public static KafkaTopicPartition fromString()

in statefun-kafka-io/src/main/java/org/apache/flink/statefun/sdk/kafka/KafkaTopicPartition.java [28:58]

• 28 lines of code
• 5 McCabe index (conditional complexity)

  public static KafkaTopicPartition fromString(String topicAndPartition) {
    Objects.requireNonNull(topicAndPartition);
    final int pos = topicAndPartition.lastIndexOf("/");
    if (pos <= 0 || pos == topicAndPartition.length() - 1) {
      throw new IllegalArgumentException(
          topicAndPartition + " does not conform to the <topic>/<partition_id> format");
    }

    String topic = topicAndPartition.substring(0, pos);
    Integer partitionId;
    try {
      partitionId = Integer.valueOf(topicAndPartition.substring(pos + 1));
    } catch (NumberFormatException e) {
      throw new IllegalArgumentException(
          "Invalid topic partition definition: "
              + topicAndPartition
              + "; partition id is expected to be an integer with value between 0 and "
              + Integer.MAX_VALUE,
          e);
    }

    if (partitionId < 0) {
      throw new IllegalArgumentException(
          "Invalid topic partition definition: "
              + topicAndPartition
              + "; partition id is expected to be an integer with value between 0 and "
              + Integer.MAX_VALUE);
    }

    return new KafkaTopicPartition(topic, partitionId);
  }