/*
* 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.datasources.kettle.parser;
import org.pentaho.reporting.libraries.xmlns.parser.AbstractXmlReadHandler;
import org.pentaho.reporting.libraries.xmlns.parser.ParseException;
import org.pentaho.reporting.engine.classic.core.ParameterMapping;
import org.xml.sax.SAXException;
import org.xml.sax.Attributes;
/**
* Todo: Document Me
*
* @author Thomas Morgner
*/
public class VariableReadHandler extends AbstractXmlReadHandler
{
private String dataRowName;
private String variableName;
public VariableReadHandler()
{
}
/**
* Starts parsing.
*
* @param attrs the attributes.
* @throws SAXException if there is a parsing error.
*/
protected void startParsing(final Attributes attrs) throws SAXException
{
dataRowName = attrs.getValue(getUri(), "datarow-name");
if (dataRowName == null)
{
throw new ParseException("Required attribute 'datarow-name' is not defined");
}
variableName = attrs.getValue(getUri(), "variable-name");
if (variableName == null)
{
variableName = dataRowName;
}
}
/**
* 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 new ParameterMapping(dataRowName, variableName);
}
public String getVariableName()
{
return variableName;
}
public String getDataRowName()
{
return dataRowName;
}
}