/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2009 Jaspersoft Corporation. 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 <http://www.gnu.org/licenses/>.
*/
package net.sf.jasperreports.j2ee.servlets;
import java.io.IOException;
import java.io.OutputStream;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRExporterParameter;
import net.sf.jasperreports.engine.export.JRPdfExporter;
import net.sf.jasperreports.engine.util.FileBufferedOutputStream;
/**
* @author Teodor Danciu (teodord@users.sourceforge.net)
* @version $Id: PdfServlet.java 3034 2009-08-27 11:58:04Z teodord $
*/
public class PdfServlet extends BaseHttpServlet
{
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
/**
*
*/
public void service(
HttpServletRequest request,
HttpServletResponse response
) throws IOException, ServletException
{
List jasperPrintList = BaseHttpServlet.getJasperPrintList(request);
if (jasperPrintList == null)
{
throw new ServletException("No JasperPrint documents found on the HTTP session.");
}
Boolean isBuffered = Boolean.valueOf(request.getParameter(BaseHttpServlet.BUFFERED_OUTPUT_REQUEST_PARAMETER));
if (isBuffered.booleanValue())
{
FileBufferedOutputStream fbos = new FileBufferedOutputStream();
JRPdfExporter exporter = new JRPdfExporter();
exporter.setParameter(JRExporterParameter.JASPER_PRINT_LIST, jasperPrintList);
exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, fbos);
try
{
exporter.exportReport();
fbos.close();
if (fbos.size() > 0)
{
response.setContentType("application/pdf");
response.setContentLength(fbos.size());
ServletOutputStream ouputStream = response.getOutputStream();
try
{
fbos.writeData(ouputStream);
fbos.dispose();
ouputStream.flush();
}
finally
{
if (ouputStream != null)
{
try
{
ouputStream.close();
}
catch (IOException ex)
{
}
}
}
}
}
catch (JRException e)
{
throw new ServletException(e);
}
finally
{
fbos.close();
fbos.dispose();
}
// else
// {
// response.setContentType("text/html");
// PrintWriter out = response.getWriter();
// out.println("<html>");
// out.println("<body bgcolor=\"white\">");
// out.println("<span class=\"bold\">Empty response.</span>");
// out.println("</body>");
// out.println("</html>");
// }
}
else
{
response.setContentType("application/pdf");
JRPdfExporter exporter = new JRPdfExporter();
exporter.setParameter(JRExporterParameter.JASPER_PRINT_LIST, jasperPrintList);
OutputStream ouputStream = response.getOutputStream();
exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, ouputStream);
try
{
exporter.exportReport();
}
catch (JRException e)
{
throw new ServletException(e);
}
finally
{
if (ouputStream != null)
{
try
{
ouputStream.close();
}
catch (IOException ex)
{
}
}
}
}
}
}