de.boksa.jasper.rt.data.JRRTRESTInterfaceDataSource.java Source code

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Here is the source code for de.boksa.jasper.rt.data.JRRTRESTInterfaceDataSource.java

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/*
 * RT-Jasper - RT-Jasper is a toolkit to integrate RT: Request Tracker as a queryable data source in JasperServer.
 * Copyright (C) 2012  Benjamin Boksa (http://www.boksa.de/)
 * 
 * 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 de.boksa.jasper.rt.data;

import java.math.BigDecimal;
import java.util.Collection;

import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRField;
import net.sf.jasperreports.engine.data.JRAbstractBeanDataSource;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import de.boksa.rt.model.RTTicket;

public class JRRTRESTInterfaceDataSource extends JRBeanCollectionDataSource {

    private static final Log LOG = LogFactory.getLog(JRRTRESTInterfaceDataSource.class);

    public JRRTRESTInterfaceDataSource(Collection<RTTicket> beanCollection) {
        super(beanCollection, true);
    }

    @Override
    public Object getFieldValue(Object currentBean, JRField jrField) throws JRException {
        Object value = JRAbstractBeanDataSource.getBeanProperty(currentBean, this.getPropertyName(jrField));

        return (value instanceof String) ? this.parseValue(jrField.getValueClass(), value.toString()) : value;
    }

    private Object parseValue(Class<?> type, String value) {
        try {
            if (Long.class.equals(type)) {
                return Long.valueOf(value);
            } else if (Double.class.equals(type)) {
                return Double.valueOf(value.replace(',', '.')); // TODO check if this can be handled using the user's locale
            } else if (BigDecimal.class.equals(type)) {
                return new BigDecimal(value.replace(',', '.')); // TODO check if this can be handled using the user's locale
            } else {
                return value;
            }
        } catch (Exception ex) {
            LOG.warn(
                    String.format("Could not parse '%s' from value '%s', returning value.", type.getName(), value));
            return value;
        }
    }

}