001/* -*- mode: Java; c-basic-offset: 2; indent-tabs-mode: nil; coding: utf-8-unix -*- 002 * 003 * Copyright © 2020 microBean™. 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 014 * implied. See the License for the specific language governing 015 * permissions and limitations under the License. 016 */ 017package org.microbean.settings.converter; 018 019import java.time.Instant; 020 021import java.util.Calendar; 022import java.util.Date; 023 024import javax.enterprise.context.ApplicationScoped; 025 026import org.microbean.settings.Converter; 027import org.microbean.settings.Value; 028 029@ApplicationScoped 030public class CalendarConverter implements Converter<Calendar> { 031 032 private static final long serialVersionUID = 1L; 033 034 private final DateConverter delegate; 035 036 public CalendarConverter() { 037 super(); 038 this.delegate = new DateConverter(); 039 } 040 041 @Override 042 public Calendar convert(final Value value) { 043 final Calendar returnValue; 044 if (value == null) { 045 returnValue = null; 046 } else { 047 final String stringValue = value.get(); 048 if (stringValue == null) { 049 returnValue = null; 050 } else { 051 final Date date = this.delegate.convert(value); 052 assert date != null; 053 returnValue = Calendar.getInstance(); 054 assert returnValue != null; 055 returnValue.setTime(date); 056 } 057 } 058 return returnValue; 059 } 060 061}