com.maccloud.spring.converter.TimeConverter Maven / Gradle / Ivy

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package com.maccloud.spring.converter;


import org.apache.commons.lang3.StringUtils;
import org.springframework.core.convert.converter.Converter;

import java.sql.Time;

public class TimeConverter implements Converter {

    public static final String regex_HH = "^[0-9]{2}$";

    public static final String regex_HHmm = "^[0-9]{2}:[0-9]{2}$";

    public static final String regex_HHmmss = "^[0-9]{2}:[0-9]{2}:[0-9]{2}$";


    public static void main(String[] args) {
        System.out.println(Time.valueOf("00:00").getTime());
        System.out.println(Time.valueOf("00:00:00").getTime());
    }

    @Override
    public Time convert(String source) {

        if (StringUtils.isBlank(source)) {
            return null;
        }

        try {
            if (source.matches(regex_HH)) {
                return Time.valueOf(source + ":00:00");
            } else if (source.matches(regex_HHmm)) {
                return Time.valueOf(source + ":00");
            } else if (source.matches(regex_HHmmss)) {
                return Time.valueOf(source);
            } else {
                return null;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }
}