protected String sanitizeName()

in ambari-metrics-kafka-sink/src/main/java/org/apache/hadoop/metrics2/sink/kafka/KafkaTimelineMetricsReporter.java [503:520]

• 18 lines of code
• 12 McCabe index (conditional complexity)

    protected String sanitizeName(MetricName name) {
      if (name == null) {
        return "";
      }
      final String qualifiedTypeName = name.getGroup() + "." + name.getType() + "." + name.getName();
      final String metricName = name.hasScope() ? qualifiedTypeName + '.' + name.getScope() : qualifiedTypeName;
      final StringBuilder sb = new StringBuilder();
      for (int i = 0; i < metricName.length(); i++) {
        final char p = metricName.charAt(i);
        if (!(p >= 'A' && p <= 'Z') && !(p >= 'a' && p <= 'z') && !(p >= '0' && p <= '9') && (p != '_') && (p != '-')
            && (p != '.') && (p != '\0')) {
          sb.append('_');
        } else {
          sb.append(p);
        }
      }
      return sb.toString();
    }