/*
* 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 org.pentaho.reporting.libraries.xmlns.parser.AbstractXmlReadHandler;
import org.pentaho.reporting.libraries.xmlns.parser.XmlReadHandler;
import org.pentaho.reporting.libraries.xmlns.parser.IgnoreAnyChildReadHandler;
import org.pentaho.reporting.engine.classic.core.modules.misc.datafactory.sql.SQLReportDataFactory;
import org.pentaho.reporting.engine.classic.core.modules.misc.datafactory.sql.DriverConnectionProvider;
import org.xml.sax.SAXException;
import org.xml.sax.Attributes;
/**
* Todo: Document Me
*
* @author Thomas Morgner
*/
public class JdbcDataSetReadHandler extends AbstractXmlReadHandler
{
private String userName;
private String password;
private String driverClass;
private String sqlQuery;
private String connectionString;
private SQLReportDataFactory dataFactory;
public JdbcDataSetReadHandler()
{
}
/**
* Starts parsing.
*
* @param attrs the attributes.
* @throws SAXException if there is a parsing error.
*/
protected void startParsing(final Attributes attrs) throws SAXException
{
userName = attrs.getValue(getUri(), "userName");
password = attrs.getValue(getUri(), "password");
driverClass = attrs.getValue(getUri(), "driverClass");
sqlQuery = attrs.getValue(getUri(), "sqlQuery");
connectionString = attrs.getValue(getUri(), "connectionString");
}
/**
* 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
{
return new IgnoreAnyChildReadHandler();
}
/**
* Done parsing.
*
* @throws SAXException if there is a parsing error.
*/
protected void doneParsing() throws SAXException
{
final DriverConnectionProvider connectionProvider = new DriverConnectionProvider();
connectionProvider.setDriver(driverClass);
connectionProvider.setUrl(connectionString);
connectionProvider.setProperty("user", userName);
connectionProvider.setProperty("password", password);
dataFactory = new SQLReportDataFactory(connectionProvider);
dataFactory.setQuery("default", sqlQuery);
}
/**
* 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;
}
}