Example usage for com.google.gson Gson newJsonReader

Introduction

In this page you can find the example usage for com.google.gson Gson newJsonReader.

Prototype

public JsonReader newJsonReader(Reader reader) 

Source Link

Document

Returns a new JSON reader configured for the settings on this Gson instance.

Usage

From source file:com.aliakseipilko.flightdutytracker.utils.BackupUtils.java

License:Open Source License

public static void deserialiseFlightsFileToRealm(Realm realm, final File srcFile,
        final BackupRestoreBaseFragment callingView) {

    realm.executeTransactionAsync(new Realm.Transaction() {
        @Override/*from  w  w w .jav  a  2  s  .c  o  m*/
        public void execute(Realm realm) {
            try {
                GsonBuilder gsonBuilder = new GsonBuilder();
                Gson gson = gsonBuilder.registerTypeAdapter(Flight.class, new FlightSerialiser())
                        .serializeNulls().setPrettyPrinting().setFieldNamingPolicy(FieldNamingPolicy.IDENTITY)
                        .setDateFormat(DateFormat.FULL, DateFormat.FULL).create();
                JsonReader reader = gson.newJsonReader(new FileReader(srcFile));
                List<Flight> flights;
                Type type = new TypeToken<List<Flight>>() {
                }.getType();

                flights = gson.fromJson(reader, type);

                for (Flight f : flights) {
                    //Check for ID duplication
                    if (realm.where(Flight.class).equalTo("id", f.getId()).findFirst() == null) {
                        realm.copyToRealm(f);
                    } else {
                        long newId;
                        Number idNum = realm.where(Flight.class).max("id");
                        if (idNum == null) {
                            newId = 1;
                        } else {
                            long id = idNum.longValue();
                            newId = id + 1;
                        }
                        f.setId(newId);
                        realm.copyToRealm(f);
                    }
                }

            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }, new Realm.Transaction.OnSuccess() {
        @Override
        public void onSuccess() {
            callingView.showSuccess("Restore completed successfully!");
        }
    }, new Realm.Transaction.OnError() {
        @Override
        public void onError(Throwable error) {
            callingView.showError("That didn't work. Try again");
        }
    });
}

---

From source file:guru.qas.martini.report.Main.java

License:Apache License

protected void createReport(ApplicationContext context, Gson gson, TraceabilityMatrix matrix) throws Exception {
    try (Reader reader = getReader(context);
            JsonReader jsonReader = gson.newJsonReader(reader);
            OutputStream outputStream = getOutputStream(context)) {
        jsonReader.setLenient(true);//from  w  w  w.  j a va 2  s.  co  m
        matrix.createReport(jsonReader, outputStream);
    }
}

---

From source file:persistance.JSONHandler.java

public static ArrayList<Colony> loadColonies(String filePath) throws IOException {
    ArrayList<Colony> colonies = new ArrayList<>();

    try (Reader reader = new InputStreamReader(new FileInputStream(filePath))) {
        Gson gson = new GsonBuilder().create();
        JsonReader jsonReader = gson.newJsonReader(reader);

        jsonReader.beginArray();//from  ww w .  j a  va 2s . co m
        while (jsonReader.hasNext()) {
            colonies.add(parseColony(jsonReader, colonies));
        }
        jsonReader.endArray();

        return colonies;
    }
}

---