private String extractDateFormat()

in flink-connector-elasticsearch-base/src/main/java/org/apache/flink/connector/elasticsearch/table/IndexGeneratorFactory.java [309:315]

• 7 lines of code
• 2 McCabe index (conditional complexity)

        private String extractDateFormat(String index, LogicalTypeRoot logicalType) {
            String format = index.substring(index.indexOf("|") + 1, index.indexOf("}"));
            if ("".equals(format)) {
                format = getDefaultFormat(logicalType);
            }
            return format;
        }