package be.mentoringsystems.paypermail.presentation;

import java.text.DateFormat;
import java.text.FieldPosition;
import java.text.ParsePosition;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

/**
 *
 * @author anthonyarents
 */
public class MultipleDateFormat extends DateFormat {

    private List<DateFormat> formats = new ArrayList<DateFormat>();
    private static final Logger LOGGER = LogManager.getLogger(MultipleDateFormat.class);

    public void addFormat(final DateFormat format) {
        formats.add(format);
    }

    @Override
    public StringBuffer format(Date date, StringBuffer toAppendTo, FieldPosition fieldPosition) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    @Override
    public Date parse(String source, ParsePosition pos) {
        Date result = null;
        for (DateFormat format : formats) {
            try {
                result = format.parse(source, pos);
            } catch (Exception ex) {
                LOGGER.error(ex.getMessage(), ex);
            }
            if (result != null) {
                break;
            }
        }
        return result;
    }

}