| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| package freemarker.core; |
| |
| import freemarker.template.utility.DateUtil.CalendarFieldsToDateConverter; |
| import freemarker.template.utility.DateUtil.DateToISO8601CalendarFactory; |
| import freemarker.template.utility.DateUtil.TrivialCalendarFieldsToDateConverter; |
| import freemarker.template.utility.DateUtil.TrivialDateToISO8601CalendarFactory; |
| |
| abstract class ISOLikeTemplateDateFormatFactory extends TemplateDateFormatFactory { |
| |
| private static final Object DATE_TO_CAL_CONVERTER_KEY = new Object(); |
| private static final Object CAL_TO_DATE_CONVERTER_KEY = new Object(); |
| |
| protected ISOLikeTemplateDateFormatFactory() { } |
| |
| public DateToISO8601CalendarFactory getISOBuiltInCalendar(Environment env) { |
| DateToISO8601CalendarFactory r = (DateToISO8601CalendarFactory) env.getCustomState(DATE_TO_CAL_CONVERTER_KEY); |
| if (r == null) { |
| r = new TrivialDateToISO8601CalendarFactory(); |
| env.setCustomState(DATE_TO_CAL_CONVERTER_KEY, r); |
| } |
| return r; |
| } |
| |
| public CalendarFieldsToDateConverter getCalendarFieldsToDateCalculator(Environment env) { |
| CalendarFieldsToDateConverter r = (CalendarFieldsToDateConverter) env.getCustomState(CAL_TO_DATE_CONVERTER_KEY); |
| if (r == null) { |
| r = new TrivialCalendarFieldsToDateConverter(); |
| env.setCustomState(CAL_TO_DATE_CONVERTER_KEY, r); |
| } |
| return r; |
| } |
| |
| } |