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Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2023 Cloud Software Group, 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.json;
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.JRAbstractTextDataSource;
import net.sf.jasperreports.engine.data.JsonDataSource;
import net.sf.jasperreports.engine.data.JsonQLDataSource;
import net.sf.jasperreports.engine.query.JsonQueryExecuterFactory;
/**
* @author Veaceslov Chicu ([email protected])
*/
public class JsonDataAdapterService extends AbstractDataAdapterService
{
private DataFileStream dataStream;
/**
*
*/
public JsonDataAdapterService(ParameterContributorContext paramContribContext, JsonDataAdapter jsonDataAdapter)
{
super(paramContribContext, jsonDataAdapter);
}
public JsonDataAdapter getJsonDataAdapter() {
return (JsonDataAdapter) getDataAdapter();
}
@Override
public void contributeParameters(Map parameters)
throws JRException {
JsonDataAdapter jsonDataAdapter = getJsonDataAdapter();
if (jsonDataAdapter != null) {
dataStream = DataFileUtils.instance(getParameterContributorContext()).getDataStream(
jsonDataAdapter.getDataFile(), parameters);
if (jsonDataAdapter.isUseConnection()) {
parameters.put(JsonQueryExecuterFactory.JSON_INPUT_STREAM, dataStream);
Locale locale = jsonDataAdapter.getLocale();
if (locale != null) {
parameters.put(JsonQueryExecuterFactory.JSON_LOCALE,
locale);
}
TimeZone timeZone = jsonDataAdapter.getTimeZone();
if (timeZone != null) {
parameters.put(
JsonQueryExecuterFactory.JSON_TIME_ZONE,
timeZone);
}
String datePattern = jsonDataAdapter.getDatePattern();
if (datePattern != null && datePattern.trim().length() > 0) {
parameters.put(
JsonQueryExecuterFactory.JSON_DATE_PATTERN,
datePattern);
}
String numberPattern = jsonDataAdapter.getNumberPattern();
if (numberPattern != null
&& numberPattern.trim().length() > 0) {
parameters.put(
JsonQueryExecuterFactory.JSON_NUMBER_PATTERN,
numberPattern);
}
} else {
JRAbstractTextDataSource ds;
switch (jsonDataAdapter.getLanguage()) {
case JSONQL:
ds = new JsonQLDataSource(dataStream, jsonDataAdapter.getSelectExpression());
break;
case JSON:
default:
ds = new JsonDataSource(dataStream, jsonDataAdapter.getSelectExpression());
break;
}
Locale locale = jsonDataAdapter.getLocale();
if (locale != null) {
ds.setLocale(locale);
}
TimeZone timeZone = jsonDataAdapter.getTimeZone();
if (timeZone != null) {
ds.setTimeZone(timeZone);
}
String datePattern = jsonDataAdapter.getDatePattern();
if (datePattern != null && datePattern.trim().length() > 0) {
ds.setDatePattern(datePattern);
}
String numberPattern = jsonDataAdapter.getNumberPattern();
if (numberPattern != null && numberPattern.trim().length() > 0) {
ds.setNumberPattern(numberPattern);
}
parameters.put(JRParameter.REPORT_DATA_SOURCE, ds);
}
}
}
@Override
public void dispose()
{
if (dataStream != null)
{
dataStream.dispose();
}
super.dispose();
}
}