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/*
 * JasperReports - Free Java Reporting Library.
 * Copyright (C) 2001 - 2019 TIBCO Software Inc. All rights reserved.
 * http://www.jaspersoft.com
 *
 * Unless you have purchased a commercial license agreement from Jaspersoft,
 * the following license terms apply:
 *
 * This program is part of JasperReports.
 *
 * JasperReports 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 3 of the License, or
 * (at your option) any later version.
 *
 * JasperReports 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 JasperReports. If not, see .
 */
package net.sf.jasperreports.data;

import java.util.Map;

import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.engine.ParameterContributorContext;

/**
 * @author Lucian Chirita ([email protected])
 */
public class DataFileUtils
{

	public static DataFileUtils instance(ParameterContributorContext paramContribContext)
	{
		return new DataFileUtils(paramContribContext);
	}
	
	/**
	 * @deprecated Replaced by {@link #instance(ParameterContributorContext)}.
	 */
	public static DataFileUtils instance(JasperReportsContext jasperReportsContext)
	{
		return new DataFileUtils(jasperReportsContext);
	}
	
	private final ParameterContributorContext paramContribContext;

	protected DataFileUtils(ParameterContributorContext paramContribContext)
	{
		super();
		this.paramContribContext = paramContribContext;
	}
	
	/**
	 * @deprecated Replaced by {@link #DataFileUtils(ParameterContributorContext)}.
	 */
	protected DataFileUtils(JasperReportsContext jasperReportsContext)
	{
		this(new ParameterContributorContext(jasperReportsContext, null, null));
	}
	
	public DataFileConnection createConnection(DataFile dataFile, Map parameters) throws JRException
	{
		DataFileResolver dataFileResolver = DataFileResolver.instance(paramContribContext);
		DataFileService dataFileService = dataFileResolver.getService(dataFile);
		
		DataFileConnection dataConnection = dataFileService.getDataFileConnection(parameters);
		return dataConnection;
	}
	
	public DataFileStream getDataStream(DataFile dataFile, Map parameters) throws JRException
	{
		DataFileConnection connection = createConnection(dataFile, parameters);
		return new DataFileStream(connection);
	}
	
}