Export Data using jasper reports

package beans;

import java.util.HashMap;
import java.util.List;

import javax.activation.MimetypesFileTypeMap;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;

import net.sf.jasperreports.engine.JRExporterParameter;
import net.sf.jasperreports.engine.JasperCompileManager;
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.export.JRCsvExporter;
import net.sf.jasperreports.engine.export.JRPdfExporter;
import net.sf.jasperreports.engine.export.ooxml.JRDocxExporter;
import net.sf.jasperreports.engine.export.ooxml.JRXlsxExporter;

public class ExportData {

public void exportAllFileData(String path,List list,String filetype,String filename,HttpServletResponse response)
{
	System.out.print("File Type report: "+filetype);
	System.out.println("Main Export Method..."+filename);
	System.out.print("File Type report: "+filetype);
	JasperPrint jasperPrint;		
	ServletOutputStream outputStream = null;
	try
	{
		JRBeanCollectionDataSource result=new JRBeanCollectionDataSource(list);
		JasperReport jasperReport = JasperCompileManager.compileReport(path);
		jasperPrint = JasperFillManager.fillReport(jasperReport, new HashMap<String,Object>(), result);
		System.out.print("-------------------- ");
		String mimeType = new MimetypesFileTypeMap().getContentType( filename+".pdf" );
		System.out.println("mimetypee : "+mimeType);
		
		if(filetype.equals("PDF"))
		{
			response.setHeader("Content-Disposition", "attachment;filename"+filename+".pdf");
			response.setContentType("application/octet-stream");
			response.setContentLength(4096);
			outputStream = response.getOutputStream();
			JRPdfExporter exporter = new JRPdfExporter();
			exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
			exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, outputStream);
			exporter.exportReport();
		}
		if(filetype.equals("EXCEL"))
		{
			System.out.print("In Excel report: ");
			response.setHeader("Content-Disposition", "attachment;filename"+filename+".xlsx");
			response.setContentType("application/octet-stream");
			response.setContentLength(4096);
			outputStream = response.getOutputStream();
			JRXlsxExporter exporter = new JRXlsxExporter();
			exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
			exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, outputStream);
			exporter.setParameter(JRExporterParameter.OUTPUT_FILE_NAME, filename+".xlsx");
			exporter.exportReport();
		}
		if(filetype.equals("DOC"))
		{
			response.setHeader("Content-Disposition", "attachment;filename"+filename+".docx");
			response.setContentType("application/octet-stream");
			response.setContentLength(4096);
			outputStream = response.getOutputStream();
			JRDocxExporter exporter = new JRDocxExporter();
			exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
			exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, outputStream);
			exporter.exportReport();
		}
		if(filetype.equals("CSV"))
		{
			response.setHeader("Content-Disposition", "attachment;filename"+filename+".csv");
			response.setContentType("application/octet-stream");
			response.setContentLength(4096);
			outputStream = response.getOutputStream();
			JRCsvExporter exporter = new JRCsvExporter();
			exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
			exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, outputStream);
			exporter.exportReport();
		}
		
	}
	catch(Exception e)
	{
		e.printStackTrace();
	}
}

}