AriadnePlus/dnet-ariadneplus-graphdb-publisher/src/main/java/eu/dnetlib/ariadneplus/reader/utils/ESUtils.java

package eu.dnetlib.ariadneplus.reader.utils;

import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeFormatterBuilder;
import java.time.temporal.ChronoField;

public class ESUtils {
    private static DateTimeFormatter originalRecordDateFormatter = DateTimeFormatter.ofPattern("dd MMM yyyy");
    private static DateTimeFormatter elasticSearchDateFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
    private static DateTimeFormatter yearOnlyDateFormatter = new DateTimeFormatterBuilder()
            .appendPattern("yyyy")
            .parseDefaulting(ChronoField.MONTH_OF_YEAR, 1)
            .parseDefaulting(ChronoField.DAY_OF_MONTH, 1)
            .toFormatter();

    public static String getESFormatDate(String originalDate)  {
        try{
            LocalDate parsedDate = LocalDate.parse(originalDate, elasticSearchDateFormatter);
            return parsedDate.format(elasticSearchDateFormatter);
        } catch(Exception e){
            try {
                LocalDate parsedDate = LocalDate.parse(originalDate, originalRecordDateFormatter);
                return parsedDate.format(elasticSearchDateFormatter);
            } catch (Exception e1) {
                try {
                    LocalDate parsedDate = LocalDate.parse(originalDate.substring(0, 10), elasticSearchDateFormatter);
                    return parsedDate.format(elasticSearchDateFormatter);
                } catch (Exception e2) {
                    return "0000";
                }
            }
        }

    }
}