001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.typeconverter;
016    
017    import java.math.BigDecimal;
018    
019    import jodd.typeconverter.TypeConversionException;
020    import jodd.typeconverter.TypeConverter;
021    
022    /**
023     * @author Raymond Aug??
024     */
025    public class NumberConverter implements TypeConverter<Number> {
026    
027            @Override
028            public Number convert(Object value) {
029                    if (value == null) {
030                            return null;
031                    }
032    
033                    if (value.getClass() == Number.class) {
034                            return (Number)value;
035                    }
036    
037                    try {
038                            String valueString = value.toString();
039    
040                            valueString = valueString.trim();
041    
042                            return new BigDecimal(valueString);
043                    }
044                    catch (NumberFormatException nfe) {
045                            throw new TypeConversionException(value, nfe);
046                    }
047            }
048    
049    }