Re: setting up apache FOP

Tue, 21 Mar 2006 11:47:21 -0800

Is there a functionality difference between the two branches?  I got the impression from apache's documentation that the .90 distro is considered "unstable".  On top of that all the examples I could find were for .20 so that's what I've been trying to use.  If .90 is significantly better (ie easier) I'll switch.  

Btw I have some further information on the specific problem I'm encountering.  What I've got is a *.wo file that contains fo code.  I know that this code is valid because I can run fop from the command line and get a perfect PDF file just like I want.  I setup the *.java file to extend a FO2PDFSerializer.java class, which extends the WOComponent class.  The FO2PDFSerializer class overides the appendToResponse method with the following:

public void appendToResponse(WOResponse response, WOContext context) {
        super.appendToResponse(response, context);

        

        Document document = response.contentAsDOMDocument();
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        Driver driver = new Driver();
        //Logger log = Hierarchy.getDefaultHierarchy().getLoggerFor("fop");

        

        driver.setRenderer(Driver.RENDER_PDF);
        driver.setOutputStream(out);
        //driver.setLogger(log);

        

        try {
            driver.render(document);
        } catch (Exception ex) {
            NSLog.err.appendln("PDF: render: " + ex);
        }

        

        response.setContent(new NSData(out.toByteArray()));
        response.setHeader("application/pdf", "Content-Type");

        

        

    }
I basically took this function right out of an example, but I did comment out the lines that instantiate the logger because those classes are no longer part of the project.  At one point I was debugging and commented out the setContent line and changed the setHeader to "text/xml" and I got a text file that contained the correct xml from the .wo file.


The links were great,  thanks very much.

Zac
On Mar 21, 2006, at 4:40 AM, Zak Burke wrote:

Zac Konopa wrote on 3/20/06 7:01 PM:
Does anyone know of any online resource where they walk you through the installation and use of the FOP module, preferably in a webobjects environment?  Failing that any suggestions?

The following post includes sample code for using WO with with a pre-built binary of Apache FOP 0.90 (there are significant differences between the 0.20.x and 0.90.branches):


I found the following reference, by the guy who wrote the O'Reilly book, very helpful. Start with the "Gentle Introduction" and "Basic FO page" sections.


zak.


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