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'databene commons' is an open source Java library by Volker Bergmann.
It provides extensions to the Java core library by utility classes, abstract concepts
and concrete implementations.
/*
* Copyright (C) 2004-2015 Volker Bergmann ([email protected]).
* All rights reserved.
*
* 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.databene.commons.converter;
import org.databene.commons.ConversionException;
import java.util.Date;
import java.util.TimeZone;
/**
* Converts a {@link Date} into the number of milliseconds since 1970-01-01 in a certain time zone and back.
* By default it uses the system's default time zone.
* Created: 05.08.2007 07:10:25
* @author Volker Bergmann
*/
public class Date2LongConverter extends ThreadSafeConverter{
private TimeZone timeZone;
// construcors -----------------------------------------------------------------------------------------------------
public Date2LongConverter() {
this(TimeZone.getDefault());
}
public Date2LongConverter(TimeZone timeZone) {
super(Date.class, Long.class);
this.timeZone = timeZone;
}
// properties ------------------------------------------------------------------------------------------------------
public TimeZone getTimeZone() {
return timeZone;
}
public void setTimeZone(TimeZone timeZone) {
this.timeZone = timeZone;
}
// BidirectionalConverter interface implementation -----------------------------------------------------------------
@Override
public Class getTargetType() {
return Long.class;
}
@Override
public Long convert(Date sourceValue) throws ConversionException {
if (sourceValue == null)
return null;
return sourceValue.getTime() + timeZone.getRawOffset();
}
}