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JasperReports Library
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/*
 * JasperReports - Free Java Reporting Library.
 * Copyright (C) 2001 - 2011 Jaspersoft Corporation. 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.csv;

import java.io.File;
import java.io.FileNotFoundException;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.Map;

import net.sf.jasperreports.data.AbstractDataAdapterService;
import net.sf.jasperreports.engine.DefaultJasperReportsContext;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRParameter;
import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.engine.data.JRCsvDataSource;
import net.sf.jasperreports.engine.query.JRCsvQueryExecuterFactory;

/**
 * @author Teodor Danciu ([email protected])
 * @version $Id: CsvDataAdapterService.java 5050 2012-03-12 10:11:26Z teodord $
 */
public class CsvDataAdapterService extends AbstractDataAdapterService 
{
	
	/**
	 * 
	 */
	public CsvDataAdapterService(JasperReportsContext jasperReportsContext, CsvDataAdapter csvDataAdapter)
	{
		super(jasperReportsContext, csvDataAdapter);
	}
	
	/**
	 * @deprecated Replaced by {@link #CsvDataAdapterService(JasperReportsContext, CsvDataAdapter)}.
	 */
	public CsvDataAdapterService(CsvDataAdapter csvDataAdapter)
	{
		this(DefaultJasperReportsContext.getInstance(), csvDataAdapter);
	}
	
	public CsvDataAdapter getCsvDataAdapter()
	{
		return (CsvDataAdapter)getDataAdapter();
	}
	
	@Override
	public void contributeParameters(Map parameters) throws JRException
	{
		CsvDataAdapter csvDataAdapter = getCsvDataAdapter();
		if (csvDataAdapter != null)
		{
			String datePattern = csvDataAdapter.getDatePattern();
			String numberPattern = csvDataAdapter.getNumberPattern();
			if (csvDataAdapter.isQueryExecuterMode())//FIXME check this
			{	
				parameters.put(JRCsvQueryExecuterFactory.CSV_SOURCE, csvDataAdapter.getFileName());
				if (datePattern != null && datePattern.length() > 0)
				{
					parameters.put( JRCsvQueryExecuterFactory.CSV_DATE_FORMAT, new SimpleDateFormat(datePattern) );
				}
				if (numberPattern != null && numberPattern.length() > 0)
				{
					parameters.put( JRCsvQueryExecuterFactory.CSV_NUMBER_FORMAT, new DecimalFormat(numberPattern) );
				}
				parameters.put( JRCsvQueryExecuterFactory.CSV_FIELD_DELIMITER, csvDataAdapter.getFieldDelimiter());
				parameters.put( JRCsvQueryExecuterFactory.CSV_RECORD_DELIMITER, csvDataAdapter.getRecordDelimiter());
				parameters.put( JRCsvQueryExecuterFactory.CSV_USE_FIRST_ROW_AS_HEADER, new Boolean(csvDataAdapter.isUseFirstRowAsHeader()));

				if (!csvDataAdapter.isUseFirstRowAsHeader())
				{ 
					parameters.put( JRCsvQueryExecuterFactory.CSV_COLUMN_NAMES_ARRAY, getColumnNames(csvDataAdapter));
				}
			}else{
				try {
					JRCsvDataSource ds = new JRCsvDataSource( new File( csvDataAdapter.getFileName()));								
					if (datePattern != null && datePattern.length() > 0)
					{
						ds.setDateFormat( new SimpleDateFormat(datePattern) );
					}
					if (numberPattern != null && numberPattern.length() > 0)
					{
						ds.setNumberFormat( new DecimalFormat(numberPattern) );
					}
					ds.setFieldDelimiter( csvDataAdapter.getFieldDelimiter().charAt(0) );
					ds.setRecordDelimiter( csvDataAdapter.getRecordDelimiter() );				
					ds.setUseFirstRowAsHeader( csvDataAdapter.isUseFirstRowAsHeader() );
					
					if (!csvDataAdapter.isUseFirstRowAsHeader())
					{ 
						ds.setColumnNames( getColumnNames(csvDataAdapter) );
					}
					
					parameters.put(JRParameter.REPORT_DATA_SOURCE, ds);
				} catch (FileNotFoundException e) {
					throw new JRException(e);
				}
			}
		}
	}

	private String[] getColumnNames(CsvDataAdapter csvDataAdapter) {
		String[] names = new String[csvDataAdapter.getColumnNames().size()];
		for (int i=0; i < names.length; ++i )
		{
			names[i] = "" + csvDataAdapter.getColumnNames().get(i);
		}
		return names;
	}
	
}