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

Introduction

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

Prototype

public boolean hasNext() throws IOException 

Source Link

Document

Returns true if the current array or object has another element.

Usage

From source file:io.github.rcarlosdasilva.weixin.core.json.adapter.OpenPlatformAuthGetLicenseInformationResponseTypeAdapter.java

private void readBusinessInfo(JsonReader in, LicensorInfromation licensorInfromation) throws IOException {
    in.beginObject();//from   w  ww. j a  va 2 s  .c om
    while (in.hasNext()) {
        String key = in.nextName();
        switch (key) {
        case Convention.OPEN_PLATFORM_AUTH_LICENSOR_BUSINESS_STORE_KEY:
            licensorInfromation.setBusinessStoreOpened(in.nextInt() == Convention.GLOBAL_TRUE_NUMBER);
            break;
        case Convention.OPEN_PLATFORM_AUTH_LICENSOR_BUSINESS_SCAN_KEY:
            licensorInfromation.setBusinessScanOpened(in.nextInt() == Convention.GLOBAL_TRUE_NUMBER);
            break;
        case Convention.OPEN_PLATFORM_AUTH_LICENSOR_BUSINESS_PAY_KEY:
            licensorInfromation.setBusinessPayOpened(in.nextInt() == Convention.GLOBAL_TRUE_NUMBER);
            break;
        case Convention.OPEN_PLATFORM_AUTH_LICENSOR_BUSINESS_CARD_KEY:
            licensorInfromation.setBusinessCardOpened(in.nextInt() == Convention.GLOBAL_TRUE_NUMBER);
            break;
        case Convention.OPEN_PLATFORM_AUTH_LICENSOR_BUSINESS_SHAKE_KEY:
            licensorInfromation.setBusinessShakeOpened(in.nextInt() == Convention.GLOBAL_TRUE_NUMBER);
            break;
        default:
            if (in.hasNext()) {
                String value = in.nextString();
                logger.warn(LOG_UNKNOWN_JSON_KEY, key, value);
            }
        }
    }
    in.endObject();
}

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

License:Apache License

private static Object parseRecursive(JsonReader jr) throws IOException {
    checkState(jr.hasNext(), "unexpected end of JSON");
    switch (jr.peek()) {
    case BEGIN_ARRAY:
        return parseJsonArray(jr);
    case BEGIN_OBJECT:
        return parseJsonObject(jr);
    case STRING:/*from  w ww .j  a v  a  2 s  .co  m*/
        return jr.nextString();
    case NUMBER:
        return jr.nextDouble();
    case BOOLEAN:
        return jr.nextBoolean();
    case NULL:
        return parseJsonNull(jr);
    default:
        throw new IllegalStateException("Bad token: " + jr.getPath());
    }
}

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

License:Apache License

private static Map<String, ?> parseJsonObject(JsonReader jr) throws IOException {
    jr.beginObject();/*from w w  w. jav  a 2 s  .c  o  m*/
    Map<String, Object> obj = new LinkedHashMap<>();
    while (jr.hasNext()) {
        String name = jr.nextName();
        Object value = parseRecursive(jr);
        obj.put(name, value);
    }
    checkState(jr.peek() == JsonToken.END_OBJECT, "Bad token: " + jr.getPath());
    jr.endObject();
    return Collections.unmodifiableMap(obj);
}

---

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

License:Apache License

private static List<?> parseJsonArray(JsonReader jr) throws IOException {
    jr.beginArray();//from   w  ww. ja  v a 2 s  .c  om
    List<Object> array = new ArrayList<>();
    while (jr.hasNext()) {
        Object value = parseRecursive(jr);
        array.add(value);
    }
    checkState(jr.peek() == JsonToken.END_ARRAY, "Bad token: " + jr.getPath());
    jr.endArray();
    return Collections.unmodifiableList(array);
}

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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 www .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;
}

---

From source file:json_export_import.GSON_Observer.java

public void read() {
    try {/*from w  w w .  j  a v a 2 s . c om*/
        JsonReader reader = new JsonReader(new FileReader("/home/rgreim/Output.json"));
        reader.beginArray();
        while (reader.hasNext()) {
            String sequence = reader.nextString();
            System.out.println("Sequenz: " + sequence);
        }
        reader.endArray();
        reader.close();
    } catch (FileNotFoundException ex) {
        Logger.getLogger(GSON_Observer.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(GSON_Observer.class.getName()).log(Level.SEVERE, null, ex);
    }
}

---

From source file:junk.StreamingSample.java

License:Apache License

/**
 * Run the bigquery ClI./*w  ww .  j av  a 2  s  .co  m*/
 *
 * @param projectId Project id
 * @param datasetId datasetid
 * @param tableId   tableid
 * @param rows      The source of the JSON rows we are streaming in.
 * @return Returns Iterates through the stream responses
 * @throws IOException          Thrown if there is an error connecting to Bigquery.
 * @throws InterruptedException Should never be thrown
 */
// [START run]
public static Iterator<TableDataInsertAllResponse> run(final String projectId, final String datasetId,
        final String tableId, final JsonReader rows) throws IOException {

    final Bigquery bigquery = BigqueryServiceFactory.getService();
    final Gson gson = new Gson();
    rows.beginArray();

    return new Iterator<TableDataInsertAllResponse>() {

        /**
         * Check whether there is another row to stream.
         *
         * @return True if there is another row in the stream
         */
        public boolean hasNext() {
            try {
                return rows.hasNext();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return false;
        }

        /**
         * Insert the next row, and return the response.
         *
         * @return Next page of data
         */
        public TableDataInsertAllResponse next() {
            try {
                Map<String, Object> rowData = gson.<Map<String, Object>>fromJson(rows,
                        (new HashMap<String, Object>()).getClass());

                return streamRow(bigquery, projectId, datasetId, tableId,
                        new TableDataInsertAllRequest.Rows().setJson(rowData));
            } catch (JsonSyntaxException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return null;
        }

        public void remove() {
            this.next();
        }

    };

}

---

From source file:kihira.minicreatures.MiniCreatures.java

License:Open Source License

@SuppressWarnings("ResultOfMethodCallIgnored")
private void loadPersonalityTypes(File configDir) {
    File personalityTypesFile = new File(configDir,
            File.separator + "MiniCreatures" + File.separator + "PersonalityTypes.json");

    try {//from ww  w.  j ava2  s  .  c o m
        Gson gson = GsonHelper.createGson(Mood.class);
        if (!personalityTypesFile.exists()) {
            //Create files/directories
            new File(configDir, File.separator + "MiniCreatures").mkdirs();
            personalityTypesFile.createNewFile();

            JsonWriter jsonWriter = new JsonWriter(new FileWriter(personalityTypesFile));

            //TODO just copy a pre-genned file like marker beacons
            //Create defaults
            //Create default personalities
            jsonWriter.beginArray();
            List<String> list = new ArrayList<String>();
            list.add(EntityMiniPlayer.class.getName());
            gson.toJson(gson.toJsonTree(new Mood("psychotic", list, new HashMap<String, MoodVariable>() {
                {
                    put("happiness", new MoodVariable(35, 50));
                    put("hostility", new MoodVariable(40, 50));
                }
            })), jsonWriter);
            gson.toJson(gson.toJsonTree(new Mood("coldblooded", list, new HashMap<String, MoodVariable>() {
                {
                    put("happiness", new MoodVariable(-50, 0));
                    put("hostility", new MoodVariable(40, 50));
                }
            })), jsonWriter);
            gson.toJson(gson.toJsonTree(new Mood("happy", list, new HashMap<String, MoodVariable>() {
                {
                    put("happiness", new MoodVariable(10, 50));
                    put("hostility", new MoodVariable(-50, 10));
                }
            })), jsonWriter);
            gson.toJson(gson.toJsonTree(new Mood("depressed", list, new HashMap<String, MoodVariable>() {
                {
                    put("happiness", new MoodVariable(-50, 0));
                    put("hostility", new MoodVariable(-10, 10));
                }
            })), jsonWriter);
            gson.toJson(gson.toJsonTree(new MoodTest("test")), jsonWriter);
            jsonWriter.endArray();
            jsonWriter.close();
        }

        //Load personality types
        JsonReader reader = new JsonReader(new FileReader(personalityTypesFile));
        reader.beginArray();
        while (reader.hasNext()) {
            Mood mood = gson.fromJson(reader, Mood.class);
            Personality.moodList.add(mood);
            logger.debug("Loaded mood %s", mood.toString());
        }
        reader.endArray();
    } catch (IOException e1) {
        e1.printStackTrace();
    }
}

---

From source file:me.ixfan.wechatkit.message.out.json.MassMessageGsonTypeAdapter.java

License:Open Source License

@Override
public MessageForMassSend read(JsonReader in) throws IOException {
    MessageForMassSend.Filter filter = null;
    List<String> toUser = null;
    String msgType = null;/*  w  w w .j a  v a  2  s  .  c o m*/
    String msgContent = null;

    in.beginObject();
    while (in.hasNext()) {
        switch (in.nextName()) {
        case "msgtype":
            msgType = in.nextString();
            break;
        case "filter":
            in.beginObject();
            String tagId = null;
            boolean isToAll = false;
            while (in.hasNext()) {
                switch (in.nextName()) {
                case "is_to_all":
                    isToAll = in.nextBoolean();
                    break;
                case "tag_id":
                    tagId = in.nextString();
                    break;
                default:
                    break;
                }
            }
            in.endObject();
            filter = new MessageForMassSend.Filter(tagId, isToAll);
            break;
        case "touser":
            in.beginArray();
            toUser = new ArrayList<>();
            while (in.hasNext()) {
                toUser.add(in.nextString());
            }
            in.endArray();
            break;
        case "text":
        case "image":
        case "voice":
        case "mpnews":
        case "mpvideo":
        case "wxcard":
            in.beginObject();
            while (in.hasNext()) {
                switch (in.nextName()) {
                case "content":
                case "media_id":
                case "card_id":
                    msgContent = in.nextString();
                    break;
                default:
                    break;
                }
            }
            in.endObject();
            break;
        default:
            break;
        }
    }

    in.endObject();

    if (null != filter) {
        return new MessageForMassSend(OutMessageType.valueOf(msgType), msgContent, filter.getTagId(),
                filter.isToAll());
    } else if (null != toUser) {
        return new MessageForMassSend(OutMessageType.valueOf(msgType), msgContent, toUser);
    }
    return null;
}

---

From source file:me.j360.trace.core.internal.JsonCodec.java

License:Apache License

public List<List<Span>> readTraces(byte[] bytes) {
    JsonReader reader = jsonReader(bytes);
    List<List<Span>> result = new LinkedList<List<Span>>(); // cause we don't know how long it will be
    try {//from  w  w w .j ava2  s.co m
        reader.beginArray();
        while (reader.hasNext()) {
            reader.beginArray();
            List<Span> trace = new LinkedList<Span>(); // cause we don't know how long it will be
            while (reader.hasNext()) {
                trace.add(SPAN_ADAPTER.fromJson(reader));
            }
            reader.endArray();
            result.add(trace);
        }
        reader.endArray();
        return result;
    } catch (Exception e) {
        throw exceptionReading("List<List<Span>>", bytes, e);
    }
}

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