Java Parse Date Pattern YYYY parse(String s)

Description

parse

License

Apache License

Parameter

Parameter	Description
s	a parameter

Exception

Parameter	Description
ParseException	an exception

Declaration

public static Date parse(String s) throws ParseException 

Method Source Code

//package com.java2s;
/*/*  w  ww.j av  a2s .c o m*/
 ************************************************************************
 Copyright [2011] [PagSeguro Internet Ltda.]

 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.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

import java.util.TimeZone;

public class Main {
    private static final int NUMBER_6 = 6;
    private static final int NUMBER_4 = 4;
    private static final int NUMBER_3 = 3;
    private static final int NUMBER_1 = 1;
    private static final int NUMBER_29 = 29;
    private static final int NUMBER_23 = 23;
    private static final int NUMBER_0 = 0;

    /**
     * @param s
     * @return
     * @throws ParseException
     */
    public static Date parse(String s) throws ParseException {
        Calendar calendar = new GregorianCalendar(
                TimeZone.getTimeZone("UTC"));
        calendar.clear();

        // date format: YYYY-MM-DDThh:mm:ss.sTZD
        String dateWithoutTZ = s.substring(NUMBER_0, NUMBER_23);
        String timeZone = s.substring(NUMBER_23, NUMBER_29);

        Calendar calWithoutTZ = new GregorianCalendar();
        SimpleDateFormat df = new SimpleDateFormat(
                "yyyy-MM-dd'T'HH:mm:ss.S");
        Date date = df.parse(dateWithoutTZ);
        calWithoutTZ.setTimeInMillis(date.getTime());

        calendar.set(Calendar.YEAR, calWithoutTZ.get(Calendar.YEAR));
        calendar.set(Calendar.MONTH, calWithoutTZ.get(Calendar.MONTH));
        calendar.set(Calendar.DAY_OF_MONTH,
                calWithoutTZ.get(Calendar.DAY_OF_MONTH));
        calendar.set(Calendar.HOUR_OF_DAY,
                calWithoutTZ.get(Calendar.HOUR_OF_DAY));
        calendar.set(Calendar.MINUTE, calWithoutTZ.get(Calendar.MINUTE));
        calendar.set(Calendar.SECOND, calWithoutTZ.get(Calendar.SECOND));
        calendar.set(Calendar.MILLISECOND,
                calWithoutTZ.get(Calendar.MILLISECOND));

        int tzHour = Integer.parseInt(timeZone
                .substring(NUMBER_1, NUMBER_3));
        int tzMin = Integer
                .parseInt(timeZone.substring(NUMBER_4, NUMBER_6));

        boolean plus = "+".equals(timeZone.substring(NUMBER_0, NUMBER_1));

        if (plus) {
            calendar.add(Calendar.HOUR, -tzHour);
            calendar.add(Calendar.MINUTE, -tzMin);
        } else {
            calendar.add(Calendar.HOUR, tzHour);
            calendar.add(Calendar.MINUTE, tzMin);
        }
        return calendar.getTime();
    }
}

Related

1. parse(String input)
2. parse(String original)
3. parse(String param)
4. parse(String param)
5. parse(String s)
6. parse(String s)
7. parse(String s)
8. parse(String s)
9. parse(String s)