    001// Copyright 2013 The Apache Software Foundation
    002//
    003// Licensed under the Apache License, Version 2.0 (the "License");
    004// you may not use this file except in compliance with the License.
    005// You may obtain a copy of the License at
    006//
    007// http://www.apache.org/licenses/LICENSE-2.0
    008//
    009// Unless required by applicable law or agreed to in writing, software
    010// distributed under the License is distributed on an "AS IS" BASIS,
    011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012// See the License for the specific language governing permissions and
    013// limitations under the License.
    014
    015package org.apache.tapestry5.internal.services;
    016
    017import org.apache.tapestry5.ioc.ScopeConstants;
    018import org.apache.tapestry5.ioc.annotations.Scope;
    019import org.apache.tapestry5.services.DateUtilities;
    020
    021import java.text.DateFormat;
    022import java.text.SimpleDateFormat;
    023import java.util.Date;
    024import java.util.TimeZone;
    025
    026@Scope(ScopeConstants.PERTHREAD)
    027public class DateUtilitiesImpl implements DateUtilities
    028{
    029    private static final TimeZone tz = TimeZone.getTimeZone("UTC");
    030
    031    private DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");
    032
    033    {
    034        df.setTimeZone(tz);
    035    }
    036
    037    public String formatISO8601(Date date)
    038    {
    039        assert date != null;
    040
    041        return df.format(date);
    042    }
    043}