Example usage for com.fasterxml.jackson.core JsonParser getDoubleValue

Introduction

In this page you can find the example usage for com.fasterxml.jackson.core JsonParser getDoubleValue.

Prototype

public abstract double getDoubleValue() throws IOException, JsonParseException;

Source Link

Document

Numeric accessor that can be called when the current token is of type JsonToken#VALUE_NUMBER_FLOAT and it can be expressed as a Java double primitive type.

Usage

From source file:org.dbrain.data.jackson.serializers.JacksonSerializationUtils.java

public static Value parseValue(JsonParser parser, DeserializationContext ctxt) throws IOException {
    JsonToken token = getToken(parser);//from w  w w. j  a  v a  2s  .  c o  m
    if (token != null) {
        Value result;
        switch (token) {
        case VALUE_STRING:
            result = Value.of(parser.getValueAsString());
            break;
        case VALUE_NUMBER_FLOAT:
            result = Value.of(parser.getDoubleValue());
            break;
        case VALUE_NUMBER_INT:
            result = Value.of(parser.getBigIntegerValue());
            break;
        case VALUE_NULL:
            result = NullValueImpl.NULL;
            break;
        case VALUE_TRUE:
            result = Value.of(Boolean.TRUE);
            break;
        case VALUE_FALSE:
            result = Value.of(Boolean.FALSE);
            break;
        case START_OBJECT: {
            ValueMap values = ValueMap.newInstance();
            while (parser.nextToken() == JsonToken.FIELD_NAME) {
                String key = parser.getCurrentName();
                parser.nextToken();
                Value v = parseValue(parser, ctxt);
                if (v == null) {
                    throw ctxt.wrongTokenException(parser, JsonToken.START_OBJECT, "Expected Value");
                }
                values.put(key, v);
            }
            if (getToken(parser) == JsonToken.END_OBJECT) {
                parser.clearCurrentToken();
            } else {
                throw ctxt.wrongTokenException(parser, JsonToken.END_OBJECT, null);
            }
            result = values;
        }
            break;
        case START_ARRAY: {
            ValueList values = ValueList.newInstance();
            while (parser.nextToken() != JsonToken.END_ARRAY) {
                Value v = parseValue(parser, ctxt);
                if (v == null) {
                    throw ctxt.wrongTokenException(parser, JsonToken.START_OBJECT, "Expected Value");
                }
                values.add(v);
            }
            if (getToken(parser) == JsonToken.END_ARRAY) {
                parser.clearCurrentToken();
            } else {
                throw ctxt.wrongTokenException(parser, JsonToken.END_ARRAY, null);
            }
            result = values;
        }
            break;
        default:
            throw ctxt.wrongTokenException(parser, JsonToken.START_OBJECT, "Expected Value");
        }
        return result;
    } else {
        return null;
    }
}

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From source file:org.apache.lucene.server.handlers.AddDocumentHandler.java

/** Parses the current json token into the corresponding
 *  java object. *//* www  .  j av  a  2 s.  com*/
private static Object getNativeValue(FieldDef fd, JsonToken token, JsonParser p) throws IOException {
    Object o;
    if (token == JsonToken.VALUE_STRING) {
        o = p.getText();
    } else if (token == JsonToken.VALUE_NUMBER_INT) {
        o = Long.valueOf(p.getLongValue());
    } else if (token == JsonToken.VALUE_NUMBER_FLOAT) {
        o = Double.valueOf(p.getDoubleValue());
    } else if (token == JsonToken.VALUE_TRUE) {
        o = Boolean.TRUE;
    } else if (token == JsonToken.VALUE_FALSE) {
        o = Boolean.FALSE;
    } else if (fd.faceted.equals("hierarchy") && token == JsonToken.START_ARRAY) {
        if (fd.multiValued == false) {
            List<String> values = new ArrayList<>();
            while (true) {
                token = p.nextToken();
                if (token == JsonToken.END_ARRAY) {
                    break;
                } else if (token != JsonToken.VALUE_STRING) {
                    if (token == JsonToken.START_ARRAY) {
                        fail(fd.name, "expected array of strings, but saw array inside array");
                    } else {
                        fail(fd.name, "expected array of strings, but saw " + token + " inside array");
                    }
                }
                values.add(p.getText());
            }
            o = values;
        } else {
            List<List<String>> values = new ArrayList<>();
            while (true) {
                token = p.nextToken();
                if (token == JsonToken.END_ARRAY) {
                    break;
                } else if (token == JsonToken.START_ARRAY) {
                    List<String> sub = new ArrayList<>();
                    values.add(sub);
                    while (true) {
                        token = p.nextToken();
                        if (token == JsonToken.VALUE_STRING) {
                            sub.add(p.getText());
                        } else if (token == JsonToken.END_ARRAY) {
                            break;
                        } else {
                            fail(fd.name, "expected array of strings or array of array of strings, but saw "
                                    + token + " inside inner array");
                        }
                    }
                } else if (token == JsonToken.VALUE_STRING) {
                    List<String> sub = new ArrayList<>();
                    values.add(sub);
                    sub.add(p.getText());
                } else if (token == JsonToken.START_ARRAY) {
                    fail(fd.name, "expected array of strings, but saw array inside array");
                } else {
                    fail(fd.name, "expected array of strings, but saw " + token + " inside array");
                }
            }
            o = values;
        }
    } else if (fd.valueType == FieldDef.FieldValueType.LAT_LON) {
        if (token != JsonToken.START_ARRAY) {
            fail(fd.name, "latlon field must be [lat, lon] value; got " + token);
        }
        double[] latLon = new double[2];
        token = p.nextToken();
        if (token != JsonToken.VALUE_NUMBER_FLOAT) {
            fail(fd.name, "latlon field must be [lat, lon] value; got " + token);
        }
        latLon[0] = p.getDoubleValue();
        token = p.nextToken();
        if (token != JsonToken.VALUE_NUMBER_FLOAT) {
            fail(fd.name, "latlon field must be [lat, lon] value; got " + token);
        }
        latLon[1] = p.getDoubleValue();
        token = p.nextToken();
        if (token != JsonToken.END_ARRAY) {
            fail(fd.name, "latlon field must be [lat, lon] value; got " + token);
        }
        o = latLon;
    } else {
        String message;
        if (token == JsonToken.VALUE_NULL) {
            message = "null field value not supported; just omit this field from the document instead";
        } else {
            message = "value in inner object field value should be string, int/long, float/double or boolean; got "
                    + token;
        }

        fail(fd.name, message);

        // Dead code but compiler disagrees:
        o = null;
    }
    return o;
}

---

From source file:com.cinnober.msgcodec.json.TypeScannerJsonParserTest.java

private void assertNextFloatValue(double exp, JsonParser p) throws IOException {
    assertEquals(JsonToken.VALUE_NUMBER_FLOAT, p.nextToken());
    assertEquals(exp, p.getDoubleValue(), 1e-4);
}

---

From source file:com.netflix.hollow.jsonadapter.util.JsonUtil.java

private static void print(JsonParser parser, JsonToken token, int index, PrintStream out) throws Exception {
    if (index == 0)
        System.out.println("\n\n -----");
    try {// www  .j a  v a 2  s.  c o  m
        while (token != null && token != JsonToken.END_OBJECT) {
            switch (token) {
            case START_ARRAY:
                print(index, String.format("fieldname=%s, token=%s", parser.getCurrentName(), token), out);
                print(parser, parser.nextToken(), index + 1, out);
                break;
            case START_OBJECT:
                print(index, String.format("fieldname=%s, token=%s", parser.getCurrentName(), token), out);
                print(parser, parser.nextToken(), index + 1, out);
                break;
            case VALUE_NUMBER_INT:
                print(index, String.format("fieldname=%s, token=%s, value=%s", parser.getCurrentName(), token,
                        parser.getLongValue()), out);
                break;
            case VALUE_NUMBER_FLOAT:
                print(index, String.format("fieldname=%s, token=%s, value=%s", parser.getCurrentName(), token,
                        parser.getDoubleValue()), out);
                break;
            case VALUE_NULL:
                print(index,
                        String.format("fieldname=%s, token=%s, value=NULL", parser.getCurrentName(), token),
                        out);
                break;
            case VALUE_STRING:
                print(index, String.format("fieldname=%s, token=%s, value=%s", parser.getCurrentName(), token,
                        parser.getValueAsString()), out);
                break;
            case VALUE_FALSE:
            case VALUE_TRUE:
                print(index, String.format("fieldname=%s, token=%s, value=%s", parser.getCurrentName(), token,
                        parser.getBooleanValue()), out);
                break;
            case FIELD_NAME:
                //print(index, String.format("fieldname=%s, token=%s", parser.getCurrentName(), token));
                break;
            case END_ARRAY:
            case END_OBJECT:
                index--;
                break;
            default:
            }
            token = parser.nextToken();
        }
    } catch (Exception ex) {
        ex.printStackTrace();
        throw ex;
    }
}

---

From source file:com.cedarsoft.serialization.jackson.ListSerializer.java

@Nullable
protected Object deserializeElement(@Nonnull JsonParser deserializeFrom, int index) throws IOException {
    //noinspection EnumSwitchStatementWhichMissesCases
    switch (deserializeFrom.getCurrentToken()) {
    case VALUE_STRING:
        return deserializeFrom.getText();
    case VALUE_NUMBER_INT:
        return deserializeFrom.getIntValue();
    case VALUE_NUMBER_FLOAT:
        return deserializeFrom.getDoubleValue();
    case VALUE_TRUE:
        return true;
    case VALUE_FALSE:
        return false;
    case VALUE_NULL:
        return null;
    }/* w w  w  .j  a v a  2 s .  co m*/

    return deserializeFrom.getText();
}

---

From source file:net.openhft.chronicle.wire.benchmarks.Data.java

public void readFrom(JsonParser parser) throws IOException {
    parser.nextToken();// w  w  w.  j a v  a2 s  .c o m
    while (parser.nextToken() != JsonToken.END_OBJECT) {
        String fieldname = parser.getCurrentName();
        parser.nextToken();
        switch (fieldname) {
        case "price":
            setPrice(parser.getDoubleValue());
            break;
        case "flag":
            flag = parser.getBooleanValue();
            break;
        case "text":
            setText(parser.getValueAsString());
            break;
        case "side":
            side = Side.valueOf(parser.getValueAsString());
            break;
        case "smallInt":
            smallInt = parser.getIntValue();
            break;
        case "longInt":
            longInt = parser.getLongValue();
            break;
        }
    }
}

---

From source file:name.gumartinm.weather.information.parser.JPOSForecastParser.java

private void getForecastWeatherDataObjects(final Forecast forecastWeatherData, final JsonParser jParser,
        final String fieldname) throws JsonParseException, IOException {

    if ("cod".equals(fieldname)) {
        final String stringCod = jParser.getText();
        forecastWeatherData.setCod(Long.valueOf(stringCod));
    }//w  w  w  .j  a  v  a  2  s  .  c om
    if ("message".equals(fieldname)) {
        forecastWeatherData.setMessage(jParser.getDoubleValue());
    }
    if ("city".equals(fieldname)) {
        while (jParser.nextToken() != JsonToken.END_OBJECT) {
            final String namefield = jParser.getCurrentName();
            final JsonToken nextToken = jParser.nextToken(); // move to
            // value
            if ("id".equals(namefield)) {
                forecastWeatherData.getCity().setId(jParser.getLongValue());
            }
            if ("name".equals(namefield)) {
                forecastWeatherData.getCity().setName(jParser.getText());
            }
            if ("coord".equals(namefield)) {
                if (nextToken == JsonToken.START_OBJECT) {
                    this.getForecastWeatherDataObjects(forecastWeatherData, jParser, namefield);
                }
            }
            if ("country".equals(namefield)) {
                forecastWeatherData.getCity().setCountry(jParser.getText());
            }
            if ("population".equals(namefield)) {
                forecastWeatherData.getCity().setPopulation(jParser.getLongValue());
            }
        }
    }
    if ("cnt".equals(fieldname)) {
        forecastWeatherData.setCnt(jParser.getIntValue());
    }
    if ("coord".equals(fieldname)) {
        while (jParser.nextToken() != JsonToken.END_OBJECT) {
            final String namefield = jParser.getCurrentName();
            jParser.nextToken(); // move to value
            if ("lon".equals(namefield)) {
                forecastWeatherData.getCity().getCoord().setLon(jParser.getDoubleValue());
            }
            if ("lat".equals(namefield)) {
                forecastWeatherData.getCity().getCoord().setLat(jParser.getDoubleValue());
            }
        }
    }
    if ("list".equals(fieldname)) {
        final name.gumartinm.weather.information.model.forecastweather.List list = new name.gumartinm.weather.information.model.forecastweather.List();
        list.setTemp(new Temp());
        list.setWeather(new ArrayList<Weather>());
        forecastWeatherData.getList().add(list);
        while (jParser.nextToken() != JsonToken.END_OBJECT) {
            final String namefield = jParser.getCurrentName();
            final JsonToken nextToken = jParser.nextToken(); // move to
            // value
            if ("dt".equals(namefield)) {
                list.setDt(jParser.getLongValue());
            }
            if ("temp".equals(namefield)) {
                if (nextToken == JsonToken.START_OBJECT) {
                    this.getForecastWeatherDataObjects(forecastWeatherData, jParser, namefield);
                }
            }
            if ("pressure".equals(namefield)) {
                list.setPressure(jParser.getDoubleValue());
            }
            if ("humidity".equals(namefield)) {
                list.setHumidity(jParser.getDoubleValue());
            }
            if ("weather".equals(namefield)) {
                if (nextToken == JsonToken.START_ARRAY) {
                    JsonToken tokenNext = jParser.nextToken();
                    while (tokenNext != JsonToken.END_ARRAY) {
                        if (tokenNext == JsonToken.START_OBJECT) {
                            this.getForecastWeatherDataObjects(forecastWeatherData, jParser, namefield);
                        }
                        tokenNext = jParser.nextToken();
                    }
                }
            }
            if ("speed".equals(namefield)) {
                list.setSpeed(jParser.getDoubleValue());
            }
            if ("deg".equals(namefield)) {
                list.setDeg(jParser.getDoubleValue());
            }
            if ("clouds".equals(namefield)) {
                list.setClouds(jParser.getDoubleValue());
            }
            if ("rain".equals(namefield)) {
                list.setRain(jParser.getDoubleValue());
            }
        }
    }
    if ("temp".equals(fieldname)) {
        final name.gumartinm.weather.information.model.forecastweather.List list = forecastWeatherData.getList()
                .get((forecastWeatherData.getList().size() - 1));
        while (jParser.nextToken() != JsonToken.END_OBJECT) {
            final String namefield = jParser.getCurrentName();
            jParser.nextToken(); // move to value
            if ("day".equals(namefield)) {
                list.getTemp().setDay(jParser.getDoubleValue());
            }
            if ("min".equals(namefield)) {
                list.getTemp().setMin(jParser.getDoubleValue());
            }
            if ("max".equals(namefield)) {
                list.getTemp().setMax(jParser.getDoubleValue());
            }
            if ("night".equals(namefield)) {
                list.getTemp().setNight(jParser.getDoubleValue());
            }
            if ("eve".equals(namefield)) {
                list.getTemp().setEve(jParser.getDoubleValue());
            }
            if ("morn".equals(namefield)) {
                list.getTemp().setMorn(jParser.getDoubleValue());
            }
        }
    }
    if ("weather".equals(fieldname)) {
        final name.gumartinm.weather.information.model.forecastweather.List list = forecastWeatherData.getList()
                .get((forecastWeatherData.getList().size() - 1));
        final Weather weather = new Weather();
        while (jParser.nextToken() != JsonToken.END_OBJECT) {
            final String namefield = jParser.getCurrentName();
            jParser.nextToken(); // move to value

            if ("id".equals(namefield)) {
                weather.setId(jParser.getIntValue());
            }
            if ("main".equals(namefield)) {
                weather.setMain(jParser.getText());
            }
            if ("description".equals(namefield)) {
                weather.setDescription(jParser.getText());
            }
            if ("icon".equals(namefield)) {
                weather.setIcon(jParser.getText());
            }
        }
        list.getWeather().add(weather);
    }
}

---

From source file:name.gumartinm.weather.information.parser.JPOSCurrentParser.java

private void getCurrentWeatherDataObjects(final Current currentWeatherData, final JsonParser jParser,
        final String fieldname) throws JsonParseException, IOException {
    if ("coord".equals(fieldname)) {
        while (jParser.nextToken() != JsonToken.END_OBJECT) {
            final String namefield = jParser.getCurrentName();
            jParser.nextToken(); // move to value
            if ("lon".equals(namefield)) {
                currentWeatherData.getCoord().setLon(jParser.getDoubleValue());
            }/*from  www . j a  v a2  s  .c  o  m*/
            if ("lat".equals(namefield)) {
                currentWeatherData.getCoord().setLat(jParser.getDoubleValue());
            }
        }
    }
    if ("sys".equals(fieldname)) {
        while (jParser.nextToken() != JsonToken.END_OBJECT) {
            final String namefield = jParser.getCurrentName();
            jParser.nextToken(); // move to value
            if ("message".equals(namefield)) {
                currentWeatherData.getSys().setMessage(jParser.getDoubleValue());
            }
            if ("country".equals(namefield)) {
                currentWeatherData.getSys().setCountry(jParser.getValueAsString());
            }
            if ("sunrise".equals(namefield)) {
                currentWeatherData.getSys().setSunrise(jParser.getValueAsLong());
            }
            if ("sunset".equals(namefield)) {
                currentWeatherData.getSys().setSunset(jParser.getValueAsLong());
            }
        }
    }
    if ("weather".equals(fieldname)) {
        final Weather weather = new Weather();
        currentWeatherData.getWeather().add(weather);
        while (jParser.nextToken() != JsonToken.END_OBJECT) {
            final String namefield = jParser.getCurrentName();
            jParser.nextToken(); // move to value
            if ("id".equals(namefield)) {
                weather.setId(jParser.getIntValue());
            }
            if ("main".equals(namefield)) {
                weather.setMain(jParser.getText());
            }
            if ("description".equals(namefield)) {
                weather.setDescription(jParser.getText());
            }
            if ("icon".equals(namefield)) {
                weather.setIcon(jParser.getText());
            }

        }
    }
    if ("base".equals(fieldname)) {
        currentWeatherData.setBase(jParser.getText());
    }
    if ("main".equals(fieldname)) {
        while (jParser.nextToken() != JsonToken.END_OBJECT) {
            final String namefield = jParser.getCurrentName();
            jParser.nextToken(); // move to value
            if ("temp".equals(namefield)) {
                currentWeatherData.getMain().setTemp(jParser.getDoubleValue());
            }
            if ("temp_min".equals(namefield)) {
                currentWeatherData.getMain().setTemp_min(jParser.getDoubleValue());
            }
            if ("temp_max".equals(namefield)) {
                currentWeatherData.getMain().setTemp_max(jParser.getDoubleValue());
            }
            if ("pressure".equals(namefield)) {
                currentWeatherData.getMain().setPressure(jParser.getDoubleValue());
            }
            if ("sea_level".equals(namefield)) {
                currentWeatherData.getMain().setSea_level(jParser.getDoubleValue());
            }
            if ("grnd_level".equals(namefield)) {
                currentWeatherData.getMain().setGrnd_level(jParser.getDoubleValue());
            }
            if ("humidity".equals(namefield)) {
                currentWeatherData.getMain().setHumidity(jParser.getDoubleValue());
            }
        }
    }
    if ("wind".equals(fieldname)) {
        while (jParser.nextToken() != JsonToken.END_OBJECT) {
            final String namefield = jParser.getCurrentName();
            jParser.nextToken(); // move to value
            if ("speed".equals(namefield)) {
                currentWeatherData.getWind().setSpeed(jParser.getDoubleValue());
            }
            if ("deg".equals(namefield)) {
                currentWeatherData.getWind().setDeg(jParser.getDoubleValue());
            }
        }
    }
    if ("clouds".equals(fieldname)) {
        while (jParser.nextToken() != JsonToken.END_OBJECT) {
            final String namefield = jParser.getCurrentName();
            jParser.nextToken(); // move to value
            if ("all".equals(namefield)) {
                currentWeatherData.getClouds().setAll(jParser.getDoubleValue());
            }
        }
    }
    if ("dt".equals(fieldname)) {
        currentWeatherData.setDt(jParser.getLongValue());
    }
    if ("rain".equals(fieldname)) {
        while (jParser.nextToken() != JsonToken.END_OBJECT) {
            final String namefield = jParser.getCurrentName();
            jParser.nextToken(); // move to value
            if ("3h".equals(namefield)) {
                currentWeatherData.getRain().set3h(jParser.getDoubleValue());
            }
        }
    }
    if ("snow".equals(fieldname)) {
        while (jParser.nextToken() != JsonToken.END_OBJECT) {
            final String namefield = jParser.getCurrentName();
            jParser.nextToken(); // move to value
            if ("3h".equals(namefield)) {
                currentWeatherData.getSnow().set3h(jParser.getDoubleValue());
            }
        }
    }
    if ("id".equals(fieldname)) {
        currentWeatherData.setId(jParser.getLongValue());
    }
    if ("name".equals(fieldname)) {
        currentWeatherData.setName(jParser.getText());
    }
    if ("cod".equals(fieldname)) {
        currentWeatherData.setCod(jParser.getIntValue());
    }
}

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From source file:org.oscim.utils.overpass.OverpassAPIReader.java

private void parseNode(JsonParser jp) throws JsonParseException, IOException {

    long id = 0;//from   w  w w.j a  va 2 s . c  o m
    double lat = 0, lon = 0;
    TagSet tags = null;

    while (jp.nextToken() != JsonToken.END_OBJECT) {

        String name = jp.getCurrentName();
        jp.nextToken();

        if ("id".equals(name))
            id = jp.getLongValue();

        else if ("lat".equals(name))
            lat = jp.getDoubleValue();

        else if ("lon".equals(name))
            lon = jp.getDoubleValue();

        else if ("tags".equals(name))
            tags = parseTags(jp);

    }

    // log("node: "+id + " "+ lat + " " + lon);
    OsmNode node = new OsmNode(lat, lon, tags, id);
    ownNodes.add(node);
    nodesById.put(Long.valueOf(id), node);
}

---

From source file:org.hyperledger.dropwizard.hocon.HoconDeserializer.java

protected ConfigValue deserializeScalar(JsonParser jp, DeserializationContext ctxt) throws IOException {
    switch (jp.getCurrentToken()) {
    case VALUE_EMBEDDED_OBJECT:
        throw ctxt.mappingException(JsonValue.class);
    case VALUE_FALSE:
        return ConfigValueFactory.fromAnyRef(false);
    case VALUE_TRUE:
        return ConfigValueFactory.fromAnyRef(true);
    case VALUE_NULL:
        return ConfigValueFactory.fromAnyRef(null);
    case VALUE_NUMBER_FLOAT:
    // very cumbersome... but has to be done
    {/*w  w w .j av  a  2  s .  co  m*/
        if (jp.getNumberType() == JsonParser.NumberType.BIG_DECIMAL) {
            return ConfigValueFactory.fromAnyRef(jp.getDecimalValue());
        }
        return ConfigValueFactory.fromAnyRef(jp.getDoubleValue());
    }
    case VALUE_NUMBER_INT: {
        switch (jp.getNumberType()) {
        case LONG:
            return ConfigValueFactory.fromAnyRef(jp.getLongValue());
        case INT:
            return ConfigValueFactory.fromAnyRef(jp.getIntValue());
        default:
            return ConfigValueFactory.fromAnyRef(jp.getBigIntegerValue());
        }
    }
    case VALUE_STRING:
        return ConfigValueFactory.fromAnyRef(jp.getText());
    default: // errors, should never get here
        //        case END_ARRAY:
        //        case END_OBJECT:
        //        case FIELD_NAME:
        //        case NOT_AVAILABLE:
        //        case START_ARRAY:
        //        case START_OBJECT:
        throw ctxt.mappingException(_valueClass);
    }
}

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