gson

问题 The below codes causing StackOverflowError . purpose of the code is to create a json string from java class. for (ControlTransaction crt : ctrList) { crt= new ControlTransaction();// for test, Still issue final Gson gson = new GsonBuilder().registerTypeAdapter( ControlTransaction.class, new ControlTransactionSerializer()).create(); String jsonControlTransactionString = gson.toJson(crt); strList.add(jsonControlTransactionString); } My class looks like public class ControlTransaction implements

问题 Using Volley in my Android project, I am getting a json response like: { "value1": 1, "value2": aaa, "subvalues": [ { "value1": 297, "value2": 310, "class3": { "name": "name1", "id": 1, "value": 32 } }, ... ] } I need to deserialize it to pojo using Gson. Classes are: class1: public class class1 { private int value1; private String value2; private List<class2> vals; public class class2 { private int value1; private int value2; private class3 c3; } } class3: public class class3 { private

问题 Have an issue with JSON format parsing { "retval": [ { "DocumentEntityCD": "AccOperation", "DocumentType": "Document Accounting operation", "DocNumber": "12345", "DebitAccountCode": "201", "CreditAccountCode": "201", "Amount": 75.5 }, { "GeneralJournalID": "5NE5DsWHo0GD_VkiJO_a1Q", "DocumentUID": "sV6Pqw-_CkuAtiZsuzZNcA", "Date": "2012051521", "DocumentEntityCD": "AccOperation", "DocumentType": "Document Accounting operation", "Amount": 555 } ], "time": 0 } How Gson should Object should looks

问题 I've looked over this thread and this thread all trying to get android studio to recognize the fromJson method with no luck. I have com.google.code.gson:gson:2.6.2 as my gson dependency in my project structure. So, far all I've tried will still not allow this line to compile: LookupRate cuRate = gson.fromJson(gson, LookupRate.class); I've tried the following imports with no luck making my best effort to clean my project each time just for some kind of refresh. Imports: import java.lang

问题 When I try to parse a simple domain model object containing a Java 8 LocalDateTime using a json view, I receive a stack overflow exception, that seems to be related to the fact that the GSON implentation does not know about Java 8 LocalDateTime. Here is an example (documentation of grails views and JSON): Domain class "Person" import java.time.LocalDate class Person { Sting name LocalDate birthDate } PersonController class PersonController { def index() { respond Person.findAll() as List

问题 I have a java application where I want to send json data fro servlet to a jsp. I am using mongodb as a database and Gson library for Json. I am new to Java & Mongo. Here is the code for querying the database: MongoClient mongoClient = new MongoClient("localhost", 27017); DB database = mongoClient.getDB("MyTestDatabase"); coll = database.getCollection("players"); BasicDBObject fields = new BasicDBObject(); fields.put("_id", 0); fields.put("Incident Date", 1); fields.put("Longitude", 1); fields

问题 This is my first approach to serialization using Gson. I recive facebook response to my android application like this My Json: {"data": [ { "pic_square": "https://fbcdn-profile-a.akamaihd.netxxxx1388091435_797626998_q.jpg", "uid": "10202xxx852765", "name": "Mister X" }, { "pic_square": "https://fbcdn-profile-a.akamaihd.netxxxx1388091435_797626998_q.jpg", "uid": "10202xxx852765", "name": "Mister X" } ] } try { final GsonBuilder builder = new GsonBuilder(); final Gson gson = builder.create();

问题 What is the simplest way to define a custom mapping of a JSON property to a particular object property in RetroFit? Example JSON response for a set of "rewards": [ { "name" : "$5 Voucher", "description" : "Get $5 off your next purchase", "assets" : { "icon" : "icon.png" } } ] Reward class in my Android project: public class Reward { @SerializedName("name") private String name; @SerializedName("description") private String description; @SerializedName("icon") private String icon; } Because

问题 I am working on an application in which I am using android phone contacts in my application.So, for that first of all fetch contact details and store it into ArrayList. After that I serialized that arrayList using gson library and when I deserialize it getting error. I have used gson-2.1.jar for serializing and deserializing contact details. I am getting following error log. AndroidRuntime﹕ FATAL EXCEPTION: main com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected

问题 I can think of no way to ensure all information is given then list all three of my classes. However, before all of that I will include my logcat errors and what my app is supposed to be doing: Logcat Errors 03-27 17:10:45.368 2373-2665/edu.ggc.amauldin.currencyappaustin E/AndroidRuntime: FATAL EXCEPTION: AsyncTask #1 Process: DOMAIN, PID: 2373 java.lang.RuntimeException: An error occured while executing doInBackground() at android.os.AsyncTask$3.done(AsyncTask.java:304) at java.util