/*
* Copyright (c) 2014, grossmann
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the jo-widgets.org nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL jo-widgets.org BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
package org.jowidgets.impl.convert;
import org.jowidgets.api.convert.IObjectStringConverter;
import org.jowidgets.tools.converter.AbstractObjectStringConverter;
import org.jowidgets.unit.api.IUnitConverter;
import org.jowidgets.unit.api.IUnitValue;
import org.jowidgets.util.Assert;
final class UnitObjectStringConverter<BASE_VALUE_TYPE, UNIT_VALUE_TYPE> extends AbstractObjectStringConverter<BASE_VALUE_TYPE> implements
IObjectStringConverter<BASE_VALUE_TYPE> {
private final IUnitConverter<BASE_VALUE_TYPE, UNIT_VALUE_TYPE> unitConverter;
private final IObjectStringConverter<UNIT_VALUE_TYPE> unitValueConverter;
@SuppressWarnings("unchecked")
UnitObjectStringConverter(
final IUnitConverter<BASE_VALUE_TYPE, UNIT_VALUE_TYPE> unitConverter,
final IObjectStringConverter<? extends UNIT_VALUE_TYPE> unitValueConverter) {
Assert.paramNotNull(unitConverter, "unitConverter");
this.unitConverter = unitConverter;
this.unitValueConverter = (IObjectStringConverter<UNIT_VALUE_TYPE>) unitValueConverter;
}
@Override
public String convertToString(final BASE_VALUE_TYPE value) {
if (value != null) {
final IUnitValue<UNIT_VALUE_TYPE> unitValue = unitConverter.toUnitValue(value);
if (unitValue != null && unitValue.getValue() != null) {
return unitValueConverter.convertToString(unitValue.getValue()) + " " + unitValue.getUnit().getAbbreviation();
}
}
return null;
}
}