Example usage for com.google.gson JsonElement getAsDouble

Introduction

In this page you can find the example usage for com.google.gson JsonElement getAsDouble.

Prototype

public double getAsDouble() 

Source Link

Document

convenience method to get this element as a primitive double value.

Usage

From source file:com.sldeditor.exportdata.esri.symbols.BaseSymbol.java

License:Open Source License

/**
 * Gets the value as a double.//  www  .j  a v  a2  s .c o  m
 *
 * @param obj the obj
 * @param field the field
 * @return the double
 */
protected static double getDouble(JsonObject obj, String field) {
    double value = 0.0;

    if (obj != null) {
        JsonElement element = obj.get(field);

        if (element != null) {
            value = element.getAsDouble();
        }
    }
    return value;
}

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From source file:com.sldeditor.exportdata.esri.symbols.CartographicLineSymbol.java

License:Open Source License

/**
 * Convert.//from w ww.  j a v  a  2 s .  c o m
 *
 * @param element the element
 * @return the list of strokes
 */
@SuppressWarnings("deprecation")
@Override
public List<Stroke> convert(JsonElement element) {

    if (element == null)
        return null;

    JsonObject obj = element.getAsJsonObject();

    List<Stroke> strokeList = new ArrayList<Stroke>();

    double width = getDouble(obj, CommonSymbolKeys.WIDTH);

    Stroke stroke = styleFactory.createStroke(getColour(obj.get(CommonSymbolKeys.COLOUR)), ff.literal(width));

    // Line dash pattern
    JsonElement templateElement = obj.get(CartographicLineSymbolKeys.TEMPLATE);
    if (templateElement != null) {
        JsonArray templateArray = templateElement.getAsJsonArray();
        List<Float> patternList = new ArrayList<Float>();

        for (int index = 0; index < templateArray.size(); index++) {
            JsonObject patternElement = templateArray.get(index).getAsJsonObject();
            float mark = 0.0f;
            JsonElement markElement = patternElement.get(CartographicLineSymbolKeys.MARK);
            if (markElement != null) {
                mark = markElement.getAsFloat();
            }
            patternList.add(mark);

            float gap = 0.0f;
            JsonElement gapElement = patternElement.get(CartographicLineSymbolKeys.GAP);
            if (gapElement != null) {
                gap = gapElement.getAsFloat();
            }
            patternList.add(gap);
        }

        float[] dashArray = new float[patternList.size()];

        int index = 0;
        for (Float value : patternList) {
            dashArray[index] = value;
            index++;
        }

        stroke.setDashArray(dashArray);

        // Start of line offset
        JsonElement lineStartOffsetElement = obj.get(CartographicLineSymbolKeys.LINE_START_OFFSET);

        if (lineStartOffsetElement != null) {
            stroke.setDashOffset(ff.literal(lineStartOffsetElement.getAsDouble()));
        }
    }

    strokeList.add(stroke);

    return strokeList;
}

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From source file:com.solidfire.jsvcgen.serialization.OptionalAdapter.java

License:Open Source License

/**
 * Deserializes an Optional object.// w ww .  j a v a  2  s .  com
 *
 * @param json    the element to deserialize.
 * @param typeOfT type of the expected return value.
 * @param context Context used for deserialization.
 * @return An Optional object containing an object of type typeOfT.
 */
public Optional<?> deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
    if (!json.isJsonObject() && !json.isJsonArray()) {
        if (json.isJsonNull() || json.getAsString() == null) {
            return Optional.empty();
        }
    }

    ParameterizedType pType = (ParameterizedType) typeOfT;
    Type genericType = pType.getActualTypeArguments()[0];

    // Special handling for string, "" will return Optional.of("")
    if (genericType.equals(String.class)) {
        return Optional.of(json.getAsString());
    }

    if (!json.isJsonObject() && !json.isJsonArray() && json.getAsString().trim().length() == 0) {
        return Optional.empty();
    }

    if (json.isJsonObject() || json.isJsonArray()) {
        if (json.isJsonNull()) {
            return Optional.empty();
        }
    }

    if (genericType.equals(Integer.class)) {
        return Optional.of(json.getAsInt());
    } else if (genericType.equals(Long.class)) {
        return Optional.of(json.getAsLong());
    } else if (genericType.equals(Double.class)) {
        return Optional.of(json.getAsDouble());
    }

    // Defer deserialization to handler for type contained in Optional
    Object obj = context.deserialize(json, genericType);
    OptionalAdaptorUtils.initializeAllNullOptionalFieldsAsEmpty(obj);
    return Optional.of(obj);
}

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From source file:com.stratio.decision.serializer.gson.impl.ColumnNameTypeValueDeserializer.java

License:Apache License

@Override
public ColumnNameTypeValue deserialize(JsonElement element, Type type, JsonDeserializationContext ctx)
        throws JsonParseException {
    final JsonObject object = element.getAsJsonObject();
    String name = null;/*  ww  w  . j  a  va 2s . co m*/
    ColumnType columnType = null;
    Object value = null;
    if (object != null && object.has(COLUMN_FIELD) && object.has(TYPE_FIELD)) {
        name = object.get(COLUMN_FIELD).getAsString();
        columnType = ColumnType.valueOf(object.get(TYPE_FIELD).getAsString());

        if (object.has(VALUE_FIELD)) {
            JsonElement jsonValue = object.get(VALUE_FIELD);
            switch (columnType) {
            case BOOLEAN:
                value = jsonValue.getAsBoolean();
                break;
            case DOUBLE:
                value = jsonValue.getAsDouble();
                break;
            case FLOAT:
                value = jsonValue.getAsFloat();
                break;
            case INTEGER:
                value = jsonValue.getAsInt();
                break;
            case LONG:
                value = jsonValue.getAsLong();
                break;
            case STRING:
                value = jsonValue.getAsString();
                break;
            default:
                break;
            }
        } else {
            log.warn("Column with name {} has no value", name);
        }

        if (log.isDebugEnabled()) {
            log.debug("Values obtained into ColumnNameTypeValue deserialization: "
                    + "NAME: {}, VALUE: {}, COLUMNTYPE: {}", name, value, columnType);
        }
    } else {
        log.warn("Error deserializing ColumnNameTypeValue from json. JsonObject is not complete: {}", element);
    }

    return new ColumnNameTypeValue(name, columnType, value);
}

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From source file:com.strato.hidrive.api.JSONDataReader.java

License:Apache License

@Override
public double readDoubleWithName(String name) {
    double defaultValue = 0D;
    return get(name, defaultValue, new ElementValue<Double>() {
        @Override//  w  ww.ja va2s  .  co m
        public Double value(JsonElement jsonElement) {
            return jsonElement.getAsDouble();
        }
    });
}

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From source file:com.tsc9526.monalisa.orm.tools.converters.impl.ArrayTypeConversion.java

License:Open Source License

protected Object convertJsonToArray(JsonArray array, Class<?> type) {
    Object value = null;//from  w  w  w  .j  ava2s  . co  m
    if (type == int[].class) {
        int[] iv = new int[array.size()];
        for (int i = 0; i < array.size(); i++) {
            JsonElement e = array.get(i);
            iv[i] = e.getAsInt();
        }
        value = iv;
    } else if (type == float[].class) {
        float[] iv = new float[array.size()];
        for (int i = 0; i < array.size(); i++) {
            JsonElement e = array.get(i);
            iv[i] = e.getAsFloat();
        }
        value = iv;
    } else if (type == long[].class) {
        long[] iv = new long[array.size()];
        for (int i = 0; i < array.size(); i++) {
            JsonElement e = array.get(i);
            iv[i] = e.getAsLong();
        }
        value = iv;
    } else if (type == double[].class) {
        double[] iv = new double[array.size()];
        for (int i = 0; i < array.size(); i++) {
            JsonElement e = array.get(i);
            iv[i] = e.getAsDouble();
        }
        value = iv;
    } else {//String[]
        String[] iv = new String[array.size()];
        for (int i = 0; i < array.size(); i++) {
            JsonElement e = array.get(i);
            if (e.isJsonPrimitive()) {
                iv[i] = e.getAsString();
            } else {
                iv[i] = e.toString();
            }
        }
        value = iv;
    }

    return value;
}

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From source file:com.tsc9526.monalisa.tools.json.MelpJson.java

License:Open Source License

public static double getDouble(JsonObject json, String name, double defaultValue) {
    JsonElement e = json.get(name);
    if (e == null || e.isJsonNull()) {
        return defaultValue;
    } else {/*from   w  w  w.  ja v a  2s  . c  om*/
        return e.getAsDouble();
    }
}

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From source file:com.tsp.solver.Solver.java

public static ArrayList<ArrayList<Double>> getDistancesFromMapBox(List<LatLng> places) {
    List<String> addresses = places.stream().map(x -> x.toLngLat()).collect(Collectors.toList());
    ArrayList<ArrayList<Double>> result = new ArrayList<>(places.size());
    for (int i = 0; i < places.size(); ++i) {
        result.add(new ArrayList<Double>(places.size()));
        for (int j = 0; j < places.size(); ++j) {
            result.get(i).add(0.0);//  ww  w  .  ja  v a2 s. c om
        }
    }
    String url_start = "https://api.mapbox.com/directions-matrix/v1/mapbox/driving/";
    String destinations = "&destinations=";
    String sources = "?sources=";
    String key = "access_token=pk.eyJ1IjoibGluYXI5NSIsImEiOiJjajNyOHFreXcwMDBwNHVvMmIwdDA3ZTdpIn0.nnpzy7elxJr2cM-gPKaAZQ";
    int count = places.size();
    if (count <= 25) {
        String coords = "";
        for (int i = 0; i < count; ++i) {
            if (i != 0) {
                coords += ";";
            }
            coords += addresses.get(i);
        }
        String url = url_start + coords + "?" + key;
        log.debug("URL=" + url);
        try {
            //Thread.sleep(100);
            InputStreamReader in = new InputStreamReader((new URL(url)).openStream());
            JsonElement jelement = new JsonParser().parse(in);
            JsonObject jobject = jelement.getAsJsonObject();
            JsonArray rows = jobject.getAsJsonArray("durations");
            int i = 0;
            for (JsonElement je : rows) {
                JsonArray elements = je.getAsJsonArray();
                int j = 0;
                for (JsonElement je2 : elements) {
                    double value = je2.getAsDouble();
                    result.get(i).set(j, value * 1.0);
                    j++;
                }
                i++;
            }
        } catch (Exception ex) {
            java.util.logging.Logger.getLogger(Solver.class.getName()).log(Level.SEVERE, "Unknown exception :D",
                    ex);
        }
        return result;
    }
    //if count > 25
    int url_count = 0;
    int maxSize = 12; //max size of Matrix for one request 12*12
    for (int i = 0; i <= places.size() / maxSize; ++i) {
        int n = Math.min(count, maxSize);
        String coords1 = "";
        String src = new String(sources);
        for (int j = i * maxSize; j < i * maxSize + n; ++j) {
            if (j != i * maxSize) {
                coords1 += ";";
                src += ";";
            }
            coords1 += addresses.get(j);
            src += j - i * maxSize;
        }
        int count2 = places.size();
        for (int k = 0; k <= places.size() / maxSize; ++k) {
            int m = Math.min(maxSize, count2);
            String coords2 = "";
            String dst = new String(destinations);
            for (int j = k * maxSize; j < k * maxSize + m; ++j) {
                if (j != k * maxSize) {
                    dst += ";";
                }
                dst += j - k * maxSize;
                coords2 += ";";
                coords2 += addresses.get(j);
            }
            count2 -= m;
            String url = url_start + coords1 + coords2 + src + dst + "&" + key;
            log.debug("URL=" + url);
            try {
                if (url_count == 60) {
                    Thread.sleep(60000);
                    url_count = 0;
                }
                InputStreamReader in = new InputStreamReader((new URL(url)).openStream());
                url_count++;
                JsonElement jelement = new JsonParser().parse(in);
                JsonObject jobject = jelement.getAsJsonObject();
                JsonArray rows = jobject.getAsJsonArray("durations");
                int ii = i * maxSize;
                for (JsonElement je : rows) {
                    JsonArray elements = je.getAsJsonArray();
                    int jj = k * maxSize;
                    for (JsonElement je2 : elements) {
                        double value = je2.getAsDouble();
                        result.get(ii).set(jj, value * 1.0);
                        jj++;
                    }
                    ii++;
                }
            } catch (Exception ex) {
                java.util.logging.Logger.getLogger(Solver.class.getName()).log(Level.SEVERE,
                        "Unknown exception :D", ex);
            }
        }
        count -= n;
        if (count == 0)
            break;
    }
    return result;
}

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From source file:com.unovo.frame.utils.gson.deserializer.DoubleJsonDeserializer.java

License:Open Source License

@Override
public Double deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    try {// ww w.  ja v  a 2 s. c  o  m
        return json.getAsDouble();
    } catch (Exception e) {
        Logger.i("DoubleJsonDeserializer-deserialize-error:" + (json != null ? json.toString() : ""));
        return 0D;
    }
}

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From source file:com.wallellen.wechat.common.util.json.GsonHelper.java

License:Open Source License

public static Double getAsDouble(JsonElement element) {
    return isNull(element) ? null : element.getAsDouble();
}

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