JasperReportHelper.java

/*
    Author: Imam Hidayat (mokhamad.imam[at]students.paramadina.ac.id)
    Universitas Paramadina
    
    Source: https://gist.github.com/imamhidayat92/7728574
    
    This helper class can be used to simplify report generation procedure using Jasper Report 5.5.0.
*/

import java.sql.*;
import java.util.HashMap;
import javax.swing.JFrame;

import javax.swing.JOptionPane;

import net.sf.jasperreports.engine.JRResultSetDataSource;
import net.sf.jasperreports.engine.JasperCompileManager;
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.swing.JRViewer;

public class JasperReportHelper {
    public static void exportReportToPdfFile(ResultSet resultSet, String templateLocation, String exportedFileLocation) {
        try {
            JasperReport reportTemplate = JasperCompileManager.compileReport(templateLocation);
    
            JRResultSetDataSource reportEntries = new JRResultSetDataSource(resultSet);
              
            JasperPrint print = JasperFillManager.fillReport(reportTemplate, null, reportEntries);
            JasperExportManager.exportReportToPdfFile(print, exportedFileLocation);
        }
        catch (Exception e) {
            JOptionPane.showMessageDialog(null, e.getMessage(), "Error", JOptionPane.ERROR_MESSAGE);
        }
    }
    
    public static void showReport(ResultSet resultSet, String templateLocation, String reportWindowTitle) {
        try {
            JasperReport reportTemplate = JasperCompileManager.compileReport(templateLocation);
    
            JRResultSetDataSource reportEntries = new JRResultSetDataSource(resultSet);
              
            JasperPrint print = JasperFillManager.fillReport(reportTemplate, null, reportEntries);
            
            JFrame frame = new JFrame(reportWindowTitle);
            frame.getContentPane().add(new JRViewer(print));
            frame.pack();
            frame.setVisible(true);
        }
        catch (Exception e) {
            JOptionPane.showMessageDialog(null, e.getMessage(), "Error", JOptionPane.ERROR_MESSAGE);
        }
    }
    
    public static void showReport(ResultSet resultSet, String templateLocation, HashMap map, String reportWindowTitle) {
        try {
            JasperReport reportTemplate = JasperCompileManager.compileReport(templateLocation);
    
            JRResultSetDataSource reportEntries = new JRResultSetDataSource(resultSet);
              
            JasperPrint print = JasperFillManager.fillReport(reportTemplate, map, reportEntries);
            
            JFrame frame = new JFrame(reportWindowTitle);
            frame.getContentPane().add(new JRViewer(print));
            frame.pack();
            frame.setVisible(true);
        }
        catch (Exception e) {
            JOptionPane.showMessageDialog(null, e.getMessage(), "Error", JOptionPane.ERROR_MESSAGE);
        }
    }
}