Date of unified global SpringBoot conversion process

import org.springframework.core.convert.converter.Converter;
import org.springframework.stereotype.Component;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

@Component
public class DateConverterConfig implements Converter<String, Date> {
    private static final List<String> formarts = new ArrayList<>();

    static {
        formarts.add("yyyy-MM");
        formarts.add("yyyy-MM-dd");
        formarts.add("yyyy-MM-dd HH:mm");
        formarts.add("yyyy-MM-dd HH:mm:ss");
    }

    @Override
    public Date convert(String source) {
        String value = source.trim();
        if ("".equals(value)) {
            return null;
        }
        if (source.matches("^\\d{4}-\\d{1,2}$")) {
            return parseDate(source, formarts.get(0));
        } else if (source.matches("^\\d{4}-\\d{1,2}-\\d{1,2}$")) {
            return parseDate(source, formarts.get(1));
        } else if (source.matches("^\\d{4}-\\d{1,2}-\\d{1,2} {1}\\d{1,2}:\\d{1,2}$")) {
            return parseDate(source, formarts.get(2));
        } else if (source.matches("^\\d{4}-\\d{1,2}-\\d{1,2} {1}\\d{1,2}:\\d{1,2}:\\d{1,2}$")) {
            return parseDate(source, formarts.get(3));
        } else if (source.length() == 13) {//long 时间戳转换
            returnparseDate (Source, formarts.get (. 3 )); 
        } the else {
             the throw  new new an IllegalArgumentException ( "Invalid Boolean value '" Source + + "'" ); 
        } 
    } 

    / ** 
     * Date format 
     * 
     * @param dateStr Character String date 
     * @param the format String format 
     * @return a date date
      * / 
    public a date parseDate (dateStr String, String the format) { 
        a date dATE = null ;
         // Long timestamp to 
        IF ! (dateStr = null && dateStr.length() == 13) {
            long time = Long.parseLong(dateStr);
            date = new Date(time);
        }
        try {
            DateFormat dateFormat = new SimpleDateFormat(format);
            date = dateFormat.parse(dateStr);
        } catch (Exception e) {
        }
        return date;
    }
}