Jasper Report - How to print pdf, html and excel reports

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;

import net.sf.jasperreports.engine.JRExporterParameter;
import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperExportManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.JasperReport;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import net.sf.jasperreports.engine.design.JasperDesign;
import net.sf.jasperreports.engine.export.JRXlsExporter;
import net.sf.jasperreports.engine.export.JRXlsExporterParameter;
import net.sf.jasperreports.engine.xml.JRXmlLoader;
import net.sf.jasperreports.view.JasperViewer;

public class ReportGeneration {

    public static void main(String[] args) {       

        InputStream inputStream;
        JasperReport jasperReport = null;
        try {
            // First, load JasperDesign from XML and compile it into JasperReport
            inputStream = new FileInputStream ("C:/MSC_project/JasperProjects/TestPro2/src/test_jasper_rep1.jrxml");
            JasperDesign jasperDesign = JRXmlLoader.load(inputStream);
            jasperReport = JasperCompileManager.compileReport(jasperDesign);
        } catch (Exception e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }

        // Second, create a map of parameters to pass to the report.
        Map parameters = new HashMap();
        parameters.put("Title", "Basic JasperReport");
        parameters.put("MaxSalary", new Double(25000.00));
        // Third, get a database connection

        // String dbUrl = props.getProperty("jdbc.url");
        String dbUrl = "jdbc:mysql://localhost:3306/struts_tiles1";
        // String dbDriver = props.getProperty("jdbc.driver");
        String dbDriver = "com.mysql.jdbc.Driver";
        // String dbUname = props.getProperty("db.username");
        String dbUname = "root";
        // String dbPwd = props.getProperty("db.password");
        String dbPwd = "123456";
        Connection conn;
        JasperPrint jasperPrint = null;
        // Load the JDBC driver
        try {
            Class.forName(dbDriver);
            // Get the connection
            conn = DriverManager.getConnection(dbUrl, dbUname, dbPwd);
            // Fourth, create JasperPrint using fillReport() ethod
            jasperPrint = JasperManager.fillReport(jasperReport,parameters, conn);
            // You can use JasperPrint to create PDF
            JasperManager.printReportToPdfFile(jasperPrint, "C:/BasicReport.pdf");


            JasperExportManager.exportReportToHtmlFile(jasperPrint, "C:/BasicReport.html" );

            JRXlsExporter exporter = new JRXlsExporter();
            exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
            exporter.setParameter(JRExporterParameter.OUTPUT_FILE_NAME, "C:/BasicReport.xls" );

            exporter.exportReport();

            // coding For Excel:

            /*ByteArrayOutputStream outputByteArray = new ByteArrayOutputStream();
            OutputStream outputfile= new FileOutputStream(new File("C:/BasicReport.xls"));

             JRXlsExporter exporterXLS = new JRXlsExporter();
             exporterXLS.setParameter(JRXlsExporterParameter.JASPER_PRINT, jasperPrint);
             exporterXLS.setParameter(JRXlsExporterParameter.OUTPUT_STREAM, outputByteArray);
             exporterXLS.setParameter(JRXlsExporterParameter.IS_ONE_PAGE_PER_SHEET, Boolean.FALSE);
             exporterXLS.setParameter(JRXlsExporterParameter.IS_DETECT_CELL_TYPE, Boolean.TRUE);
             exporterXLS.setParameter(JRXlsExporterParameter.IS_WHITE_PAGE_BACKGROUND, Boolean.FALSE);
             exporterXLS.setParameter(JRXlsExporterParameter.IS_REMOVE_EMPTY_SPACE_BETWEEN_ROWS, Boolean.TRUE);
             exporterXLS.exportReport();
             outputfile.write(outputByteArray.toByteArray()); */


        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        // Or to view report in the JasperViewer
        JasperViewer.viewReport(jasperPrint);

    }

}

To print in to excel sheet we can use step 1 or step 2.But in both instances, chek the jasper report.jar version and add the poi jar version compatible. eg: poi-2.0-final-20040126.jar

step 1

JRXlsExporter exporter = new JRXlsExporter();
            exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
            exporter.setParameter(JRExporterParameter.OUTPUT_FILE_NAME, "C:/BasicReport.xls" );

            exporter.exportReport();

step 2

ByteArrayOutputStream outputByteArray = new ByteArrayOutputStream();
            OutputStream outputfile= new FileOutputStream(new File("C:/BasicReport.xls"));

             JRXlsExporter exporterXLS = new JRXlsExporter();
             exporterXLS.setParameter(JRXlsExporterParameter.JASPER_PRINT, jasperPrint);
             exporterXLS.setParameter(JRXlsExporterParameter.OUTPUT_STREAM, outputByteArray);
             exporterXLS.setParameter(JRXlsExporterParameter.IS_ONE_PAGE_PER_SHEET, Boolean.FALSE);
             exporterXLS.setParameter(JRXlsExporterParameter.IS_DETECT_CELL_TYPE, Boolean.TRUE);
             exporterXLS.setParameter(JRXlsExporterParameter.IS_WHITE_PAGE_BACKGROUND, Boolean.FALSE);
             exporterXLS.setParameter(JRXlsExporterParameter.IS_REMOVE_EMPTY_SPACE_BETWEEN_ROWS, Boolean.TRUE);
             exporterXLS.exportReport();
             outputfile.write(outputByteArray.toByteArray());