/*
* Copyright (c) 2016 MongoDB, Inc.
*
* Licensed 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 org.mongodb.morphia.converters;
import org.mongodb.morphia.mapping.MappedField;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.util.Date;
import static java.time.ZoneId.systemDefault;
Provides a converter for LocalDate
converting the value to the Date at the start of that day. /**
* Provides a converter for {@link LocalDate} converting the value to the Date at the start of that day.
*/
@SuppressWarnings("Since15")
public class LocalDateConverter extends TypeConverter implements SimpleValueConverter {
Creates the Converter.
/**
* Creates the Converter.
*/
public LocalDateConverter() {
super(LocalDate.class);
}
@Override
public Object decode(final Class<?> targetClass, final Object val, final MappedField optionalExtraInfo) {
if (val == null) {
return null;
}
if (val instanceof LocalDate) {
return val;
}
if (val instanceof Date) {
return LocalDateTime.ofInstant(((Date) val).toInstant(), ZoneId.systemDefault()).toLocalDate();
}
throw new IllegalArgumentException("Can't convert to LocalDate from " + val);
}
@Override
public Object encode(final Object value, final MappedField optionalExtraInfo) {
if (value == null) {
return null;
}
LocalDate date = (LocalDate) value;
return Date.from(date.atStartOfDay()
.atZone(systemDefault())
.toInstant());
}
}