com.jaspersoft.jasperserver.war.cascade.handlers.converters.DoubleDataConverter.java Source code

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Here is the source code for com.jaspersoft.jasperserver.war.cascade.handlers.converters.DoubleDataConverter.java

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/*
 * Copyright (C) 2005 - 2014 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 free software: you can redistribute it and/or  modify
 * it under the terms of the GNU Affero General Public License  as
 * published by the Free Software Foundation, either version 3 of  the
 * License, or (at your option) any later version.
 *
 * This program 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 Affero  General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public  License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package com.jaspersoft.jasperserver.war.cascade.handlers.converters;

import org.apache.commons.lang.StringUtils;
import org.springframework.context.i18n.LocaleContextHolder;
import org.springframework.stereotype.Service;

import java.text.DecimalFormat;
import java.text.NumberFormat;

/**
 * @author Yaroslav.Kovalchyk
 * @version $Id: DoubleDataConverter.java 47331 2014-07-18 09:13:06Z kklein $
 */
@Service
public class DoubleDataConverter implements DataConverter<Double> {
    @Override
    public Double stringToValue(String rawData) {
        return StringUtils.isNotEmpty(rawData) ? Double.parseDouble(rawData.replace(",", ".")) : null;
    }

    @Override
    public String valueToString(Double value) {
        if (value == null)
            return "";
        DecimalFormat df = (DecimalFormat) NumberFormat.getNumberInstance(LocaleContextHolder.getLocale());
        df.setGroupingUsed(false);
        df.setMaximumFractionDigits(Integer.MAX_VALUE);
        return df.format(value);
    }
}