Re: [xep-support] Serialize Generator intput and then calling the standard PDF Target

From: Nikolai Grigoriev (grig@renderx.com)
Date: Wed Apr 21 2004 - 23:13:20 PDT

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    Louis,

    > For reason of collations I would like to be able to store
    > the result of several transformations (<xep:document
    > xmlns:xep="http://www.renderx.com/XEP/xep" ...)
    >
    > But how do I call the standard FOTarget to generate the PDF
    > with this intermediary Source (a SAXSource) ?

    FormatterImpl.createGenerator(FOTarget t) method creates
    a generator object from a FOTarget. It implements SAX
    ContentHandler; you can specify it as a handler to a SAX
    parser that you use to read the intermediate source. Here's how
    it should look like:

    // Create a formatter
    java.util.Properties p = new java.util.Properties();
    p.put("ROOT", "c:/xep/");
    p.put("VALIDATE", "false");
    com.renderx.xep.FormatterImpl formatter =
        new com.renderx.xep.FormatterImpl( p);

    // Make an output destination, and turn it into a generator
    java.io.FileOutputStream fos =
        new java.io.FileOutputStream( "c:/tmp/result.pdf");
    com.renderx.xep.FOTarget target =
        new com.renderx.xep.FOTarget( fos, "pdf");
    org.xml.sax.ContentHandler generator =
        formatter.createGenerator (target);

    // Create an XMLReader, and set the generator as content handler
    org.xml.sax.XMLReader reader =
        org.xml.sax.helpers.XMLReaderFactory.createXMLReader();
    reader.setContentHandler (generator);

    // Read the input source in a normal SAX way
    org.xml.sax.InputSource source =
       new org.xml.sax.InputSource(new java.io.File("c:/tmp/input.xep").toURL());
    reader.parse(source);

    // That's all
    fos.close();

    Regards,
    Nikolai Grigoriev
    RenderX

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