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두 손끝의 창조자
gson json 데이터 타입별 역직렬화 하기 registerTypeAdapter 본문
Gson gson = new GsonBuilder()
.registerTypeAdapter(new TypeToken<Table<CompanyInfo>>() {
}.getType(), (JsonDeserializer<Table<CompanyInfo>>) (element, typeOfT, context) -> {
if (element.isJsonPrimitive()) {
return new Table<>(Collections.emptyList());
} else {
JsonElement jsonElement = ((JsonObject) element).get("T_DATA");
if (jsonElement.isJsonObject()) {
CompanyInfo deserialize = context.deserialize(jsonElement, CompanyInfo.class);
return new Table<>(Collections.singletonList(deserialize));
} else {
List<CompanyInfo> deserialize = context.deserialize(jsonElement, new TypeToken<List<CompanyInfo>>() {
}.getType());
return new Table<>(deserialize);
}
}
}).create();
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