我有json字段如下所示。我怎样才能将它反序列化为String,String Map?不同类型的嵌套对象的java杰克逊反序列化
s:{
"g":0.0,
"p":0.0,
"m":0.0,
"media":{
"1":{"key":0,"value":0},
"2":{"key":0,"value":0},
"3":{"key":0,"value":0},
"4":{"key":0,"value":0},
...},
"pr":{
"1":{"key":0,"value":0},
"2":{"key":0,"value":0},
"3":{"key":0,"value":0},
...}
}
我已经试过这样的
public JsonNode s;
@JsonGetter("s")
public Map<String,String> getS() {
if (s == null) {
return null;
}
ObjectMapper mapper = new ObjectMapper();
Map<String, Object> map;
map = mapper.convertValue(score, new TypeReference<Map<String, Object>>(){});
Map<String,String> result;
for (Map.Entry<String, Object> entry : map.entrySet()) {
if(entry.getValue() instanceof String){
result.put(entry.getKey(), (String) entry.getValue());
}
}
return result;
}
,它的测试工作,但是我收到一个错误的真实数据
无法反序列化java.lang.String中的实例进行[来源:UNKNOWN; START_OBJECT ] line:-1,column:-1](通过引用 链:java.util.LinkedHashMap [“media”])
任何建议吗?
什么是与我尝试区别?我已经先转换地图<字符串,对象>,然后映射。我应该如何将它投入您的建议中? –
Sergei
@Sergei's'不是'Map''''''''''''''''''''''''''''另外还有3层的嵌套来获得'media'中的键值 –
nullpointer
(Map.Entry entry:map .entrySet()){result.put(entry.getKey(),entry.getValue()。toString()); } –
Sergei