Java Parse Date parseDateTimeFromString(String datetime)

Description

parse Date Time From String

License

Apache License

Declaration

public static Date parseDateTimeFromString(String datetime) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;

public class Main {
    private static final ThreadLocal<SimpleDateFormat> RFC_822_DATE_FORMAT = new ThreadLocal<SimpleDateFormat>() {
        @Override/*w w w  .j a va2 s.c  o  m*/
        protected SimpleDateFormat initialValue() {
            SimpleDateFormat format = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss z", Locale.US);
            format.setTimeZone(TimeZone.getTimeZone("GMT"));
            return format;
        }
    };
    private static final ThreadLocal<SimpleDateFormat> RFC_850_DATE_FORMAT = new ThreadLocal<SimpleDateFormat>() {
        @Override
        protected SimpleDateFormat initialValue() {
            SimpleDateFormat format = new SimpleDateFormat("EEEE, dd-MMM-yy HH:mm:ss z", Locale.US);
            format.setTimeZone(TimeZone.getTimeZone("GMT"));
            return format;
        }
    };
    private static final ThreadLocal<SimpleDateFormat> ANSI_DATE_FORMAT = new ThreadLocal<SimpleDateFormat>() {
        @Override
        protected SimpleDateFormat initialValue() {
            SimpleDateFormat format = new SimpleDateFormat("EEE MMM d HH:mm:ss yyyy", Locale.US);
            format.setTimeZone(TimeZone.getTimeZone("GMT"));
            return format;
        }
    };

    public static Date parseDateTimeFromString(String datetime) {
        Date date = tryToParse(datetime, RFC_822_DATE_FORMAT.get());
        if (date == null) {
            date = tryToParse(datetime, RFC_850_DATE_FORMAT.get());
        }
        if (date == null) {
            date = tryToParse(datetime, ANSI_DATE_FORMAT.get());
        }
        return date;
    }

    private static Date tryToParse(String datetime, SimpleDateFormat format) {
        try {
            return format.parse(datetime);
        } catch (ParseException e) {
            return null;
        }
    }
}

Related

1. parseDateTime(String s)
2. parseDateTime(String s)
3. parseDateTime(String s)
4. parseDateTime(String s)
5. parseDatetime(String value)
6. parseDateTimeHuman(String dateString)
7. parseDateTimeString(final String date)
8. parseDateTimeString(String dateTime)
9. parseDateTimeString(String dateTimeString)