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/*
* 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.LocalTime;
/**
* Provides a converter for {@link LocalTime} and convert it to its numeric form of milliseconds since midnight.
*/
@SuppressWarnings("Since15")
public class LocalTimeConverter extends TypeConverter implements SimpleValueConverter {
private static final int MILLI_MODULO = 1000000;
/**
* Creates the Converter.
*/
public LocalTimeConverter() {
super(LocalTime.class);
}
@Override
public Object decode(final Class targetClass, final Object val, final MappedField optionalExtraInfo) {
if (val == null) {
return null;
}
if (val instanceof LocalTime) {
return val;
}
if (val instanceof Number) {
return LocalTime.ofNanoOfDay(((Number) val).longValue() * MILLI_MODULO);
}
throw new IllegalArgumentException("Can't convert to LocalTime from " + val);
}
@Override
public Object encode(final Object value, final MappedField optionalExtraInfo) {
if (value == null) {
return null;
}
LocalTime time = (LocalTime) value;
return time.toNanoOfDay() / MILLI_MODULO;
}
}