Java tutorial
/* * JasperReports - Free Java Reporting Library. * Copyright (C) 2001 - 2019 TIBCO Software Inc. All rights reserved. * http://www.jaspersoft.com * * Unless you have purchased a commercial license agreement from Jaspersoft, * the following license terms apply: * * This program is part of JasperReports. * * JasperReports is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * JasperReports is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with JasperReports. If not, see <http://www.gnu.org/licenses/>. */ package net.sf.jasperreports.engine.util; import java.text.ParseException; import java.util.Locale; import org.apache.commons.beanutils.ConversionException; import org.apache.commons.beanutils.locale.converters.DecimalLocaleConverter; /** * <code>DecimalLocaleConverter</code> extension that fixes * https://issues.apache.org/jira/browse/BEANUTILS-351 * * To be removed on upgrade to BeanUtils 1.8.1. * * @deprecated To be removed. * @author Lucian Chirita (lucianc@users.sourceforge.net) */ public class JRFloatLocaleConverter extends DecimalLocaleConverter { public JRFloatLocaleConverter(Locale locale) { super(locale); } @Override protected Object parse(Object value, String pattern) throws ParseException { final Number parsed = (Number) super.parse(value, pattern); double doubleValue = parsed.doubleValue(); double posDouble = (doubleValue >= 0) ? doubleValue : (doubleValue * -1); if ((posDouble > 0 && posDouble < Float.MIN_VALUE) || posDouble > Float.MAX_VALUE) { throw new ConversionException("Supplied number is not of type Float: " + parsed); } return parsed.floatValue(); // unlike superclass it returns Float type } }