Mark,
I have tested this out on 5.0, 5.01, 5.5, 6.0.26 and have not encountered
any problem with the page being displayed, what release of IE are you using?
I have attached a small servlet which will render a page straight to the
browser, at least under those listed above.
Hope it helps.
Regards,
Todd G. Nist
<------- Servlet -------->
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.ByteArrayOutputStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import org.apache.avalon.framework.logger.ConsoleLogger;
import org.apache.avalon.framework.logger.Logger;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;
import org.apache.fop.apps.Driver;
import org.apache.fop.apps.Version;
import org.apache.fop.apps.XSLTInputHandler;
import org.apache.fop.apps.FOPException;
import org.apache.fop.messaging.MessageHandler;
import javax.xml.transform.*;
import javax.xml.transform.stream.*;
public class GeneratePDF extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse
response)
throws ServletException, IOException {
doPost(request, response);
}
public void doPost(HttpServletRequest request, HttpServletResponse
response)
throws ServletException, IOException {
String xslPath = "./";
String xmlFile = pdfxml.xml; // your file name here
String xslFile = pdfxsl.xsl; // your file name here
Logger log = null;
try {
// Initialize Logger
log = new ConsoleLogger(ConsoleLogger.LEVEL_WARN);
MessageHandler.setScreenLogger(log);
// Initialier Input Handler
XSLTInputHandler input = new XSLTInputHandler(new File(xmlFile),
new File(xslFile));
ByteArrayOutputStream out = new ByteArrayOutputStream();
Driver driver = new Driver();
driver.setLogger(log);
driver.setRenderer(Driver.RENDER_PDF);
driver.setOutputStream(out);
driver.render(input.getParser(), input.getInputSource());
// write the result out to the page
byte[] content = out.toByteArray();
response.setContentType( "application/pdf" );
//------------------------------------------------------------
// Content-disposition header - don't open in browser and
// set the "Save As..." filename.
// *There is reportedly a bug in IE4.0 which ignores this...
//------------------------------------------------------------
//response.setHeader("Content-disposition", "attachment;
filename=" +
"example.pdf");
response.setContentLength(content.length);
response.getOutputStream().write(content);
response.getOutputStream().flush();
}
catch (IOException e)
{
log.error("IOException caught while creating pdf using "+
xslPath, e);
throw new ServletException("IOException caught while creating
pdf ", e);
}
catch (IllegalArgumentException e)
{
log.error("IllegalArgumentException caught while creating pdf
using "+ xslPath, e);
throw new ServletException("IllegalArgumentException caught
while creating pdf ", e);
}
catch (FOPException e)
{
log.error("FOPException caught while creating pdf using "+
xslPath, e);
throw new ServletException("FOPException caught while creating
pdf ", e);
}
}
}
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, August 20, 2002 10:14 AM
To: [EMAIL PROTECTED]
Subject: RE: Help - xml to pdf using struts
Yes. The problem with IE is that it doesn't show the file and you get a
blank page. This note at the fop site says:
"Some browsers have problems handling the PDF result sent back to the
browser. IE is particularly bad and different versions behave differently.
Having a ".pdf" on the end of the url may help. "
http://xml.apache.org/fop/embedding.html
-----Original Message-----
From: Todd G. Nist [mailto:[EMAIL PROTECTED]]
Sent: Friday, August 16, 2002 1:34 PM
To: 'Struts Users Mailing List'
Subject: RE: Help - xml to pdf using struts
RE: Help - xml to pdf using strutsMike,
Did you set the content type to "application/pdf" and then return "null"
from you action once you successfully completed the transformation? That is
what we do and it appears to work fine.
Regards,
Todd G. Nist
try {
// FO/Transformation code here....
ByteArrayOutputStream pdf = new ByteArrayOutputStream();
// show PDF
response.setContentType("application/pdf");
byte[] content = pdf.toByteArray();
response.setContentLength(content.length);
response.getOutputStream().write(content);
response.getOutputStream().flush();
}
// return null from action
return null;
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Friday, August 16, 2002 11:43 AM
To: [EMAIL PROTECTED]
Subject: RE: Help - xml to pdf using struts
Hi Lisa,
That looks similar to my solution. The biggest problem I had was with
getting IE to display the PDF inline without a PDF in the URL Using a
Struts action, I wasn't able to get the URL to change at the appropriate
time with a redirect. In the end, I sent the pdf as an attachment which
gives the open/save prompt. Were you able to get around this problem?
Thanks, Mike
-----Original Message-----
From: Lisa van Gelder [mailto:[EMAIL PROTECTED]]
Sent: Thursday, August 15, 2002 4:52 AM
To: 'Struts Users Mailing List'
Subject: RE: Help - xml to pdf using struts
Here is the bit of my action that deals with the pdf creation.
First I transform xml to fo using xsl (and Xalan). The result is written
to an InputSteam, which is passed into FOP. The result from FOP is then
written out the client and the content type is set to "application/pdf".
HTH
Lisa
-----Original Message-----
From: Zimmer, Robin (SSABSA) [mailto:[EMAIL PROTECTED]]
Sent: 15 August 2002 09:37
To: 'Struts Users Mailing List'
Subject: RE: Help - xml to pdf using struts
Lisa, That sounds can you provide an example action please.
-----Original Message-----
From: Lisa van Gelder [mailto:[EMAIL PROTECTED]]
Sent: Thursday, 15 August 2002 6:01 PM
To: 'Struts Users Mailing List'
Subject: RE: Help - xml to pdf using struts
I do the xml -> fo -> pdf transformation in an Action, and then stream
the
result straight back to the browser.
Lisa
-----Original Message-----
From: Zimmer, Robin (SSABSA) [mailto:[EMAIL PROTECTED]]
Sent: 15 August 2002 09:28
To: 'Struts Users Mailing List'
Subject: RE: Help - xml to pdf using struts
Thanks for getting back to me. I appreciate that I have to have xsl:fo
to
transform the xml, but how best to render this using jsp??? Or do I need
a
servlet???
-----Original Message-----
From: David WIlkinson [mailto:[EMAIL PROTECTED]]
Sent: Thursday, 15 August 2002 5:57 PM
To: 'Struts Users Mailing List'
Subject: RE: Help - xml to pdf using struts
We had to address a similar issue of creating pdf's from xml and found
that it can be done in a simple way using xsl:fo to transform the xml.
Check out http://xml.apache.org/fop/index.html for more info.
-----Original Message-----
From: Zimmer, Robin (SSABSA) [mailto:[EMAIL PROTECTED]]
Sent: 15 August 2002 08:13
To: '[EMAIL PROTECTED]'
Subject: Help - xml to pdf using struts
I am in the last stages of implementating a Struts application. I now
have
to complete the reporting side. This basically consists of displaying
xml
output as HTML or PDF. I have the HTML side covered (I am using jakarta
XTags) but how do I render an xml to fo transformation to pdf by using
struts. I am aware of stxx but as far as I can see you have to override
the
actionservlet etc and this seems an overhead for what is a small part of
the
app. Can anyone please give some suggestions.
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