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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.text.*;
import java.util.Locale;
/**
* Formats a number as a String.
* Created: 10.09.2007 07:35:18
* @author Volker Bergmann
*/
public class Number2StringConverter extends ThreadSafeConverter {
private int minimumFractionDigits;
private int maximumFractionDigits;
boolean groupingUsed;
public Number2StringConverter(int minimumFractionDigits, int maximumFractionDigits, boolean groupingUsed) {
super(Number.class, String.class);
this.minimumFractionDigits = minimumFractionDigits;
this.maximumFractionDigits = maximumFractionDigits;
this.groupingUsed = groupingUsed;
}
@Override
public String convert(Number sourceValue) throws ConversionException {
return convert(sourceValue, minimumFractionDigits, maximumFractionDigits, groupingUsed);
}
public static String convert(Number sourceValue, int minimumFractionDigits, int maximumFractionDigits, boolean groupingUsed) {
NumberFormat format = NumberFormat.getInstance(Locale.US);
format.setMinimumFractionDigits(minimumFractionDigits);
format.setMaximumFractionDigits(maximumFractionDigits);
format.setGroupingUsed(groupingUsed);
return format.format(sourceValue);
}
}