编写自定义JSON解串器?

我有一个Java类,用户:

public class User

{

int id;

String name;

Timestamp updateDate;

}

我收到一个包含来自Web服务的用户对象的JSON列表:

[{"id":1,"name":"Jonas","update_date":"1300962900226"},

{"id":5,"name":"Test","date_date":"1304782298024"}]

我试图编写一个自定义反序列化器:

@Override

public User deserialize(JsonElement json, Type type,

JsonDeserializationContext context) throws JsonParseException {

return new User(

json.getAsJsonPrimitive().getAsInt(),

json.getAsString(),

json.getAsInt(),

(Timestamp)context.deserialize(json.getAsJsonPrimitive(),

Timestamp.class));

}

但是我的解串器不起作用。如何为Gson编写自定义JSON解串器?

回答:

@Override

public User deserialize(JsonElement json, Type type,

JsonDeserializationContext context) throws JsonParseException {

JsonObject jobject = json.getAsJsonObject();

return new User(

jobject.get("id").getAsInt(),

jobject.get("name").getAsString(),

new Timestamp(jobject.get("update_date").getAsLong()));

}

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