Examples with DynamoDBEntry com.amazonaws.mobileconnectors.dynamodbv2.document.datatype.DynamoDBEntry used on opensource projects

Example 1 with DynamoDBEntry

use of com.amazonaws.mobileconnectors.dynamodbv2.document.datatype.DynamoDBEntry in project aws-sdk-android by aws-amplify.

the class JsonUtils method toEntry.

private static DynamoDBEntry toEntry(JsonElement data) {
    if (data == null || data.isJsonNull()) {
        return DynamoDBNull.NULL;
    }
    if (data.isJsonObject()) {
        final Document doc = new Document();
        for (final Entry<String, JsonElement> entry : data.getAsJsonObject().entrySet()) {
            final String key = entry.getKey();
            final JsonElement element = entry.getValue();
            doc.put(key, toEntry(element));
        }
        return doc;
    }
    if (data.isJsonArray()) {
        final DynamoDBList list = new DynamoDBList();
        final JsonArray array = data.getAsJsonArray();
        for (final Iterator<JsonElement> iterator = array.iterator(); iterator.hasNext(); ) {
            final JsonElement type = iterator.next();
            list.add(toEntry(type));
        }
        return list;
    }
    final JsonPrimitive primitive = data.getAsJsonPrimitive();
    if (primitive.isBoolean()) {
        return new DynamoDBBool(primitive.getAsBoolean());
    }
    if (primitive.isString()) {
        return new Primitive(primitive.getAsString());
    }
    if (primitive.isNumber()) {
        return new Primitive(primitive.getAsNumber());
    }
    throw new JsonParseException("unable to parse json for key " + data.toString());
}

Example 2 with DynamoDBEntry

use of com.amazonaws.mobileconnectors.dynamodbv2.document.datatype.DynamoDBEntry in project aws-sdk-android by aws-amplify.

the class Table method makeKey.

private Key makeKey(Document doc) {
    final Key key = new Key();
    for (final Entry<String, KeyDescription> kvp : this.keys.entrySet()) {
        final String keyName = kvp.getKey();
        final KeyDescription description = kvp.getValue();
        final DynamoDBEntry value = doc.get(keyName);
        if (value == null) {
            throw new IllegalStateException("no value for key " + keyName);
        }
        final Primitive primitive = value.asPrimitive();
        if (primitive == null) {
            throw new IllegalStateException("Key attribute " + keyName + " must be a Primitive type");
        }
        if (primitive.getType() != description.getType()) {
            throw new IllegalStateException("Key attribute " + keyName + " must be of type " + description.getType());
        }
        key.put(keyName, primitive.convertToAttributeValue());
    }
    return key;
}

Example 3 with DynamoDBEntry

use of com.amazonaws.mobileconnectors.dynamodbv2.document.datatype.DynamoDBEntry in project aws-sdk-android by aws-amplify.

the class Expression method convertToAttributeValues.

protected static Map<String, AttributeValue> convertToAttributeValues(Map<String, DynamoDBEntry> valueMap, Table table) {
    final Map<String, AttributeValue> convertedValues = new HashMap<String, AttributeValue>();
    if (valueMap != null) {
        for (final Entry<String, DynamoDBEntry> kvp : valueMap.entrySet()) {
            final String attributeName = kvp.getKey();
            final DynamoDBEntry entry = kvp.getValue();
            if (entry == null) {
                convertedValues.put(attributeName, new AttributeValue().withNULL(true));
            } else {
                convertedValues.put(attributeName, entry.convertToAttributeValue());
            }
        }
    }
    return convertedValues;
}

Example 4 with DynamoDBEntry

use of com.amazonaws.mobileconnectors.dynamodbv2.document.datatype.DynamoDBEntry in project aws-sdk-android by aws-amplify.

the class JsonUtils method writeJson.

private static void writeJson(DynamoDBEntry entry, JsonWriter writer) throws IOException {
    if (entry instanceof Document) {
        writer.beginObject();
        final Document doc = (Document) entry;
        for (final Entry<String, DynamoDBEntry> docEntry : doc.entrySet()) {
            final String key = docEntry.getKey();
            final DynamoDBEntry value = docEntry.getValue();
            writer.name(key);
            writeJson(value, writer);
        }
        writer.endObject();
        return;
    }
    if (entry instanceof Primitive) {
        final Primitive p = (Primitive) entry;
        writePrimitive(p.getType(), writer, p);
        return;
    }
    if (entry instanceof PrimitiveList) {
        final PrimitiveList pl = (PrimitiveList) entry;
        writer.beginArray();
        for (final DynamoDBEntry e : pl.getEntries()) {
            writePrimitive(pl.getType(), writer, e);
        }
        writer.endArray();
        return;
    }
    if (entry instanceof DynamoDBList) {
        final DynamoDBList pl = (DynamoDBList) entry;
        writer.beginArray();
        for (final DynamoDBEntry e : pl.getEntries()) {
            writeJson(e, writer);
        }
        writer.endArray();
        return;
    }
    if (entry instanceof DynamoDBBool) {
        writer.value(((DynamoDBBool) entry).asBoolean());
        return;
    }
    if (entry instanceof DynamoDBNull) {
        writer.nullValue();
        return;
    }
    throw new JsonParseException("unable to convert to json " + entry);
}