io.github.mavenreposs.php.functions.strtotime.matcher.NWeeksMatcher Maven / Gradle / Ivy

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php functions for java implement.

There is a newer version: 1.1.1

package io.github.mavenreposs.php.functions.strtotime.matcher;

import io.github.mavenreposs.php.functions.strtotime.Matcher;

import java.util.Calendar;
import java.util.Date;
import java.util.regex.Pattern;

public class NWeeksMatcher implements Matcher {

    private final Pattern days = Pattern.compile("[\\-\\+]?\\d+ weeks");

    public NWeeksMatcher() {
    }

    public Date tryConvert(String input, Date date) {
        if (days.matcher(input).matches()) {
            int d = Integer.parseInt(input.split(" ")[0]);
            Calendar calendar = Calendar.getInstance();
            if (date != null) {
                calendar.setTime(date);
            }
            calendar.add(Calendar.WEEK_OF_YEAR, d);
            return calendar.getTime();
        }
        return null;
    }
}