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}