net.sf.jasperreports.engine.util.BigDecimalUtils Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jasperreports Show documentation
Show all versions of jasperreports Show documentation
Free Java Reporting Library
/*
* 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 .
*/
package net.sf.jasperreports.engine.util;
import java.lang.reflect.InvocationTargetException;
import java.math.BigDecimal;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Utility methods for {@link BigDecimal} handling.
*
* @author Lucian Chirita ([email protected])
*/
public final class BigDecimalUtils
{
private static final Log log = LogFactory.getLog(BigDecimalUtils.class);
private static final BigDecimalHandler handler;
static
{
handler = loadHandler();
}
private static BigDecimalHandler loadHandler()
{
BigDecimalHandler handler;
try
{
Class handlerClass = Class.forName(
"net.sf.jasperreports.engine.util.Java15BigDecimalHandler");
handler = (BigDecimalHandler) handlerClass.getDeclaredConstructor().newInstance();
}
catch (ClassNotFoundException | NoSuchMethodException | InvocationTargetException
| IllegalAccessException | InstantiationException e)
{
if (log.isDebugEnabled())
{
log.debug("Failed to instantiate Java 1.5 BigDecimal handler");
}
//fallback to 1.4 handler
handler = new Java14BigDecimalHandler();
}
return handler;
}
/**
* Divides two {@link BigDecimal} values.
*
*
* If running on Java 1.5 or newer, {@link Java15BigDecimalHandler} is used to divide
* the values. Otherwise, the operation is delegated to {@link Java14BigDecimalHandler}.
*
* @param dividend the dividend
* @param divisor the divisor
* @return the division result computed by the {@link BigDecimalHandler} instance
*/
public static BigDecimal divide(BigDecimal dividend, BigDecimal divisor)
{
return handler.divide(dividend, divisor);
}
private BigDecimalUtils()
{
}
}