Example usage for com.google.gson JsonElement getAsBigDecimal

Introduction

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

Prototype

public BigDecimal getAsBigDecimal() 

Source Link

Document

convenience method to get this element as a BigDecimal .

Usage

From source file:brooklyn.event.feed.http.JsonFunctions.java

License:Apache License

@SuppressWarnings("unchecked")
public static <T> Function<JsonElement, T> cast(final Class<T> expected) {
    return new Function<JsonElement, T>() {
        @Override//from  www.ja  v a2  s .co m
        public T apply(JsonElement input) {
            if (input == null) {
                return (T) null;
            } else if (input.isJsonNull()) {
                return (T) null;
            } else if (expected == boolean.class || expected == Boolean.class) {
                return (T) (Boolean) input.getAsBoolean();
            } else if (expected == char.class || expected == Character.class) {
                return (T) (Character) input.getAsCharacter();
            } else if (expected == byte.class || expected == Byte.class) {
                return (T) (Byte) input.getAsByte();
            } else if (expected == short.class || expected == Short.class) {
                return (T) (Short) input.getAsShort();
            } else if (expected == int.class || expected == Integer.class) {
                return (T) (Integer) input.getAsInt();
            } else if (expected == long.class || expected == Long.class) {
                return (T) (Long) input.getAsLong();
            } else if (expected == float.class || expected == Float.class) {
                return (T) (Float) input.getAsFloat();
            } else if (expected == double.class || expected == Double.class) {
                return (T) (Double) input.getAsDouble();
            } else if (expected == BigDecimal.class) {
                return (T) input.getAsBigDecimal();
            } else if (expected == BigInteger.class) {
                return (T) input.getAsBigInteger();
            } else if (Number.class.isAssignableFrom(expected)) {
                // TODO Will result in a class-cast if it's an unexpected sub-type of Number not handled above
                return (T) input.getAsNumber();
            } else if (expected == String.class) {
                return (T) input.getAsString();
            } else if (expected.isArray()) {
                JsonArray array = input.getAsJsonArray();
                Class<?> componentType = expected.getComponentType();
                if (JsonElement.class.isAssignableFrom(componentType)) {
                    JsonElement[] result = new JsonElement[array.size()];
                    for (int i = 0; i < array.size(); i++) {
                        result[i] = array.get(i);
                    }
                    return (T) result;
                } else {
                    Object[] result = (Object[]) Array.newInstance(componentType, array.size());
                    for (int i = 0; i < array.size(); i++) {
                        result[i] = cast(componentType).apply(array.get(i));
                    }
                    return (T) result;
                }
            } else {
                throw new IllegalArgumentException("Cannot cast json element to type " + expected);
            }
        }
    };
}

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From source file:com.adr.datasql.orm.KindResultsJson.java

License:Apache License

@Override
public BigDecimal getBigDecimal(String columnName) throws DataLinkException {
    JsonElement element = json.get(columnName);
    return element == null || element.isJsonNull() ? null : element.getAsBigDecimal();
}

---

From source file:com.asakusafw.testdriver.json.JsonObjectDriver.java

License:Apache License

@Override
public void decimalProperty(PropertyName name, JsonObject context) throws IOException {
    JsonElement prop = property(context, name);
    if (prop == null) {
        return;/*from   ww w  .j  a  v  a 2 s.  c  om*/
    }
    builder.add(name, prop.getAsBigDecimal());
}

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From source file:com.cloud.bridge.util.JsonAccessor.java

License:Apache License

public BigDecimal getAsBigDecimal(String propPath) {
    JsonElement jsonElement = eval(propPath);
    return jsonElement.getAsBigDecimal();
}

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From source file:com.getperka.flatpack.codexes.NumberCodex.java

License:Apache License

@Override
public N readNotNull(JsonElement element, DeserializationContext context) {
    Object toReturn;/*from  www.jav a  2s.  com*/
    if (BigDecimal.class.equals(clazz)) {
        toReturn = element.getAsBigDecimal();
    } else if (BigInteger.class.equals(clazz)) {
        toReturn = element.getAsBigInteger();
    } else if (Byte.class.equals(clazz)) {
        toReturn = element.getAsByte();
    } else if (Double.class.equals(clazz)) {
        toReturn = element.getAsDouble();
    } else if (Float.class.equals(clazz)) {
        toReturn = element.getAsFloat();
    } else if (Integer.class.equals(clazz)) {
        toReturn = element.getAsInt();
    } else if (Long.class.equals(clazz)) {
        toReturn = element.getAsLong();
    } else if (Short.class.equals(clazz)) {
        toReturn = element.getAsShort();
    } else {
        throw new UnsupportedOperationException("Unimplemented Number type " + clazz.getName());
    }
    return clazz.cast(toReturn);
}

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From source file:edu.mit.media.funf.json.JsonUtils.java

License:Open Source License

/**
 * Return an immutable JsonElement.  Either IJsonObject, IJsonArray, or other immutable JsonPrimitive.
 * @param el// ww  w . ja v  a 2  s  . co m
 * @return
 */
public static JsonElement immutable(JsonElement el) {
    if (el instanceof JsonObject) {
        return new IJsonObject(el.getAsJsonObject());
    } else if (el instanceof JsonArray) {
        return new IJsonArray(el.getAsJsonArray());
    } else if (el instanceof JsonPrimitive && el.getAsJsonPrimitive().isNumber()) {
        // Ensure that all LazilyParsedNumbers have been parsed into a consistent Number type.
        // Otherwise hash codes are not consistent, because LazilyParsedNumbers are never seen as integral.
        return new JsonPrimitive(el.getAsBigDecimal());
    }
    return el;
}

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From source file:edu.mit.media.funf.probe.builtin.DatedContentProviderProbe.java

License:Open Source License

@Override
public void setCheckpoint(JsonElement checkpoint) {
    latestTimestamp = checkpoint == null ? null : checkpoint.getAsBigDecimal();
}

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From source file:io.robusta.rra.representation.implementation.GsonRepresentation.java

License:Apache License

/**
 * convert a jsonElement into Object/*from   w ww .  j  av  a2 s  .  c  o  m*/
 * 
 * @param type
 * @param element
 * @return
 * @throws RepresentationException
 */
protected <T> T get(Class<T> type, JsonElement element) throws RepresentationException {

    if (type == Long.class) {
        return (T) (Long) element.getAsLong();
    } else if (type == Integer.class) {
        return (T) (Integer) element.getAsInt();
    } else if (type == Short.class) {
        return (T) (Short) element.getAsShort();
    } else if (type == Byte.class) {
        return (T) (Byte) element.getAsByte();
    } else if (type == BigInteger.class) {
        return (T) (BigInteger) element.getAsBigInteger();
    } else if (type == Double.class) {
        return (T) (Double) element.getAsDouble();
    } else if (type == Float.class) {
        return (T) (Float) element.getAsFloat();
    } else if (type == BigDecimal.class) {
        return (T) (BigDecimal) element.getAsBigDecimal();
    } else if (type == Boolean.class) {
        return (T) (Boolean) element.getAsBoolean();
    } else if (type == String.class) {
        return (T) element.getAsString();
    } else {
        return (T) gson.fromJson(element, type);
    }
}

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From source file:org.eclipse.smarthome.storage.json.StringObjectMapDeserializer.java

License:Open Source License

@Override
public Map<String, Object> deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {

    Map<String, Object> map = new HashMap<String, Object>();

    JsonObject obj = json.getAsJsonObject();

    for (Map.Entry<String, JsonElement> me : obj.entrySet()) {
        String k = me.getKey();// w  w w. j  av  a  2s  . c  o m
        JsonElement v = me.getValue();

        if (v.isJsonPrimitive() && ((JsonPrimitive) v).isNumber()) {
            map.put(k, v.getAsBigDecimal());
        } else {
            Object value = context.deserialize(v, Object.class);
            map.put(k, value);
        }
    }
    return map;
}

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From source file:org.fenixedu.spaces.domain.Information.java

License:Open Source License

@SuppressWarnings("unchecked")
public <T extends Object> Optional<T> getMetadata(String field) {
    Optional<JsonElement> spec = getClassification().getMetadataSpecJson(field);
    if (spec.isPresent()) {
        JsonObject jsObj = spec.get().getAsJsonObject();
        final String type = jsObj.get("type").getAsString();
        final JsonObject metadata = getMetadata().getAsJsonObject();

        JsonElement fieldValue = metadata.get(field);

        if (fieldValue == null || fieldValue.isJsonNull()) {
            return Optional.empty();
        }//w ww . ja  va  2s  .  c  om

        if (Boolean.class.getName().equalsIgnoreCase(type)) {
            return (Optional<T>) Optional.of(new Boolean(fieldValue.getAsBoolean()));
        }
        if (Integer.class.getName().equalsIgnoreCase(type)) {
            return (Optional<T>) Optional.of(new Integer(fieldValue.getAsInt()));
        }
        if (BigDecimal.class.getName().equalsIgnoreCase(type)) {
            return (Optional<T>) Optional.of(fieldValue.getAsBigDecimal());
        }

        return (Optional<T>) Optional.of(new String(fieldValue.getAsString()));
    }
    return Optional.empty();
}

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