/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 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 Lesser General Public License for more details.
*
* Copyright (c) 2008 - 2009 Pentaho Corporation, . All rights reserved.
*/
package org.pentaho.reporting.engine.classic.extensions.parsers.reportdesigner.datasets;
import java.util.ArrayList;
import java.util.Properties;
import org.pentaho.reporting.engine.classic.core.DataFactory;
import org.pentaho.reporting.engine.classic.core.modules.misc.datafactory.sql.DriverConnectionProvider;
import org.pentaho.reporting.engine.classic.core.modules.misc.datafactory.sql.SQLReportDataFactory;
import org.pentaho.reporting.engine.classic.extensions.datasources.mondrian.LegacyBandedMDXDataFactory;
import org.pentaho.reporting.engine.classic.extensions.datasources.mondrian.DefaultCubeFileProvider;
import org.pentaho.reporting.engine.classic.extensions.datasources.mondrian.DriverDataSourceProvider;
import org.pentaho.reporting.engine.classic.extensions.datasources.pmd.PmdDataFactory;
import org.pentaho.reporting.engine.classic.extensions.datasources.xpath.XPathDataFactory;
import org.pentaho.reporting.libraries.xmlns.parser.IgnoreAnyChildReadHandler;
import org.pentaho.reporting.libraries.xmlns.parser.ParseException;
import org.pentaho.reporting.libraries.xmlns.parser.PropertiesReadHandler;
import org.pentaho.reporting.libraries.xmlns.parser.XmlReadHandler;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* Todo: Document Me
*
* @author Thomas Morgner
*/
public class MultiDataSetReadHandler extends PropertiesReadHandler
{
private ArrayList queries;
private SelectedJNDIDataSourceReadHandler selectedJNDIDataSourceReadHandler;
private DataFactory dataFactory;
public MultiDataSetReadHandler()
{
queries = new ArrayList();
}
/**
* Returns the handler for a child element.
*
* @param uri the URI of the namespace of the current element.
* @param tagName the tag name.
* @param atts the attributes.
* @return the handler or null, if the tagname is invalid.
* @throws SAXException if there is a parsing error.
*/
protected XmlReadHandler getHandlerForChild(final String uri,
final String tagName,
final Attributes atts) throws SAXException
{
if (isSameNamespace(uri) == false)
{
return null;
}
if ("query".equals(tagName))
{
final QueryReadHandler readHandler = new QueryReadHandler();
queries.add(readHandler);
return readHandler;
}
if ("padding".equals(tagName))
{
return new IgnoreAnyChildReadHandler();
}
if ("selectedJNDIDataSource".equals(tagName))
{
selectedJNDIDataSourceReadHandler = new SelectedJNDIDataSourceReadHandler();
return selectedJNDIDataSourceReadHandler;
}
if ("columnInfo".equals(tagName))
{
return new IgnoreAnyChildReadHandler();
}
return super.getHandlerForChild(uri, tagName, atts);
}
/**
* Done parsing.
*
* @throws SAXException if there is a parsing error.
*/
protected void doneParsing() throws SAXException
{
super.doneParsing();
final Properties result = getResult();
final String connectionType = result.getProperty("connectionType");
final String xQueryDataFile = result.getProperty("xQueryDataFile");
final String xmiDefinitionFile = result.getProperty("xmiDefinitionFile");
final String mondrianCubeDefinition = result.getProperty("mondrianCubeDefinitionFile");
final boolean useMondrianCubeDefinition = "true".equals(result.getProperty("useMondrianCubeDefinition"));
if ("MQL".equals(connectionType))
{
if (xmiDefinitionFile == null)
{
throw new ParseException("Required property 'xmiDefinitionFile' is missing");
}
final PmdDataFactory dataFactory = new PmdDataFactory();
dataFactory.setXmiFile(xmiDefinitionFile);
for (int i = 0; i < queries.size(); i++)
{
final QueryReadHandler handler = (QueryReadHandler) queries.get(i);
dataFactory.setQuery(handler.getQueryName(), handler.getQuery());
}
final String queryNameProperty = result.getProperty("queryString");
if (queryNameProperty != null)
{
dataFactory.setQuery("default", queryNameProperty);
}
this.dataFactory = dataFactory;
}
else if ("XQuery".equals(connectionType))
{
if (xQueryDataFile == null)
{
throw new ParseException("Required property 'xQueryDataFile' is missing");
}
final XPathDataFactory dataFactory = new XPathDataFactory();
dataFactory.setXqueryDataFile(xQueryDataFile);
for (int i = 0; i < queries.size(); i++)
{
final QueryReadHandler handler = (QueryReadHandler) queries.get(i);
dataFactory.setQuery(handler.getQueryName(), handler.getQuery());
}
final String queryNameProperty = result.getProperty("queryString");
if (queryNameProperty != null)
{
dataFactory.setQuery("default", queryNameProperty);
}
this.dataFactory = dataFactory;
}
else if ("JNDI".equals(connectionType))
{
if (selectedJNDIDataSourceReadHandler == null)
{
throw new ParseException("Required element 'selectedJNDIDataSourceReadHandler' is missing");
}
if (useMondrianCubeDefinition)
{
if (mondrianCubeDefinition == null)
{
throw new ParseException("Required property 'mondrianCubeDefinitionFile' is missing");
}
final LegacyBandedMDXDataFactory dataFactory = new LegacyBandedMDXDataFactory();
dataFactory.setCubeFileProvider(new DefaultCubeFileProvider(mondrianCubeDefinition));
dataFactory.setJdbcUser(selectedJNDIDataSourceReadHandler.getUsername());
dataFactory.setJdbcPassword(selectedJNDIDataSourceReadHandler.getPassword());
dataFactory.setDesignTimeName(selectedJNDIDataSourceReadHandler.getJndiName());
final DriverDataSourceProvider driverDataSourceProvider = new DriverDataSourceProvider();
driverDataSourceProvider.setDriver(selectedJNDIDataSourceReadHandler.getDriverClass());
driverDataSourceProvider.setUrl(selectedJNDIDataSourceReadHandler.getConnectionString());
dataFactory.setDataSourceProvider(driverDataSourceProvider);
for (int i = 0; i < queries.size(); i++)
{
final QueryReadHandler handler = (QueryReadHandler) queries.get(i);
dataFactory.setQuery(handler.getQueryName(), handler.getQuery());
}
final String queryNameProperty = result.getProperty("queryString");
if (queryNameProperty != null)
{
dataFactory.setQuery("default", queryNameProperty);
}
this.dataFactory = dataFactory;
}
else
{
final DriverConnectionProvider drc = new DriverConnectionProvider();
drc.setUrl(selectedJNDIDataSourceReadHandler.getConnectionString());
drc.setDriver(selectedJNDIDataSourceReadHandler.getDriverClass());
drc.setProperty("user", selectedJNDIDataSourceReadHandler.getUsername());
drc.setProperty("password", selectedJNDIDataSourceReadHandler.getPassword());
drc.setProperty("::pentaho-reporting::name", selectedJNDIDataSourceReadHandler.getJndiName());
final SQLReportDataFactory dataFactory = new SQLReportDataFactory(drc);
for (int i = 0; i < queries.size(); i++)
{
final QueryReadHandler handler = (QueryReadHandler) queries.get(i);
dataFactory.setQuery(handler.getQueryName(), handler.getQuery());
}
final String queryNameProperty = result.getProperty("queryString");
if (queryNameProperty != null)
{
dataFactory.setQuery("default", queryNameProperty);
}
this.dataFactory = dataFactory;
}
}
else
{
throw new ParseException("Required Property 'connectionType' is missing", getLocator());
}
}
/**
* Returns the object for this element or null, if this element does not create an object.
*
* @return the object.
* @throws SAXException if an parser error occured.
*/
public Object getObject() throws SAXException
{
return dataFactory;
}
}