Here you can find the source of getSupportedFormats()
private static SimpleDateFormat[] getSupportedFormats()
//package com.java2s; /*/*from www. jav a 2 s.c o m*/ * Copyright (C) 2016 Datamatica (dev@datamatica.pl) * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published * by the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ import java.text.SimpleDateFormat; import java.util.Locale; public class Main { private static final SimpleDateFormat rfc1123 = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss 'GMT'", Locale.US); private static final SimpleDateFormat rfc850 = new SimpleDateFormat("EEEE, dd-MMM-yy HH:mm:ss 'GMT'", Locale.US); private static final SimpleDateFormat asctime = new SimpleDateFormat("EEE MMM d HH:mm:ss yyyy", Locale.US); private static SimpleDateFormat[] getSupportedFormats() { return new SimpleDateFormat[] { rfc1123, rfc850, asctime }; } }