001/* 002 * Copyright 2002-2014 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.text.ParseException; 020import java.time.LocalDate; 021import java.time.LocalDateTime; 022import java.time.LocalTime; 023import java.time.OffsetDateTime; 024import java.time.OffsetTime; 025import java.time.ZonedDateTime; 026import java.time.format.DateTimeFormatter; 027import java.time.temporal.TemporalAccessor; 028import java.util.Locale; 029 030import org.springframework.format.Parser; 031import org.springframework.lang.UsesJava8; 032 033/** 034 * {@link Parser} implementation for a JSR-310 {@link java.time.temporal.TemporalAccessor}, 035 * using a {@link java.time.format.DateTimeFormatter}) (the contextual one, if available). 036 * 037 * @author Juergen Hoeller 038 * @since 4.0 039 * @see DateTimeContextHolder#getFormatter 040 * @see java.time.LocalDate#parse(CharSequence, java.time.format.DateTimeFormatter) 041 * @see java.time.LocalTime#parse(CharSequence, java.time.format.DateTimeFormatter) 042 * @see java.time.LocalDateTime#parse(CharSequence, java.time.format.DateTimeFormatter) 043 * @see java.time.ZonedDateTime#parse(CharSequence, java.time.format.DateTimeFormatter) 044 * @see java.time.OffsetDateTime#parse(CharSequence, java.time.format.DateTimeFormatter) 045 * @see java.time.OffsetTime#parse(CharSequence, java.time.format.DateTimeFormatter) 046 */ 047@UsesJava8 048public final class TemporalAccessorParser implements Parser<TemporalAccessor> { 049 050 private final Class<? extends TemporalAccessor> temporalAccessorType; 051 052 private final DateTimeFormatter formatter; 053 054 055 /** 056 * Create a new TemporalAccessorParser for the given TemporalAccessor type. 057 * @param temporalAccessorType the specific TemporalAccessor class 058 * (LocalDate, LocalTime, LocalDateTime, ZonedDateTime, OffsetDateTime, OffsetTime) 059 * @param formatter the base DateTimeFormatter instance 060 */ 061 public TemporalAccessorParser(Class<? extends TemporalAccessor> temporalAccessorType, DateTimeFormatter formatter) { 062 this.temporalAccessorType = temporalAccessorType; 063 this.formatter = formatter; 064 } 065 066 067 @Override 068 public TemporalAccessor parse(String text, Locale locale) throws ParseException { 069 DateTimeFormatter formatterToUse = DateTimeContextHolder.getFormatter(this.formatter, locale); 070 if (LocalDate.class == this.temporalAccessorType) { 071 return LocalDate.parse(text, formatterToUse); 072 } 073 else if (LocalTime.class == this.temporalAccessorType) { 074 return LocalTime.parse(text, formatterToUse); 075 } 076 else if (LocalDateTime.class == this.temporalAccessorType) { 077 return LocalDateTime.parse(text, formatterToUse); 078 } 079 else if (ZonedDateTime.class == this.temporalAccessorType) { 080 return ZonedDateTime.parse(text, formatterToUse); 081 } 082 else if (OffsetDateTime.class == this.temporalAccessorType) { 083 return OffsetDateTime.parse(text, formatterToUse); 084 } 085 else if (OffsetTime.class == this.temporalAccessorType) { 086 return OffsetTime.parse(text, formatterToUse); 087 } 088 else { 089 throw new IllegalStateException("Unsupported TemporalAccessor type: " + this.temporalAccessorType); 090 } 091 } 092 093}