gson

问题 I am trying to use realm with my android application. I tried looking in to some simple examples about realm. I was able to setup the project with realm and now want to start implementing it but facing problems to generate classed in accordance to my json response. following is an example of json I will be using { "Status":true, "Message":"Success", "ds":{ "Table1":[{ "CustomerId":"1", "CustomerName":"TestUser", "CustomerNo":"100001", "CustomerUrl":"http://abc-001-site10.itempurl.com",

问题 I have the following json from our customer: { "id": 1234, "delivery_date": 1234567890, "actions": [ [ "foo", true], [ "bar", true] ], "customer": { "id": 12345, "company": "", "firstname": "John", "lastname": "Smith", "action": ["dothis", true] }, "childs": [ 123abc2132312312,11232432943493] } I want to parse the "actions" array as a List< Actions> actionList and the single "action" as Action action. With class Action { String action; boolean yesno; } And the childs Array as List< Child>

问题 When I send a response from servlet to ajax, I get ClassNotFoundException about Gson class. Here is the stacktrace: java.lang.ClassNotFoundException: com.google.gson.Gson at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1714) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559) at com.jotform.demo.write(demo.java:64) at com.jotform.demo.doPost(demo.java:53) at javax.servlet.http.HttpServlet.service(HttpServlet.java:647) at

问题 i have class like this public class Response<T>{ T item; List<T>; } so how can to deserializeding String in this pattern to one generic class with gson.fromJson(targetString,...) ? i glad to used in retrofit library where Response is returned parameter in desired interface 回答1: convert list to gson public <T> String setList(List<T> list) { Gson gson = new Gson(); return gson.toJson(list); } convert gson to list public List<(desired class)> getList(){ Gson gson = new Gson(); String json =

问题 My question is very similiar to this: Unable to parse Json array using Gson But I cann't get the answer from it. The answer from above link: public static List<MapData> getData(){ Gson gson = new Gson(); String jsonString = "[{\"id\":18,\"city\":\"test\",\"street\":\"test 1\",\"zipcode\":121209,\"state\":\"IL\",\"lat\":32.158138,\"lng\":34.807838},{\"id\":19,\"city\":\"test\",\"street\":\"1\",\"zipcode\":76812,\"state\":\"IL\",\"lat\":32.161041,\"lng\":34.810410}]"; Type type = new TypeToken

问题 I need Serialize/Deserialize a POJO contain a speciel Enum ( not Enum of String ). I find lots of sample with Enum of String but is not my case. I read Gson docs, and I have a start of solution with implements JsonDeserializer<T>, JsonSerializer<T> public class ApplicationError { private static final long serialVersionUID = 1L; private final ErrorCode code; private final String description; private final URL infoURL; .... } public enum ErrorCode { INVALID_URL_PARAMETER(HttpStatus.BAD_REQUEST,

问题 I'm getting an empty array in string as a response from server & getting ClassCastException while converting it JsonObject because it's an empty array. Here is code snippet. final String errorMessage = IOUtils.toString(errorStream); // response is "[]" if (isJson(errorMessage)) { final JsonObject jsonResult = new Gson().fromJson(errorMessage, JsonObject.class); throw new IOException(jsonResult.get("error").toString()); } else { throw new IOException("Json response is" + errorMessage); } Here

问题 I have been trying to decrypt json data and then convert it to Scala case class using GSON. Code: import com.google.gson.Gson object DecryptQRData extends App { val key = "klix8TW3SMGtHLVO0ZbhwO8ggW0p+npHfB71epkvmE0=" val data = "c3NbCs3KQ6uC9d1kplSOg78opMs5+jKB/n5O3D4ttLQaNfWeU/s3RxYqDMazA09gOhhUWkRHZo3xrsgv/x2zoQ==" val bytesArray: Array[Byte] = AES.decodeBase64(data) val finalData: Array[Byte] = AES.decrypt(bytesArray, key) val jsonString: String = new String(finalData) println(s"result:

问题 I have used Gson to serialize and deserialize model class to json string , but the problem is gson takes date variabless to timestamp serializer.My class contain both Date and Timestamp variables but both are serialized by the same Timestamp serializer.I have wrote both Timestamp and date serializer in my GsonBuilder.Below is my class StaffDetails.java : import javax.persistence.*; import java.io.Serializable; import java.sql.Timestamp; import java.util.Date; import java.util.Locale; @Entity

问题 This question already has answers here : Gson, how to deserialize array or empty string (6 answers) Closed last year . I have a problem. I'm using Retrofit 2.0 to make calls to my api from my Android app. All works fine, but when I'm receive a empty field I get this error: Expected BEGIN_OBJECT but was BEGIN_ARRAY at line 1 column 8599 path $.meta.pagination.links The problem is with links field, that sometimes is not empty "links": { "next": "http://www.example.com, } But when it's empty the