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Free Java Reporting Library
/*
* 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.csv;
import java.io.UnsupportedEncodingException;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.text.SimpleDateFormat;
import java.util.Locale;
import java.util.Map;
import java.util.TimeZone;
import net.sf.jasperreports.data.AbstractDataAdapterService;
import net.sf.jasperreports.data.DataFileStream;
import net.sf.jasperreports.data.DataFileUtils;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRParameter;
import net.sf.jasperreports.engine.ParameterContributorContext;
import net.sf.jasperreports.engine.data.JRCsvDataSource;
import net.sf.jasperreports.engine.query.JRCsvQueryExecuterFactory;
import net.sf.jasperreports.engine.util.Designated;
/**
* @author Teodor Danciu ([email protected])
*/
public class CsvDataAdapterService extends AbstractDataAdapterService implements Designated
{
public static final String SERVICE_DESIGNATION = "net.sf.jasperreports.data.adapter:CSV";
private DataFileStream dataStream;
/**
*
*/
public CsvDataAdapterService(ParameterContributorContext paramContribContext, CsvDataAdapter csvDataAdapter)
{
super(paramContribContext, csvDataAdapter);
}
public CsvDataAdapter getCsvDataAdapter()
{
return (CsvDataAdapter)getDataAdapter();
}
@Override
public void contributeParameters(Map parameters) throws JRException
{
CsvDataAdapter csvDataAdapter = getCsvDataAdapter();
if (csvDataAdapter != null)
{
dataStream = DataFileUtils.instance(getParameterContributorContext()).getDataStream(
csvDataAdapter.getDataFile(), parameters);
Locale locale = csvDataAdapter.getLocale();
TimeZone timeZone = csvDataAdapter.getTimeZone();
String datePattern = csvDataAdapter.getDatePattern();
String numberPattern = csvDataAdapter.getNumberPattern();
if (csvDataAdapter.isQueryExecuterMode())
{
parameters.put(JRCsvQueryExecuterFactory.CSV_INPUT_STREAM, dataStream);
if (csvDataAdapter.getEncoding() != null)
{
parameters.put(JRCsvQueryExecuterFactory.CSV_ENCODING, csvDataAdapter.getEncoding());
}
if (locale != null)
{
parameters.put(JRCsvQueryExecuterFactory.CSV_LOCALE, locale);
}
if (timeZone != null)
{
parameters.put(JRCsvQueryExecuterFactory.CSV_TIMEZONE, timeZone);
}
if (datePattern != null && datePattern.length() > 0)
{
SimpleDateFormat sdf = null;
if (locale == null)
{
sdf = new SimpleDateFormat(datePattern);
}
else
{
sdf = new SimpleDateFormat(datePattern, locale);
}
if (timeZone != null)
{
sdf.setTimeZone(timeZone);
}
parameters.put(JRCsvQueryExecuterFactory.CSV_DATE_FORMAT, sdf);
}
if (numberPattern != null && numberPattern.length() > 0)
{
DecimalFormat df = null;
if (locale == null)
{
df = new DecimalFormat(numberPattern);
}
else
{
df = new DecimalFormat(numberPattern, DecimalFormatSymbols.getInstance(locale));
}
parameters.put(JRCsvQueryExecuterFactory.CSV_NUMBER_FORMAT, df);
}
String fieldDelimiter = csvDataAdapter.getFieldDelimiter();
if (fieldDelimiter != null && !fieldDelimiter.isEmpty()) {
parameters.put( JRCsvQueryExecuterFactory.CSV_FIELD_DELIMITER, fieldDelimiter);
}
String recordDelimiter = csvDataAdapter.getRecordDelimiter();
if (recordDelimiter != null && !recordDelimiter.isEmpty()) {
parameters.put( JRCsvQueryExecuterFactory.CSV_RECORD_DELIMITER, recordDelimiter);
}
parameters.put( JRCsvQueryExecuterFactory.CSV_USE_FIRST_ROW_AS_HEADER, csvDataAdapter.isUseFirstRowAsHeader());
if (!csvDataAdapter.isUseFirstRowAsHeader())
{
parameters.put( JRCsvQueryExecuterFactory.CSV_COLUMN_NAMES_ARRAY, getColumnNames(csvDataAdapter));
}
}
else
{
JRCsvDataSource ds = null;
if (csvDataAdapter.getEncoding() == null)
{
ds = new JRCsvDataSource(dataStream);
}
else
{
try
{
ds = new JRCsvDataSource(dataStream, csvDataAdapter.getEncoding());
}
catch (UnsupportedEncodingException e)
{
throw new JRException(e);
}
}
if (locale != null)
{
ds.setLocale(locale);
}
if (timeZone != null)
{
ds.setTimeZone(timeZone);
}
if (datePattern != null && datePattern.length() > 0)
{
SimpleDateFormat sdf = null;
if (locale == null)
{
sdf = new SimpleDateFormat(datePattern);
}
else
{
sdf = new SimpleDateFormat(datePattern, locale);
}
if (timeZone != null)
{
sdf.setTimeZone(timeZone);
}
ds.setDateFormat(sdf);
}
if (numberPattern != null && numberPattern.length() > 0)
{
DecimalFormat df = null;
if (locale == null)
{
df = new DecimalFormat(numberPattern);
}
else
{
df = new DecimalFormat(numberPattern, DecimalFormatSymbols.getInstance(locale));
}
ds.setNumberFormat(df);
}
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);
}
}
}
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;
}
@Override
public void dispose()
{
if (dataStream != null)
{
dataStream.dispose();
}
super.dispose();
}
@Override
public String getDesignation()
{
return SERVICE_DESIGNATION;
}
}