/*
 * ============================================================================
 * GNU Lesser General Public License
 * ============================================================================
 *
 * JasperReports - Free Java report-generating library.
 * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
 * 
 * JasperSoft Corporation
 * 303 Second Street, Suite 450 North
 * San Francisco, CA 94107
 * http://www.jaspersoft.com
 */
package net.sf.jasperreports.engine.query;

import java.util.Map;

import net.sf.jasperreports.engine.JRDataset;
import net.sf.jasperreports.engine.JRException;

/**
 * XPath query executer factory.
 * <p/>
 * The factory creates {@link net.sf.jasperreports.engine.query.JRXPathQueryExecuter JRXPathQueryExecuter}
 * query executers.
 * 
 * @author Lucian Chirita (lucianc@users.sourceforge.net)
 * @version $Id: JRXPathQueryExecuterFactory.java 1229 2006-04-19 13:27:35 +0300 (Wed, 19 Apr 2006) teodord $
 */
public class JRXPathQueryExecuterFactory implements JRQueryExecuterFactory
{
	/**
	 * Built-in parameter holding the value of the org.w3c.dom.Document used to run the XPath query.
	 */
	public final static String PARAMETER_XML_DATA_DOCUMENT = "XML_DATA_DOCUMENT";
	
	private final static Object[] XPATH_BUILTIN_PARAMETERS = {
		PARAMETER_XML_DATA_DOCUMENT,  org.w3c.dom.Document.class,
		};

	public Object[] getBuiltinParameters()
	{
		return XPATH_BUILTIN_PARAMETERS;
	}

	public JRQueryExecuter createQueryExecuter(JRDataset dataset, Map parameters)
			throws JRException
	{
		return new JRXPathQueryExecuter(dataset, parameters);
	}

	public boolean supportsQueryParameterType(String className)
	{
		return true;
	}
}
