/**
* Global Sensor Networks (GSN) Source Code
* Copyright (c) 2006-2016, Ecole Polytechnique Federale de Lausanne (EPFL)
*
* This file is part of GSN.
*
* GSN is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GSN 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GSN. If not, see <http://www.gnu.org/licenses/>.
*
* File: src/ch/epfl/gsn/reports/ReportManager.java
*
* @author Timotee Maret
* @author Ali Salehi
*
*/
package ch.epfl.gsn.reports;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JasperExportManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.JasperReport;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import net.sf.jasperreports.engine.util.JRLoader;
import org.slf4j.LoggerFactory;
import ch.epfl.gsn.reports.beans.Data;
import ch.epfl.gsn.reports.beans.Report;
import ch.epfl.gsn.reports.beans.Stream;
import ch.epfl.gsn.reports.beans.VirtualSensor;
import org.slf4j.Logger;
public class ReportManager {
public static transient Logger logger= LoggerFactory.getLogger ( ReportManager.class );
public static void generatePdfReport (Collection<Report> reports, String jasperFile, HashMap<String, String> params, OutputStream os) {
try {
JasperPrint print = generate (reports, jasperFile, params) ;
JasperExportManager.exportReportToPdfStream(print, os);
} catch (JRException e) {
logger.error(e.getMessage(), e);
}
}
public static byte[] generatePdfReport (Collection<Report> reports, String jasperFile, HashMap<String, String> params) {
byte[] report = null;
try {
JasperPrint print = generate (reports, jasperFile, params) ;
report = JasperExportManager.exportReportToPdf(print);
} catch (JRException e) {
logger.error(e.getMessage(), e);
}
return report;
}
public static void generatePdfReport (Collection<Report> reports, String jasperFile, HashMap<String, String> params, String PDFoutputPath) {
try {
JasperPrint print = generate (reports, jasperFile, params) ;
JasperExportManager.exportReportToPdfFile(print, PDFoutputPath);
} catch (JRException e) {
logger.error(e.getMessage(), e);
}
}
private static JasperPrint generate (Collection<Report> reports, String jasperFile, HashMap<String, String> params) {
JasperPrint print = null;
JRBeanCollectionDataSource source = new JRBeanCollectionDataSource (reports) ;
try {
JasperReport report = (JasperReport) JRLoader.loadObjectFromLocation(jasperFile);
print = JasperFillManager.fillReport(report, params, source);
} catch (JRException e) {
logger.error(e.getMessage(), e);
}
return print;
}
public static byte[] generateSampleReport () {
// Datas
long now = System.currentTimeMillis();
long twohours = 1000 * 60 * 60 * 2;
Collection<Data> dat1 = new ArrayList<Data> ();
dat1.add(new Data(1, (now + twohours),100.0,"label 1"));
dat1.add(new Data(1, (now + 2 * twohours),90.0,"label 1"));
dat1.add(new Data(1, (now + 9 * twohours),95.0,"label 1"));
Collection<Data> dat2 = new ArrayList<Data> ();
dat2.add(new Data(1, (now + twohours),110.0,"label 1"));
Collection<Data> dat3 = new ArrayList<Data> ();
Date lastUpdate = new Date ();
// Streams
Collection<Stream> fields_v1 = new ArrayList<Stream> ();
fields_v1.add(new Stream("Temperature [C]", lastUpdate.toString(), dat1));
fields_v1.add(new Stream("Humidity [%]", lastUpdate.toString(), dat2));
fields_v1.add(new Stream("Temp", lastUpdate.toString(), dat3));
fields_v1.add(new Stream("Solar", lastUpdate.toString(), dat1));
fields_v1.add(new Stream("Altitude", lastUpdate.toString(), dat1));
fields_v1.add(new Stream("Length 1", lastUpdate.toString(), dat1));
fields_v1.add(new Stream("Length 2", lastUpdate.toString(), dat1));
fields_v1.add(new Stream("Length 3", lastUpdate.toString(), dat1));
fields_v1.add(new Stream("Length 4", lastUpdate.toString(), dat1));
fields_v1.add(new Stream("Length 5", lastUpdate.toString(), dat1));
fields_v1.add(new Stream("Length 6", lastUpdate.toString(), dat1));
fields_v1.add(new Stream("Length 7", lastUpdate.toString(), dat1));
fields_v1.add(new Stream("Length 8", lastUpdate.toString(), dat1));
Collection<Stream> fields_v2 = new ArrayList<Stream> ();
fields_v2.add(new Stream("Stream 1", lastUpdate.toString(), dat2));
fields_v2.add(new Stream("Stream 2", lastUpdate.toString(), dat1));
// Virtual Sensors
Collection<VirtualSensor> virtualSensors = new ArrayList<VirtualSensor> ();
virtualSensors.add(new VirtualSensor("Virtual Sensor One","0.0","0.0", fields_v1));
virtualSensors.add(new VirtualSensor("Virtual Sensor Two","0.0","0.0", fields_v2));
// Report
Collection<Report> reports = new ArrayList<Report> ();
reports.add(new Report("ch.epfl.gsn-reports/report-default.jasper", new Date().toString(), null, null, null, virtualSensors));
// Build the source
ReportManager.generatePdfReport(reports, "ch.epfl.gsn-reports/report-default.jasper", new HashMap<String, String>(), "sample-report.pdf");
byte[] rep = ReportManager.generatePdfReport(reports, "ch.epfl.gsn-reports/report-default.jasper", new HashMap<String, String>());
return rep;
}
public static void main (String[] args) {
generateSampleReport();
System.out.println("done");
}
}