Example usage for com.google.gson JsonPrimitive getAsDouble

List of usage examples for com.google.gson JsonPrimitive getAsDouble

Introduction

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

Prototype

@Override
public double getAsDouble() 

Source Link

Document

convenience method to get this element as a primitive double.

Usage

From source file:com.softwarementors.extjs.djn.router.processor.standard.json.JsonRequestProcessor.java

License:Open Source License

private @CheckForNull Object toSimpleJavaType(JsonElement jsonValue) {
    if (jsonValue == null)
        return null; //VR
    Object value = null;//w  ww.ja  v a2 s. c  o m
    if (!jsonValue.isJsonNull()) {
        if (jsonValue.isJsonPrimitive()) {
            JsonPrimitive primitive = jsonValue.getAsJsonPrimitive();
            if (primitive.isBoolean()) {
                value = Boolean.valueOf(primitive.getAsBoolean());
            } else if (primitive.isNumber()) {
                value = Double.valueOf(primitive.getAsDouble());
            } else if (primitive.isString()) {
                value = primitive.getAsString();
            } else {
                throw UnexpectedException.forUnexpectedCodeBranchExecuted();
            }
        } else if (jsonValue.isJsonArray()) {
            //This simply does not work (?) 
            JsonArray array = jsonValue.getAsJsonArray();
            Object[] result = new Object[array.size()];
            for (int i = 0; i < array.size(); i++) {
                result[i] = toSimpleJavaType(array.get(i));
            }
            value = result;
        } else if (jsonValue.isJsonObject()) {
            //This simply does not work (?)
            //value = getGson().fromJson(jsonValue, Map.class );

            JsonObject obj = jsonValue.getAsJsonObject();
            Iterator<Entry<String, JsonElement>> properties = obj.entrySet().iterator();
            Map<String, Object> result = new HashMap<String, Object>();
            while (properties.hasNext()) {
                Entry<String, JsonElement> property = properties.next();
                JsonElement propertyValue = property.getValue();
                result.put(property.getKey(), toSimpleJavaType(propertyValue));
            }
            value = result;
        } else {
            throw UnexpectedException.forUnexpectedCodeBranchExecuted();
        }
    }

    return value;
}

From source file:cosmos.records.JsonRecords.java

License:Apache License

/**
 * Parses a {@link JsonObject{ into a MapRecord. A duplicate key in the JsonObject will
 * overwrite the previous key./*  ww  w. java2 s.com*/
 * @param map The JsonObject being parsed
 * @param generator Construct to generate a docId for this {@link MapRecord}
 * @return A MapRecord built from the {@link JsonObject}
 */
protected static MapRecord asMapRecord(JsonObject map, DocIdGenerator generator) {
    Map<Column, RecordValue<?>> data = Maps.newHashMap();
    for (Entry<String, JsonElement> entry : map.entrySet()) {
        final Column key = Column.create(entry.getKey());
        final JsonElement value = entry.getValue();

        if (value.isJsonNull()) {
            data.put(key, null);
        } else if (value.isJsonPrimitive()) {
            JsonPrimitive primitive = (JsonPrimitive) value;

            // Numbers
            if (primitive.isNumber()) {
                NumberRecordValue<?> v;

                double d = primitive.getAsDouble();
                if ((int) d == d) {
                    v = new IntegerRecordValue((int) d, Defaults.EMPTY_VIS);
                } else if ((long) d == d) {
                    v = new LongRecordValue((long) d, Defaults.EMPTY_VIS);
                } else {
                    v = new DoubleRecordValue(d, Defaults.EMPTY_VIS);
                }

                data.put(key, v);

            } else if (primitive.isString()) {
                // String
                data.put(key, new StringRecordValue(primitive.getAsString(), Defaults.EMPTY_VIS));

            } else if (primitive.isBoolean()) {
                // Boolean
                data.put(key, new BooleanRecordValue(primitive.getAsBoolean(), Defaults.EMPTY_VIS));

            } else if (primitive.isJsonNull()) {
                // Is this redundant?
                data.put(key, null);
            } else {
                throw new RuntimeException("Unhandled primitive: " + primitive);
            }
        } else {
            throw new RuntimeException("Expected a String, Number or Boolean");
        }
    }

    return new MapRecord(data, generator.getDocId(data), Defaults.EMPTY_VIS);
}

From source file:cosmos.records.JsonRecords.java

License:Apache License

/**
 * Builds a {@link MultimapRecord} from the provided {@link JsonObject} using a docid
 * from the {@link DocIdGenerator}. This method will support lists of values for a key
 * in the {@link JsonObject} but will fail on values which are {@link JsonObject}s and 
 * values which have nested {@link JsonArray}s. 
 * @param map The {@link JsonObject} to build this {@link MultimapRecord} from
 * @param generator {@link DocIdGenerator} to construct a docid for this {@link MultimapRecord}
 * @return A {@link MultimapRecord} built from the provided arguments.
 *///w  w w. ja  v  a2  s .c  o  m
protected static MultimapRecord asMultimapRecord(JsonObject map, DocIdGenerator generator) {
    Multimap<Column, RecordValue<?>> data = HashMultimap.create();
    for (Entry<String, JsonElement> entry : map.entrySet()) {
        final Column key = Column.create(entry.getKey());
        final JsonElement value = entry.getValue();

        if (value.isJsonNull()) {
            data.put(key, null);
        } else if (value.isJsonPrimitive()) {
            JsonPrimitive primitive = (JsonPrimitive) value;

            // Numbers
            if (primitive.isNumber()) {
                NumberRecordValue<?> v;

                double d = primitive.getAsDouble();
                if ((int) d == d) {
                    v = new IntegerRecordValue((int) d, Defaults.EMPTY_VIS);
                } else if ((long) d == d) {
                    v = new LongRecordValue((long) d, Defaults.EMPTY_VIS);
                } else {
                    v = new DoubleRecordValue(d, Defaults.EMPTY_VIS);
                }

                data.put(key, v);

            } else if (primitive.isString()) {
                // String
                data.put(key, new StringRecordValue(primitive.getAsString(), Defaults.EMPTY_VIS));

            } else if (primitive.isBoolean()) {
                // Boolean
                data.put(key, new BooleanRecordValue(primitive.getAsBoolean(), Defaults.EMPTY_VIS));

            } else if (primitive.isJsonNull()) {
                // Is this redundant?
                data.put(key, null);
            } else {
                throw new RuntimeException("Unhandled primitive: " + primitive);
            }
        } else if (value.isJsonArray()) {

            // Multimaps should handle the multiple values, not fail
            JsonArray values = value.getAsJsonArray();
            for (JsonElement element : values) {
                if (element.isJsonNull()) {
                    data.put(key, null);
                } else if (element.isJsonPrimitive()) {

                    JsonPrimitive primitive = (JsonPrimitive) element;

                    // Numbers
                    if (primitive.isNumber()) {
                        NumberRecordValue<?> v;

                        double d = primitive.getAsDouble();
                        if ((int) d == d) {
                            v = new IntegerRecordValue((int) d, Defaults.EMPTY_VIS);
                        } else if ((long) d == d) {
                            v = new LongRecordValue((long) d, Defaults.EMPTY_VIS);
                        } else {
                            v = new DoubleRecordValue(d, Defaults.EMPTY_VIS);
                        }

                        data.put(key, v);

                    } else if (primitive.isString()) {
                        // String
                        data.put(key, new StringRecordValue(primitive.getAsString(), Defaults.EMPTY_VIS));

                    } else if (primitive.isBoolean()) {
                        // Boolean
                        data.put(key, new BooleanRecordValue(primitive.getAsBoolean(), Defaults.EMPTY_VIS));

                    } else if (primitive.isJsonNull()) {
                        // Is this redundant?
                        data.put(key, null);
                    } else {
                        throw new RuntimeException("Unhandled Json primitive: " + primitive);
                    }
                } else {
                    throw new RuntimeException("Expected a Json primitive");
                }
            }

        } else {
            throw new RuntimeException("Expected a String, Number or Boolean");
        }
    }

    return new MultimapRecord(data, generator.getDocId(data), Defaults.EMPTY_VIS);

}

From source file:de.innovationgate.wgpublisher.webtml.utils.JsonUtils.java

License:Open Source License

public Object jsonToJava(JsonElement jsonValue) {
    Object value = null;//w w w .  j  a v  a 2  s .c o m
    if (jsonValue.isJsonNull()) {
        value = null;
    } else if (jsonValue.isJsonPrimitive()) {
        JsonPrimitive prim = (JsonPrimitive) jsonValue;
        if (prim.isNumber()) {
            value = prim.getAsDouble();
        } else if (prim.isBoolean()) {
            value = prim.getAsBoolean();
        } else {
            value = prim.getAsString();
        }
        value = jsonToJavaConversions(value);
    } else if (jsonValue.isJsonArray()) {
        JsonArray array = jsonValue.getAsJsonArray();
        List<Object> list = new ArrayList<Object>();
        for (JsonElement element : array) {
            list.add(jsonToJava(element));
        }
    } else if (jsonValue.isJsonObject()) {
        JsonObject obj = jsonValue.getAsJsonObject();
        Map<String, Object> map = new HashMap<String, Object>();
        for (Map.Entry<String, JsonElement> entry : obj.entrySet()) {
            map.put(String.valueOf(entry.getKey()), jsonToJava(entry.getValue()));
        }
    }

    return value;
}

From source file:leola.web.WebLeolaLibrary.java

License:Open Source License

/**
 * Converts the {@link JsonElement} into the equivalent {@link LeoObject}
 * //from w w w  .  j a  va2 s  .  c om
 * @param element
 * @return the {@link LeoObject}
 */
private static LeoObject toLeoObject(JsonElement element) {
    if (element == null || element.isJsonNull()) {
        return LeoObject.NULL;
    }

    if (element.isJsonArray()) {
        JsonArray array = element.getAsJsonArray();
        LeoArray leoArray = new LeoArray(array.size());
        array.forEach(e -> leoArray.add(toLeoObject(e)));
        return leoArray;
    }

    if (element.isJsonObject()) {
        JsonObject object = element.getAsJsonObject();
        LeoMap leoMap = new LeoMap();
        object.entrySet().forEach(entry -> {
            leoMap.putByString(entry.getKey(), toLeoObject(entry.getValue()));
        });

        return leoMap;
    }

    if (element.isJsonPrimitive()) {
        JsonPrimitive primitive = element.getAsJsonPrimitive();
        if (primitive.isBoolean()) {
            return LeoObject.valueOf(primitive.getAsBoolean());
        }

        if (primitive.isNumber()) {
            return LeoObject.valueOf(primitive.getAsDouble());
        }

        if (primitive.isString()) {
            return LeoString.valueOf(primitive.getAsString());
        }
    }

    return LeoObject.NULL;
}

From source file:me.boomboompower.togglechat.utils.BetterJsonObject.java

License:Open Source License

/**
 * The optional double method, returns the default value if
 * the key is null, empty or the data does not contain
 * the key. This will also return the default value if
 * the data value is not a number//from   www. ja  v  a 2s . c  o m
 *
 * @param key the key the value will be loaded from
 * @return the value in the json data set or the default if the key cannot be found
 */
public double optDouble(String key, double value) {
    if (key == null || key.isEmpty() || !has(key)) {
        return value;
    }

    JsonPrimitive primitive = asPrimitive(get(key));

    try {
        if (primitive != null && primitive.isNumber()) {
            return primitive.getAsDouble();
        }
    } catch (NumberFormatException ignored) {
    }
    return value;
}

From source file:net.nexustools.njs.JSON.java

License:Open Source License

public JSON(final Global global) {
    super(global);
    setHidden("stringify", new AbstractFunction(global) {

        public java.lang.String stringify(BaseObject object) {
            StringBuilder builder = new StringBuilder();
            stringify(object, builder);//from www .ja v a2  s .  com
            return builder.toString();
        }

        public void stringify(BaseObject object, StringBuilder builder) {
            if (Utilities.isUndefined(object)) {
                builder.append("null");
                return;
            }

            BaseObject toJSON = object.get("toJSON", OR_NULL);
            if (toJSON != null)
                stringify0(((BaseFunction) toJSON).call(object), builder);
            else
                stringify0(object, builder);
        }

        public void stringify0(BaseObject object, StringBuilder builder) {
            if (object instanceof GenericArray) {
                builder.append('[');
                if (((GenericArray) object).length() > 0) {
                    stringify(object.get(0), builder);
                    for (int i = 1; i < ((GenericArray) object).length(); i++) {
                        builder.append(',');
                        stringify(object.get(i), builder);
                    }
                }
                builder.append(']');
            } else if (object instanceof String.Instance) {
                builder.append('"');
                builder.append(object.toString());
                builder.append('"');
            } else if (object instanceof Number.Instance) {
                double number = ((Number.Instance) object).value;
                if (Double.isNaN(number) || Double.isInfinite(number))
                    builder.append("null");

                builder.append(object.toString());
            } else if (object instanceof Boolean.Instance)
                builder.append(object.toString());
            else {
                builder.append('{');
                Iterator<java.lang.String> it = object.keys().iterator();
                if (it.hasNext()) {

                    java.lang.String key = it.next();
                    builder.append('"');
                    builder.append(key);
                    builder.append("\":");
                    stringify(object.get(key), builder);

                    if (it.hasNext()) {
                        do {
                            builder.append(',');
                            key = it.next();
                            builder.append('"');
                            builder.append(key);
                            builder.append("\":");
                            stringify(object.get(key), builder);
                        } while (it.hasNext());
                    }
                }
                builder.append('}');
            }
        }

        @Override
        public BaseObject call(BaseObject _this, BaseObject... params) {
            switch (params.length) {
            case 0:
                return Undefined.INSTANCE;

            case 1:
                if (params[0] == Undefined.INSTANCE)
                    return Undefined.INSTANCE;
                return global.wrap(stringify(params[0]));

            default:
                return global.wrap("undefined");
            }
        }

        @Override
        public java.lang.String name() {
            return "JSON_stringify";
        }
    });
    setHidden("parse", new AbstractFunction(global) {
        final Gson GSON;
        {
            GsonBuilder gsonBuilder = new GsonBuilder();
            gsonBuilder.registerTypeAdapter(BaseObject.class, new JsonDeserializer<BaseObject>() {
                @Override
                public BaseObject deserialize(JsonElement je, Type type, JsonDeserializationContext jdc)
                        throws JsonParseException {
                    if (je.isJsonNull())
                        return Null.INSTANCE;
                    if (je.isJsonPrimitive()) {
                        JsonPrimitive primitive = je.getAsJsonPrimitive();
                        if (primitive.isBoolean())
                            return primitive.getAsBoolean() ? global.Boolean.TRUE : global.Boolean.FALSE;
                        if (primitive.isNumber())
                            return global.wrap(primitive.getAsDouble());
                        if (primitive.isString())
                            return global.wrap(primitive.getAsString());
                        throw new UnsupportedOperationException(primitive.toString());
                    }
                    if (je.isJsonObject()) {
                        GenericObject go = new GenericObject(global);
                        JsonObject jo = je.getAsJsonObject();
                        for (Map.Entry<java.lang.String, JsonElement> entry : jo.entrySet()) {
                            go.set(entry.getKey(), deserialize(entry.getValue(), type, jdc));
                        }
                        return go;
                    }
                    if (je.isJsonArray()) {
                        JsonArray ja = je.getAsJsonArray();
                        BaseObject[] array = new BaseObject[ja.size()];
                        for (int i = 0; i < array.length; i++) {
                            array[i] = deserialize(ja.get(i), type, jdc);
                        }
                        return new GenericArray(global, array);
                    }
                    throw new UnsupportedOperationException(je.toString());
                }
            });
            GSON = gsonBuilder.create();
        }

        @Override
        public BaseObject call(BaseObject _this, BaseObject... params) {
            try {
                return GSON.fromJson(params[0].toString(), BaseObject.class);
            } catch (com.google.gson.JsonSyntaxException ex) {
                throw new Error.JavaException("SyntaxError", "Unexpected token", ex);
            }
        }

        @Override
        public java.lang.String name() {
            return "JSON_parse";
        }
    });
}

From source file:org.apache.airavata.common.utils.JSONUtil.java

License:Apache License

private static boolean isEqual(JsonPrimitive primitiveOrig, JsonPrimitive primitiveNew) {
    if (primitiveOrig == null && primitiveNew == null) {
        return true;
    } else if (primitiveOrig == null || primitiveNew == null) {
        return false;
    } else {/*  w  w  w .ja  va 2  s. c  o  m*/
        if (primitiveOrig.isString() && primitiveNew.isString()) {
            if (!primitiveOrig.getAsString().equals(primitiveNew.getAsString())) {
                return false;
            }
        } else if (primitiveOrig.isBoolean() && primitiveNew.isBoolean()) {
            if ((Boolean.valueOf(primitiveOrig.getAsBoolean()).compareTo(primitiveNew.getAsBoolean()) != 0)) {
                return false;
            }
        } else if (primitiveOrig.isNumber() && primitiveNew.isNumber()) {
            if (new Double(primitiveOrig.getAsDouble()).compareTo(primitiveNew.getAsDouble()) != 0) {
                return false;
            }
        } else {
            return primitiveOrig.isJsonNull() && primitiveNew.isJsonNull();
        }
    }
    return true;
}

From source file:org.apache.orc.tools.json.JsonSchemaFinder.java

License:Apache License

static HiveType pickType(JsonElement json) {
    if (json.isJsonPrimitive()) {
        JsonPrimitive prim = (JsonPrimitive) json;
        if (prim.isBoolean()) {
            return new BooleanType();
        } else if (prim.isNumber()) {
            Matcher matcher = DECIMAL_PATTERN.matcher(prim.getAsString());
            if (matcher.matches()) {
                int intDigits = matcher.group("int").length();
                String fraction = matcher.group("fraction");
                int scale = fraction == null ? 0 : fraction.length();
                if (scale == 0) {
                    if (intDigits < 19) {
                        long value = prim.getAsLong();
                        if (value >= -128 && value < 128) {
                            return new NumericType(HiveType.Kind.BYTE, intDigits, scale);
                        } else if (value >= -32768 && value < 32768) {
                            return new NumericType(HiveType.Kind.SHORT, intDigits, scale);
                        } else if (value >= -2147483648 && value < 2147483648L) {
                            return new NumericType(HiveType.Kind.INT, intDigits, scale);
                        } else {
                            return new NumericType(HiveType.Kind.LONG, intDigits, scale);
                        }/*w  w  w .  j  a v a  2  s  . co  m*/
                    } else if (intDigits == 19) {
                        // at 19 digits, it may fit inside a long, but we need to check
                        BigInteger val = prim.getAsBigInteger();
                        if (val.compareTo(MIN_LONG) >= 0 && val.compareTo(MAX_LONG) <= 0) {
                            return new NumericType(HiveType.Kind.LONG, intDigits, scale);
                        }
                    }
                }
                if (intDigits + scale <= MAX_DECIMAL_DIGITS) {
                    return new NumericType(HiveType.Kind.DECIMAL, intDigits, scale);
                }
            }
            double value = prim.getAsDouble();
            if (value >= Float.MIN_VALUE && value <= Float.MAX_VALUE) {
                return new NumericType(HiveType.Kind.FLOAT, 0, 0);
            } else {
                return new NumericType(HiveType.Kind.DOUBLE, 0, 0);
            }
        } else {
            String str = prim.getAsString();
            if (TIMESTAMP_PATTERN.matcher(str).matches()) {
                return new StringType(HiveType.Kind.TIMESTAMP);
            } else if (HEX_PATTERN.matcher(str).matches()) {
                return new StringType(HiveType.Kind.BINARY);
            } else {
                return new StringType(HiveType.Kind.STRING);
            }
        }
    } else if (json.isJsonNull()) {
        return new NullType();
    } else if (json.isJsonArray()) {
        ListType result = new ListType();
        result.elementType = new NullType();
        for (JsonElement child : ((JsonArray) json)) {
            HiveType sub = pickType(child);
            if (result.elementType.subsumes(sub)) {
                result.elementType.merge(sub);
            } else if (sub.subsumes(result.elementType)) {
                sub.merge(result.elementType);
                result.elementType = sub;
            } else {
                result.elementType = new UnionType(result.elementType, sub);
            }
        }
        return result;
    } else {
        JsonObject obj = (JsonObject) json;
        StructType result = new StructType();
        for (Map.Entry<String, JsonElement> field : obj.entrySet()) {
            String fieldName = field.getKey();
            HiveType type = pickType(field.getValue());
            result.fields.put(fieldName, type);
        }
        return result;
    }
}

From source file:org.apache.qpid.disttest.json.PropertyValueAdapter.java

License:Apache License

@Override
public PropertyValue deserialize(JsonElement json, Type type, JsonDeserializationContext context)
        throws JsonParseException {
    if (json.isJsonNull()) {
        return null;
    } else if (json.isJsonPrimitive()) {
        Object result = null;/*  w w  w . j  ava2  s . c om*/
        JsonPrimitive primitive = json.getAsJsonPrimitive();
        if (primitive.isString()) {
            result = primitive.getAsString();
        } else if (primitive.isNumber()) {
            String asString = primitive.getAsString();
            if (asString.indexOf('.') != -1 || asString.indexOf('e') != -1) {
                result = primitive.getAsDouble();
            } else {
                result = primitive.getAsLong();
            }
        } else if (primitive.isBoolean()) {
            result = primitive.getAsBoolean();
        } else {
            throw new JsonParseException("Unsupported primitive value " + primitive);
        }
        return new SimplePropertyValue(result);
    } else if (json.isJsonArray()) {
        JsonArray array = json.getAsJsonArray();
        List<Object> result = new ArrayList<Object>(array.size());
        for (JsonElement element : array) {
            result.add(context.deserialize(element, Object.class));
        }
        return new SimplePropertyValue(result);
    } else if (json.isJsonObject()) {
        JsonObject object = json.getAsJsonObject();
        JsonElement defElement = object.getAsJsonPrimitive(DEF_FIELD);
        Class<?> classInstance = null;
        if (defElement != null) {
            try {
                classInstance = _factory.getPropertyValueClass(defElement.getAsString());
            } catch (ClassNotFoundException e) {
                // ignore
            }
        }
        if (classInstance == null) {
            Map<String, Object> result = new HashMap<String, Object>();
            for (Map.Entry<String, JsonElement> entry : object.entrySet()) {
                Object value = context.deserialize(entry.getValue(), Object.class);
                result.put(entry.getKey(), value);
            }
            return new SimplePropertyValue(result);
        } else {
            return context.deserialize(json, classInstance);
        }
    } else {
        throw new JsonParseException("Unsupported JSON type " + json);
    }
}