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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
package com.sun.star.report.pentaho;
import com.sun.star.report.DataSourceException;
import com.sun.star.report.DataSourceFactory;
import java.util.HashMap;
import org.jfree.report.DataSet;
import org.jfree.report.ReportData;
import org.jfree.report.ReportDataFactory;
import org.jfree.report.ReportDataFactoryException;
public class StarReportDataFactory implements ReportDataFactory, Cloneable
{
private final DataSourceFactory backend;
public StarReportDataFactory(DataSourceFactory backend)
{
this.backend = backend;
}
/**
* Queries a datasource. The string 'query' defines the name of the query. The
* Parameterset given here may contain more data than actually needed.
* <p/>
* The dataset may change between two calls, do not assume anything!
*
* @param query
* @param parameters
* @return
*/
public ReportData queryData(final String query, final DataSet parameters)
throws ReportDataFactoryException
{
try
{
final HashMap map = new HashMap();
final int count = parameters.getColumnCount();
for (int i = 0; i < count; i++)
{
final Object o = parameters.get(i);
map.put(parameters.getColumnName(i), o);
}
return new StarReportData(backend.queryData(query, map));
}
catch (DataSourceException dse)
{
String message = dse.getMessage();
if (message.length() == 0)
{
message = "Failed to create report data wrapper";
}
throw new ReportDataFactoryException(message, dse);
}
catch (org.jfree.report.DataSourceException e)
{
String message = e.getMessage();
if (message.length() == 0)
{
message = "Failed to query data";
}
throw new ReportDataFactoryException(message);
}
}
public void open()
{
}
public void close()
{
}
/**
* Derives a freshly initialized report data factory, which is independend of
* the original data factory. Opening or Closing one data factory must not
* affect the other factories.
*
* @return
*/
public ReportDataFactory derive()
{
try
{
return (ReportDataFactory) clone();
}
catch (CloneNotSupportedException e)
{
throw new IllegalStateException("Clone failed?");
}
}
public Object clone() throws CloneNotSupportedException
{
return super.clone();
}
}
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