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Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2022 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.query;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
import net.sf.jasperreports.engine.JRDataSource;
import net.sf.jasperreports.engine.JRDataset;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRValueParameter;
import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.engine.data.XlsDataSource;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.poi.ss.usermodel.Workbook;
/**
* XLS query executer implementation.
*
* @author Narcis Marcu ([email protected])
*/
public class XlsQueryExecuter extends AbstractXlsQueryExecuter {
private static final Log log = LogFactory.getLog(XlsQueryExecuter.class);
/**
*
*/
protected XlsQueryExecuter(
JasperReportsContext jasperReportsContext,
JRDataset dataset,
Map parametersMap
)
{
this(SimpleQueryExecutionContext.of(jasperReportsContext),
dataset, parametersMap);
}
protected XlsQueryExecuter(
QueryExecutionContext context,
JRDataset dataset,
Map parametersMap
)
{
super(context, dataset, parametersMap);
}
@Override
public JRDataSource createDatasource() throws JRException {
XlsDataSource datasource = null;
try {
Workbook workbook = (Workbook) getParameterValue(AbstractXlsQueryExecuterFactory.XLS_WORKBOOK);
if (workbook != null) {
datasource = new XlsDataSource(workbook);
} else {
InputStream xlsInputStream = (InputStream) getParameterValue(AbstractXlsQueryExecuterFactory.XLS_INPUT_STREAM);
if (xlsInputStream != null) {
datasource = new XlsDataSource(xlsInputStream);
} else {
File xlsFile = (File) getParameterValue(AbstractXlsQueryExecuterFactory.XLS_FILE);
if (xlsFile != null) {
datasource = new XlsDataSource(xlsFile);
} else {
String xlsSource = getStringParameterOrProperty(AbstractXlsQueryExecuterFactory.XLS_SOURCE);
if (xlsSource != null) {
datasource = new XlsDataSource(getRepositoryContext(), xlsSource);
} else {
if (log.isWarnEnabled()){
log.warn("No XLS source was provided.");
}
}
}
}
}
} catch (IOException e) {
throw new JRException(e);
}
if (datasource != null) {
initDatasource(datasource);
}
return datasource;
}
}