Java String to Date toDate(String string)

Description

to Date

License

Open Source License

Declaration

public static Date toDate(String string) 

Method Source Code

//package com.java2s;
/*//ww w.ja v a 2  s. com
   Copyright 2010 Inexas. All rights reserved.
    
   Licensed under the Inexas Software License V1.0. You may not use this file 
   except in compliance with the License. You may obtain a copy of the License
   at http://www.inexas.com/ISL-V1.0.
    
   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.*;
import java.util.*;

public class Main {
    private final static DateFormat dateTimeFormatter = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
    private final static DateFormat dateOnlyFormatter = new SimpleDateFormat("yyyy/MM/dd");
    private final static DateFormat timeOnlyFormatter = new SimpleDateFormat("HH:mm:ss");
    private final static String DATE_MESSAGE = //
            "Date should be in format 'yyyy/MM/dd HH:mm:ss', you may have " + //
                    "date only, time only or date and time all units in descending " + //
                    "order: ";

    public static Date toDate(String string) {
        int whichFormatter = 0;
        if (string.indexOf('/') > 0) {
            whichFormatter |= 0x01;
        }
        if (string.indexOf(':') > 0) {
            whichFormatter |= 0x02;
        }
        final DateFormat formatter;
        switch (whichFormatter) {
        case 1:
            formatter = dateOnlyFormatter;
            break;
        case 2:
            formatter = timeOnlyFormatter;
            break;
        case 3:
            formatter = dateTimeFormatter;
            break;
        default:
            throw new RuntimeException(DATE_MESSAGE + string);
        }
        try {
            final Date result = formatter.parse(string);
            return result;
        } catch (ParseException e) {
            throw new RuntimeException(DATE_MESSAGE + string, e);
        }
    }
}

Related

1. toDate(String str)
2. toDate(String str)
3. toDate(String str)
4. toDate(String strDate)
5. toDate(String strDate)
6. toDate(String string, String format)
7. toDate(String time)
8. toDate(String time)
9. toDate(String ts)