Android Date Format formatDate(Date date, String pattern)

Description

Formats the given date according to the specified pattern.

License

Apache License

Parameter

Parameter	Description
date	The date to format.
pattern	The pattern to use for formatting the date.

Exception

Parameter	Description
IllegalArgumentException	If the given date pattern is invalid.

Return

A formatted date string.

Declaration

public static String formatDate(Date date, String pattern) 

Method Source Code

/*// w  w  w .  j  ava2 s . c  om
 * ====================================================================
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */

import java.lang.ref.SoftReference;
import java.text.DateFormat;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import java.util.TimeZone;
import org.apache.http2.annotation.Immutable;

public class Main{
    /**
     * Date format pattern used to parse HTTP date headers in RFC 1123 format.
     */
    public static final String PATTERN_RFC1123 = "EEE, dd MMM yyyy HH:mm:ss zzz";
    /**
     * Formats the given date according to the RFC 1123 pattern.
     *
     * @param date The date to format.
     * @return An RFC 1123 formatted date string.
     *
     * @see #PATTERN_RFC1123
     */
    public static String formatDate(Date date) {
        return formatDate(date, PATTERN_RFC1123);
    }
    /**
     * Formats the given date according to the specified pattern.  The pattern
     * must conform to that used by the {@link SimpleDateFormat simple date
     * format} class.
     *
     * @param date The date to format.
     * @param pattern The pattern to use for formatting the date.
     * @return A formatted date string.
     *
     * @throws IllegalArgumentException If the given date pattern is invalid.
     *
     * @see SimpleDateFormat
     */
    public static String formatDate(Date date, String pattern) {
        if (date == null)
            throw new IllegalArgumentException("date is null");
        if (pattern == null)
            throw new IllegalArgumentException("pattern is null");

        SimpleDateFormat formatter = DateFormatHolder.formatFor(pattern);
        return formatter.format(date);
    }
}

Related

1. formatDate(Date date, String dateFormat)
2. formatDate(Date date, String dateFormat, Locale locale)
3. formatDate(Date date, String pattern)
4. formatDate(Date date, String pattern)
5. formatDate(Date date, String pattern)
6. formatDate(Date date, String pattern, TimeZone zone)
7. formatDate(Date time)
8. formatDate(SimpleDateFormat s, Date d)
9. formatDate(String date)