Example usage for com.google.gson.stream JsonReader close

Introduction

In this page you can find the example usage for com.google.gson.stream JsonReader close.

Prototype

public void close() throws IOException 

Source Link

Document

Closes this JSON reader and the underlying java.io.Reader .

Usage

From source file:edu.rpi.shuttles.data.RPIShuttleDataProvider.java

License:Apache License

public SparseArray<Stop> fetchStops() throws IOException {
    // Download stop data.
    URL stopsURL = new URL(mStopsUrl);
    URLConnection stopsConnection = stopsURL.openConnection();
    stopsConnection.setRequestProperty("User-Agent", mUserAgent);
    InputStream in = new BufferedInputStream(stopsConnection.getInputStream());
    JsonReader reader = new JsonReader(new InputStreamReader(in));
    mStops.clear();/*from w ww. j  a va  2 s. co m*/
    mRouteStopsMap.clear();

    reader.beginArray();
    while (reader.hasNext()) {
        Stop stop = readStop(reader);
        mStops.put(stop.id, stop);
    }
    reader.endArray();

    reader.close();
    return mStops;
}

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From source file:edu.rpi.shuttles.data.RPIShuttleDataProvider.java

License:Apache License

public SparseArray<Vehicle> updateVehicleLocations() throws IOException {
    // Download vehicle location data.
    URL vehicleLocationURL = new URL(mVehicleLocationsUrl);
    URLConnection vehicleLocationConnection = vehicleLocationURL.openConnection();
    vehicleLocationConnection.setRequestProperty("User-Agent", mUserAgent);
    InputStream in = new BufferedInputStream(vehicleLocationConnection.getInputStream());
    JsonReader reader = new JsonReader(new InputStreamReader(in));
    SparseArray<Vehicle> updated_vehicles = new SparseArray<Vehicle>();

    reader.beginArray();// w w w .ja  v  a 2 s  . co m
    while (reader.hasNext()) {
        Vehicle shuttle = readVehicleLocation(reader);
        updated_vehicles.put(shuttle.id, shuttle);
        mVehicles.put(shuttle.id, shuttle);
    }
    reader.endArray();

    reader.close();
    return updated_vehicles;
}

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From source file:edu.washington.cs.cupid.usage.CupidDataCollector.java

License:Open Source License

public synchronized String getAllJson(String indent, boolean includeNow) throws IOException {
    List<SessionLog> logs = Lists.newArrayList();

    for (File file : logDirectory.listFiles()) {
        if (file.getName().endsWith(".json")) {
            JsonReader reader = new JsonReader(new FileReader(file));
            logs.add((SessionLog) gson.fromJson(reader, SessionLog.class));
            reader.close();
        }//from   w w w. j a v  a2  s . c  o m
    }

    if (init) {
        logs.add(new SessionLog(uuid(), system, sessionLog));
    }

    StringWriter result = new StringWriter();
    JsonWriter writer = new JsonWriter(result);
    if (indent != null) {
        writer.setIndent(indent);
    }
    gson.toJson(logs, new TypeToken<List<SessionLog>>() {
    }.getType(), writer);
    writer.close();
    return result.toString();
}

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From source file:eu.pinnoo.garbagecalendar.util.parsers.CalendarParser.java

License:Apache License

@Override
protected ArrayList downloadData() throws IOException {
    ArrayList<PrimitiveCollection> list = new ArrayList<PrimitiveCollection>();
    InputStream inp = Network.getStream(getURL());
    JsonReader reader = new JsonReader(new InputStreamReader(inp, LocalConstants.ENCODING));
    PrimitiveCollectionList results = new GsonBuilder().create().fromJson(reader,
            PrimitiveCollectionList.class);
    list.addAll((java.util.Collection<PrimitiveCollection>) results.list);
    reader.close();
    return list;/*from   w  w w  . j  av  a 2  s  . c  om*/
}

---

From source file:eu.pinnoo.garbagecalendar.util.parsers.StreetsParser.java

License:Apache License

@Override
protected ArrayList downloadData() throws IOException {
    ArrayList<PrimitiveAddress> list = new ArrayList<PrimitiveAddress>();
    InputStream inp = Network.getStream(getURL());
    JsonReader reader = new JsonReader(new InputStreamReader(inp, LocalConstants.ENCODING));
    PrimitiveAddressList results = new GsonBuilder().create().fromJson(reader, PrimitiveAddressList.class);
    list.addAll((Collection<PrimitiveAddress>) results.list);
    reader.close();
    return list;//  ww  w .  j av a2s.  c o m
}

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From source file:gov.pnnl.goss.gridappsd.testmanager.CompareResults.java

License:Open Source License

public SimulationOutput getOutputProperties(String path) {
    Gson gson = new GsonBuilder().setDateFormat("yyyy-MM-dd HH:mm:ss").create();
    JsonReader jsonReader;
    SimulationOutput testScript = null;//from   w  ww.java  2 s .com
    try {
        jsonReader = new JsonReader(new FileReader(path));
        jsonReader.setLenient(true);
        testScript = gson.fromJson(new FileReader(path), SimulationOutput.class);
        jsonReader.close();
    } catch (Exception e) {
        e.printStackTrace();
    }

    return testScript;
}

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From source file:ilearnrw.prototype.application.JsonHandler.java

License:Open Source License

public Object fromJson(java.lang.reflect.Type type) {

    Object obj = null;//  w w w .  ja va  2s.c o  m
    try {
        InputStream inputStream = ResourceLoader.getInstance().getInputStream(this.type, path);
        JsonReader reader = new JsonReader(new InputStreamReader(inputStream, "UTF-8"));
        obj = gson.fromJson(reader, type);
        reader.close();
    } catch (IOException e) {
        e.printStackTrace();
        return obj;
    }

    return obj;
}

---

From source file:io.grpc.internal.JsonParser.java

License:Apache License

/**
 * Parses a json string, returning either a {@code Map<String, ?>}, {@code List<?>},
 * {@code String}, {@code Double}, {@code Boolean}, or {@code null}.
 *//*from   ww w  . j a  v a  2s. c  om*/
public static Object parse(String raw) throws IOException {
    JsonReader jr = new JsonReader(new StringReader(raw));
    try {
        return parseRecursive(jr);
    } finally {
        try {
            jr.close();
        } catch (IOException e) {
            logger.log(Level.WARNING, "Failed to close", e);
        }
    }
}

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From source file:io.motown.chargingstationconfiguration.viewmodel.restapi.providers.GsonJsonProvider.java

License:Apache License

@Override
public Object readFrom(Class<Object> objectClass, Type type, Annotation[] annotations, MediaType mediaType,
        MultivaluedMap<String, String> stringStringMultivaluedMap, InputStream inputStream) throws IOException {
    JsonReader reader = new JsonReader(new InputStreamReader(inputStream, Charset.forName(UTF_8)));
    Object obj = gson.fromJson(reader, type);
    reader.close();
    return obj;/*  w  w  w .  ja  va 2s.  c  o m*/
}

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From source file:it.bradipao.berengar.DbTool.java

License:Apache License

public static int gson2db(SQLiteDatabase mDB, File jsonFile) {

    // vars/*from   w  ww  .  j  a  v  a2 s.  c  om*/
    int iTableNum = 0;
    FileReader fr = null;
    BufferedReader br = null;
    JsonReader jr = null;
    String name = null;
    String val = null;

    String mTable = null;
    String mTableSql = null;
    ArrayList<String> aFields = null;
    ArrayList<String> aValues = null;
    ContentValues cv = null;

    // file readers
    try {
        fr = new FileReader(jsonFile);
        br = new BufferedReader(fr);
        jr = new JsonReader(br);
    } catch (FileNotFoundException e) {
        Log.e(LOGTAG, "error in gson2db file readers", e);
    }

    // parsing
    try {
        // start database transaction
        mDB.beginTransaction();
        // open root {
        jr.beginObject();
        // iterate through root objects
        while (jr.hasNext()) {
            name = jr.nextName();
            if (jr.peek() == JsonToken.NULL)
                jr.skipValue();
            // number of tables
            else if (name.equals("tables_num")) {
                val = jr.nextString();
                iTableNum = Integer.parseInt(val);
                if (GOLOG)
                    Log.d(LOGTAG, "TABLE NUM : " + iTableNum);
            }
            // iterate through tables array
            else if (name.equals("tables")) {
                jr.beginArray();
                while (jr.hasNext()) {
                    // start table
                    mTable = null;
                    aFields = null;
                    jr.beginObject();
                    while (jr.hasNext()) {
                        name = jr.nextName();
                        if (jr.peek() == JsonToken.NULL)
                            jr.skipValue();
                        // table name
                        else if (name.equals("table_name")) {
                            mTable = jr.nextString();
                        }
                        // table sql
                        else if (name.equals("table_sql")) {
                            mTableSql = jr.nextString();
                            if ((mTable != null) && (mTableSql != null)) {
                                mDB.execSQL("DROP TABLE IF EXISTS " + mTable);
                                mDB.execSQL(mTableSql);
                                if (GOLOG)
                                    Log.d(LOGTAG, "DROPPED AND CREATED TABLE : " + mTable);
                            }
                        }
                        // iterate through columns name
                        else if (name.equals("cols_name")) {
                            jr.beginArray();
                            while (jr.hasNext()) {
                                val = jr.nextString();
                                if (aFields == null)
                                    aFields = new ArrayList<String>();
                                aFields.add(val);
                            }
                            jr.endArray();
                            if (GOLOG)
                                Log.d(LOGTAG, "COLUMN NAME : " + aFields.toString());
                        }
                        // iterate through rows
                        else if (name.equals("rows")) {
                            jr.beginArray();
                            while (jr.hasNext()) {
                                jr.beginArray();
                                // iterate through values in row
                                aValues = null;
                                cv = null;
                                while (jr.hasNext()) {
                                    val = jr.nextString();
                                    if (aValues == null)
                                        aValues = new ArrayList<String>();
                                    aValues.add(val);
                                }
                                jr.endArray();
                                // add to database
                                cv = new ContentValues();
                                for (int j = 0; j < aFields.size(); j++)
                                    cv.put(aFields.get(j), aValues.get(j));
                                mDB.insert(mTable, null, cv);
                                if (GOLOG)
                                    Log.d(LOGTAG, "INSERT IN " + mTable + " : " + aValues.toString());
                            }
                            jr.endArray();
                        } else
                            jr.skipValue();
                    }
                    // end table
                    jr.endObject();
                }
                jr.endArray();
            } else
                jr.skipValue();
        }
        // close root }
        jr.endObject();
        jr.close();
        // successfull transaction
        mDB.setTransactionSuccessful();
    } catch (IOException e) {
        Log.e(LOGTAG, "error in gson2db gson parsing", e);
    } finally {
        mDB.endTransaction();
    }

    return iTableNum;
}

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