// uniCenta oPOS - Touch Friendly Point Of Sale
// Copyright (c) 2009-2014 uniCenta & previous Openbravo POS works
// http://www.unicenta.com
//
// This file is part of uniCenta oPOS
//
// uniCenta oPOS is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// uniCenta oPOS 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with uniCenta oPOS. If not, see <http://www.gnu.org/licenses/>.
package com.openbravo.pos.reports;
import com.openbravo.basic.BasicException;
import com.openbravo.data.loader.BaseSentence;
import com.openbravo.data.loader.DataResultSet;
import com.openbravo.pos.forms.AppLocal;
import net.sf.jasperreports.engine.JRDataSource;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRField;
/**
*
* @author JG uniCenta
*/
public class JRDataSourceBasic implements JRDataSource {
private BaseSentence sent;
private DataResultSet SRS = null;
private Object current = null;
private ReportFields m_fields = null;
/** Creates a new instance of JRDataSourceBasic
* @param sent
* @param fields
* @param params
* @throws com.openbravo.basic.BasicException */
public JRDataSourceBasic(BaseSentence sent, ReportFields fields, Object params) throws BasicException {
this.sent = sent;
SRS = sent.openExec(params);
m_fields = fields;
}
/**
*
* @param jrField
* @return
* @throws JRException
*/
@Override
public Object getFieldValue(JRField jrField) throws JRException {
try {
return m_fields.getField(current, jrField.getName());
} catch (ReportException er) {
throw new JRException(er);
}
}
/**
*
* @return
* @throws JRException
*/
@Override
public boolean next() throws JRException {
if (SRS == null) {
throw new JRException(AppLocal.getIntString("exception.unavailabledataset"));
}
try {
if (SRS.next()) {
current = SRS.getCurrent();
return true;
} else {
current = null;
SRS = null;
sent.closeExec();
sent = null;
return false;
}
} catch (BasicException e) {
throw new JRException(e);
}
}
}