| /******************************************************************************* |
| * Copyright (c) 2007 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| ******************************************************************************/ |
| |
| package org.eclipse.core.internal.databinding.conversion; |
| |
| import java.math.BigDecimal; |
| import java.math.BigInteger; |
| |
| import com.ibm.icu.text.NumberFormat; |
| |
| /** |
| * Converts from a Number to a BigInteger. |
| * <p> |
| * Class is thread safe. |
| * </p> |
| * |
| * @since 1.0 |
| */ |
| public class NumberToBigIntegerConverter extends NumberToNumberConverter { |
| /** |
| * @param numberFormat |
| * @param fromType |
| */ |
| public NumberToBigIntegerConverter(NumberFormat numberFormat, Class fromType) { |
| super(numberFormat, fromType, BigInteger.class); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.internal.databinding.conversion.NumberToNumberConverter#doConvert(java.lang.Number) |
| */ |
| protected Number 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()); |
| } |
| } |