/*
* 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) 2001 - 2009 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.modules.parser.data.sql;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
import org.pentaho.reporting.engine.classic.core.modules.misc.datafactory.sql.ConnectionProvider;
import org.pentaho.reporting.engine.classic.core.modules.misc.datafactory.sql.DriverConnectionProvider;
import org.pentaho.reporting.libraries.xmlns.parser.AbstractXmlReadHandler;
import org.pentaho.reporting.libraries.xmlns.parser.PropertiesReadHandler;
import org.pentaho.reporting.libraries.xmlns.parser.StringReadHandler;
import org.pentaho.reporting.libraries.xmlns.parser.XmlReadHandler;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* Creation-Date: 07.04.2006, 18:09:25
*
* @author Thomas Morgner
*/
public class DriverConnectionReadHandler extends AbstractXmlReadHandler
implements ConnectionReadHandler
{
private StringReadHandler driverReadHandler;
private StringReadHandler urlReadHandler;
private PropertiesReadHandler propertiesReadHandler;
private DriverConnectionProvider driverConnectionProvider;
public DriverConnectionReadHandler()
{
}
/**
* Returns the handler for a child 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 ("driver".equals(tagName))
{
driverReadHandler = new StringReadHandler();
return driverReadHandler;
}
if ("url".equals(tagName))
{
urlReadHandler = new StringReadHandler();
return urlReadHandler;
}
if ("properties".equals(tagName))
{
propertiesReadHandler = new PropertiesReadHandler();
return propertiesReadHandler;
}
return null;
}
/**
* Done parsing.
*
* @throws SAXException if there is a parsing error.
*/
protected void doneParsing() throws SAXException
{
final DriverConnectionProvider provider = new DriverConnectionProvider();
if (driverReadHandler != null)
{
provider.setDriver(driverReadHandler.getResult());
}
if (urlReadHandler != null)
{
provider.setUrl(urlReadHandler.getResult());
}
if (propertiesReadHandler != null)
{
final Properties p = (Properties) propertiesReadHandler.getObject();
final Iterator it = p.entrySet().iterator();
while (it.hasNext())
{
final Map.Entry entry = (Map.Entry) it.next();
provider.setProperty((String) entry.getKey(), (String) entry.getValue());
}
}
driverConnectionProvider = provider;
}
/**
* Returns the object for this element or null, if this element does not create an object.
*
* @return the object.
* @throws SAXException if there is a parsing error.
*/
public Object getObject() throws SAXException
{
return driverConnectionProvider;
}
public ConnectionProvider getProvider()
{
return driverConnectionProvider;
}
}