/**
* Title: SilentPrintServlet
* Description: Explain to print silently via Servlet/Browser
* @author Heiner Jostkleigrewe, Heiner.Jostkleigrewe@gt-net.de
* @since iText paolo 0.89a
*/
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import com.lowagie.text.*;
import com.lowagie.text.pdf.*;
public class SilentPrintServlet extends HttpServlet
{
public static final int ACT_INIT = 0;
public static final int ACT_REPORT_1 = 1;
public SilentPrintServlet()
{
}
public void doGet(HttpServletRequest requ, HttpServletResponse resp) throws ServletException, IOException
{
doWork(requ, resp);
}
public void doPost(HttpServletRequest requ, HttpServletResponse resp) throws ServletException, IOException
{
doWork(requ, resp);
}
public void doWork(HttpServletRequest requ, HttpServletResponse resp) throws ServletException, IOException
{
ServletOutputStream out = resp.getOutputStream();
int action = ACT_INIT;
int sub = ACT_INIT;
try
{
action = Integer.parseInt(requ.getParameter("action"));
sub = Integer.parseInt(requ.getParameter("sub"));
}
catch (Exception e)
{}
switch (action)
{
case ACT_INIT:
{
htmlHeader(out, requ, resp);
formular(out, requ, resp, sub);
break;
}
case ACT_REPORT_1:
{
Document document = new Document(PageSize.A4, 10, 10, 40, 10);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try
{
PdfWriter writer = PdfWriter.getInstance(document, baos);
document.open();
if (requ.getParameter("preview") == null)
writer.addJavaScript("this.print(false);",false);
document.add(new Chunk("Silent Auto Print"));
document.close();
}
catch (DocumentException e)
{
e.printStackTrace();
}
resp.setContentType("application/pdf");
resp.setContentLength(baos.size());
baos.writeTo(out);
out.flush();
break;
}
}
}
private void htmlHeader(ServletOutputStream out,
HttpServletRequest requ,
HttpServletResponse resp
)
throws IOException
{
resp.setContentType("text/html; charset=ISO-8859-1");
resp.setHeader("Cache-Control", "no-cache");
out.println("");
out.println("");
out.println("");
out.println("");
out.println("");
out.println("");
out.println("");
out.println("");
}
private void formular(ServletOutputStream out,
HttpServletRequest requ,
HttpServletResponse resp,
int sub
)
throws IOException
{
out.print("");
if (sub != ACT_INIT)
{
if (requ.getParameter("preview") != null)
{
out.println("");
}
else
{
out.print("