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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) 2004-2014 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 java.util.Date;
import java.util.TimeZone;
import org.databene.commons.ConversionException;
/**
* Interprets {@link Long} values as milliseconds since 1970-01-01 and
* converts them to {@link Date} objects.
* Created: 26.02.2010 08:19:48
* @since 0.5.0
* @author Volker Bergmann
*/
public class Long2DateConverter extends ThreadSafeConverter{
private TimeZone timeZone;
// constructors ----------------------------------------------------------------------------------------------------
public Long2DateConverter() {
this(TimeZone.getDefault());
}
public Long2DateConverter(TimeZone timeZone) {
super(Long.class, Date.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 Date.class;
}
@Override
public Date convert(Long target) throws ConversionException {
if (target == null)
return null;
return new Date(target - timeZone.getRawOffset());
}
}