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/*******************************************************************************
* Copyright (c) 2007, 2015 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
******************************************************************************/
package org.eclipse.core.internal.databinding.conversion;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.text.Format;
/**
* Converts from a Number to a BigInteger.
* <p>
* Class is thread safe.
* </p>
*
* @since 1.0
*/
public class NumberToBigIntegerConverter extends NumberToNumberConverter<BigInteger> {
/**
* @param numberFormat
* @param fromType
*/
public NumberToBigIntegerConverter(Format numberFormat, Class<?> fromType) {
super(numberFormat, fromType, BigInteger.class);
}
@Override
protected BigInteger doConvert(Number number) {
return toBigDecimal(number).toBigInteger();
}
private static BigDecimal toBigDecimal(Number number) {
if (number instanceof BigDecimal) {
return (BigDecimal) number;
}
return new BigDecimal(number.doubleValue());
}
}
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