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POIs there any way improve the performance of FlyingSaucer?
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  1. POIs there any way improve the performance of FlyingSaucer?
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    copied!<p>I've followed <a href="http://today.java.net/pub/a/today/2007/06/26/generating-pdfs-with-flying-saucer-and-itext.html" rel="nofollow">this article</a> to use FlyingSaucer to convert XHTML to PDF and it's brilliant but has one major downfall... it's ridiculously slow!</p> <p>I'm finding that it takes between 1 and 2 minutes to render a PDF from an XHTML, regardless of how simple that page is.</p> <p>Basic code:</p> <pre><code>import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStream; import org.xhtmlrenderer.pdf.ITextRenderer; import com.lowagie.text.DocumentException; public class FirstDoc { public static void main(String[] args) throws IOException, DocumentException { String inputFile = "firstdoc.xhtml"; String url = new File(inputFile).toURI().toURL().toString(); String outputFile = "firstdoc.pdf"; OutputStream os = new FileOutputStream(outputFile); ITextRenderer renderer = new ITextRenderer(); renderer.setDocument(url); renderer.layout(); renderer.createPDF(os); os.close(); } } </code></pre> <p>Sample XHTML:</p> <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"&gt; &lt;html xmlns="http://www.w3.org/1999/xhtml"&gt; &lt;head&gt; &lt;title&gt;My First Document&lt;/title&gt; &lt;style type="text/css"&gt; b { color: green; } &lt;/style&gt; &lt;/head&gt; &lt;body&gt; &lt;p&gt; &lt;b&gt;Greetings Earthlings!&lt;/b&gt; We've come for your Java. &lt;/p&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>Does anyone know how to improve the performance of FlyingSaucer?</p> <p>Failing that, is anyone able to recommend an alternative Java library which is effective at rendering a PDF from a URL to an (X)HTML document with external CSS and images generated from URLs?</p>
 

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