Here you can find the source of formatDateTime(Calendar dateTime)
public static String formatDateTime(Calendar dateTime)
//package com.java2s; /******************************************************************************* * Jenkins Sonargraph Plugin/*ww w. ja v a 2 s .c o m*/ * Copyright (C) 2009-2015 hello2morrow GmbH * mailto: info AT hello2morrow DOT com * * 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.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import java.util.Locale; public class Main { private static SimpleDateFormat DATE_TIME_FORMAT = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss", Locale.US); public static String formatDateTime(Calendar dateTime) { assert dateTime != null : "Parameter 'dateTime' of method 'formatDateTime' must not be null"; return DATE_TIME_FORMAT.format(new Date(dateTime.getTimeInMillis())); } }