001/*
002 * Copyright 2002-2016 the original author or authors.
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 *      https://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 org.springframework.format.datetime.standard;
018
019import java.time.format.DateTimeFormatter;
020import java.time.temporal.TemporalAccessor;
021import java.util.Locale;
022
023import org.springframework.format.Printer;
024
025/**
026 * {@link Printer} implementation for a JSR-310 {@link java.time.temporal.TemporalAccessor},
027 * using a {@link java.time.format.DateTimeFormatter}) (the contextual one, if available).
028 *
029 * @author Juergen Hoeller
030 * @since 4.0
031 * @see DateTimeContextHolder#getFormatter
032 * @see java.time.format.DateTimeFormatter#format(java.time.temporal.TemporalAccessor)
033 */
034public final class TemporalAccessorPrinter implements Printer<TemporalAccessor> {
035
036        private final DateTimeFormatter formatter;
037
038
039        /**
040         * Create a new TemporalAccessorPrinter.
041         * @param formatter the base DateTimeFormatter instance
042         */
043        public TemporalAccessorPrinter(DateTimeFormatter formatter) {
044                this.formatter = formatter;
045        }
046
047
048        @Override
049        public String print(TemporalAccessor partial, Locale locale) {
050                return DateTimeContextHolder.getFormatter(this.formatter, locale).format(partial);
051        }
052
053}