001// --------------------------------------------------------------------------------
002// Copyright 2002-2024 Echo Three, LLC
003//
004// Licensed under the Apache License, Version 2.0 (the "License");
005// you may not use this file except in compliance with the License.
006// You may obtain a copy of the License at
007//
008//     http://www.apache.org/licenses/LICENSE-2.0
009//
010// Unless required by applicable law or agreed to in writing, software
011// distributed under the License is distributed on an "AS IS" BASIS,
012// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013// See the License for the specific language governing permissions and
014// limitations under the License.
015// --------------------------------------------------------------------------------
016
017package com.echothree.util.common.string;
018
019import java.text.SimpleDateFormat;
020
021public class DateTimeFormatter {
022    
023    SimpleDateFormat sdf;
024    
025    /** Creates a new instance of DateTimeFormatter */
026    public DateTimeFormatter(String javaTimeZoneName, String pattern) {
027        sdf = new SimpleDateFormat(pattern);
028        sdf.setTimeZone(java.util.TimeZone.getTimeZone(javaTimeZoneName));
029    }
030    
031    public String format(Long time) {
032        return time == null ? null : sdf.format(time);
033    }
034    
035}