public TopicPartition deserialize()

in src/main/java/com/epam/eco/commons/kafka/serde/jackson/TopicPartitionJsonDeserializer.java [39:73]

32 lines of code
7 McCabe index (conditional complexity)


    public TopicPartition deserialize(
            JsonParser jsonParser,
            DeserializationContext ctxt) throws IOException {
        if (jsonParser.getCurrentToken() == JsonToken.START_OBJECT) {
            jsonParser.nextToken();
        }
        String fieldName = jsonParser.getCurrentName();

        String topic = null;
        Integer partition = null;
        while (fieldName != null) {
            if (TopicPartitionFields.TOPIC.equals(fieldName)) {
                jsonParser.nextToken();
                JsonToken currentToken = jsonParser.getCurrentToken();
                if (currentToken == JsonToken.VALUE_STRING || currentToken == JsonToken.VALUE_NULL) {
                    topic = jsonParser.getValueAsString();
                } else {
                    ctxt.reportInputMismatch(
                            _valueClass,
                            "Can't parse string value for '%s' field from '%s' token",
                            TopicPartitionFields.TOPIC, currentToken.name());
                }
            } else if (TopicPartitionFields.PARTITION.equals(fieldName)) {
                jsonParser.nextToken();
                partition = _parseIntPrimitive(jsonParser, ctxt);
            } else {
                handleUnknownProperty(jsonParser, ctxt, _valueClass, fieldName);
            }
            fieldName = jsonParser.nextFieldName();
        }

        com.epam.eco.commons.json.JsonDeserializerUtils.assertRequiredField(partition, TopicPartitionFields.PARTITION, _valueClass, ctxt);

        return new TopicPartition(topic, partition);
    }