Java Today parseToday(String s)

Description

parse Today

License

Apache License

Declaration

public static String parseToday(String s) 

Method Source Code

//package com.java2s;
/*//from   ww  w .j a  v a2  s  . co  m
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */

import java.text.SimpleDateFormat;
import java.util.Calendar;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {

    public static String parseToday(String s) {

        if (s == null) {
            return s;
        }

        Pattern pattern = Pattern.compile("today(?:\\s*\\-\\s*(\\d+))?");
        Matcher matcher = pattern.matcher(s);

        if (!matcher.matches()) {
            return s;
        }

        Calendar cal = Calendar.getInstance();
        String n = matcher.group(1);

        if (n != null) {
            cal.add(Calendar.DATE, -1 * Integer.parseInt(n));
        }

        return new SimpleDateFormat("yyyy/MM/dd").format(cal.getTime());
    }
}

Related

1. isToday(long milliseconds)
2. isToday(long timestamp)
3. isToday(String depDateTime)
4. isToday(String sdate)
5. isToday(String sdate)
6. plusDaysToday(int days)
7. sameTimeToday(Date time)
8. startOfToday()
9. today()