Java Parse RFC Date parseRFC822Date(String value)

Description

parse RFC Date

License

Apache License

Declaration

public static Date parseRFC822Date(String value) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright 2012 Jack Wang/*from  w  w  w  .  j  a  v  a 2  s . c o  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.ParseException;
import java.text.SimpleDateFormat;

import java.util.Date;

public class Main {
    public static final SimpleDateFormat rfc822DateFormats[] = new SimpleDateFormat[] {
            new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss z"), new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss Z"),
            new SimpleDateFormat("EEE, d MMM yy HH:mm:ss z"), new SimpleDateFormat("EEE, d MMM yyyy HH:mm z"),
            new SimpleDateFormat("EEE, d MMM yy HH:mm z"), new SimpleDateFormat("d MMM yyyy HH:mm:ss z"),
            new SimpleDateFormat("d MMM yy HH:mm:ss z"), new SimpleDateFormat("d MMM yyyy HH:mm z"),
            new SimpleDateFormat("d MMM yy HH:mm z"),

            new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss"), // without timezone
            new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss"), new SimpleDateFormat("EEE, d MMM yy HH:mm:ss"),
            new SimpleDateFormat("EEE, d MMM yyyy HH:mm"), new SimpleDateFormat("EEE, d MMM yy HH:mm"),
            new SimpleDateFormat("d MMM yyyy HH:mm:ss"), new SimpleDateFormat("d MMM yy HH:mm:ss"),
            new SimpleDateFormat("d MMM yyyy HH:mm"), new SimpleDateFormat("d MMM yy HH:mm"),

            new SimpleDateFormat("EEE, d MMM yy HH:mm:ssz") // newegg.com      Thu, 3 Sep 2009 11:23:10GMT
    };

    public static Date parseRFC822Date(String value) {
        for (SimpleDateFormat formatter : rfc822DateFormats) {
            try {
                Date date = formatter.parse(value);
                return date;
            } catch (ParseException e) {
                continue;
            }
        }

        // progressively trim the space and retry till end of it
        int i = value.lastIndexOf(" ");
        if (i > 6) {
            value = value.substring(0, i);
            return parseRFC822Date(value);
        }
        return null;
    }
}

Related

1. parseRFC822(String dateString)
2. parseRFC822(String sDate, Locale locale)
3. parseRFC822(String str)
4. parseRfc822Date(String dateString)
5. parseRfc822Date(String dt)
6. parseRfc822DateTime(String datestr)