Here you can find the source of formatFileDate(Date from)
public static String formatFileDate(Date from)
//package com.java2s; /*************************GO-LICENSE-START********************************* * Copyright 2014 ThoughtWorks, Inc./* w w w . j a v a2 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. *************************GO-LICENSE-END***********************************/ import java.text.SimpleDateFormat; import java.util.Date; import java.util.TimeZone; public class Main { public static final String SIMPLE_DATE_FORMAT = "yyyyMMddHHmmss"; public static String formatFileDate(Date from) { return dateFormatFor(SIMPLE_DATE_FORMAT, "UTC").format(from); } private static SimpleDateFormat dateFormatFor(String simpleDateFormat, String timeZone) { SimpleDateFormat dateFormat = new SimpleDateFormat(simpleDateFormat); dateFormat.setTimeZone(TimeZone.getTimeZone(timeZone)); return dateFormat; } }