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From Davanum Srinivas <dava...@gmail.com>
Subject Re: Apache XML Security 1.2 for Java
Date Tue, 11 Jan 2005 13:28:24 GMT
Can you please post your test.xml as well?

thanks,
dims


On Tue, 11 Jan 2005 18:31:18 +0500, Egor Pervuninski <pea@quorus.ru> wrote:
> Hello,
> 
> Recently I tried to upgrade my project to use new Apache XML Security 1.2 for Java
> and found that now the library does c14n much MUCH more slowly than it was with 1.1.
> 
> Here is a simple test:
> 
> import javax.xml.parsers.DocumentBuilder;
> import javax.xml.parsers.DocumentBuilderFactory;
> 
> import org.apache.commons.lang.time.StopWatch;
> import org.apache.xml.security.c14n.Canonicalizer;
> import org.w3c.dom.Document;
> import org.xml.sax.InputSource;
> 
> public class Test {
>   private final static int REPEAT = 1000;
> 
>   private StopWatch timer = new StopWatch();
>   private Canonicalizer canon = Canonicalizer.getInstance(Canonicalizer.ALGO_ID_C14N_OMIT_COMMENTS);
>   private Document document;
> 
>   public Test(String file) throws Exception {
>     DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
>     factory.setNamespaceAware(true);
>     factory.setValidating(false);
>     DocumentBuilder builder = factory.newDocumentBuilder();
>     document = builder.parse(new InputSource(file));
>   }
> 
>   public void runTest() throws Exception {
>     timer.start();
>     for (int i = 0; i < REPEAT; i++) {
>       canon.canonicalizeSubtree(document);
>     }
>     timer.stop();
>     System.out.println("time spent " + String.valueOf(timer.getTime()) + " ms");
>   }
> 
>   public static void main(String[] args) throws Exception {
>     org.apache.xml.security.Init.init();
>     Test test = new Test(args[0]);
>     test.runTest();
>   }
> }
> 
> Just drop commons-lang-2.0.jar, commons-logging.jar, xercesImpl.jar, xml-apis.jar and
 xmlsec.jarto the
> classpath and run java Test File.xml.
> 
> Version 1.1 output: time spent 952 ms
> Version 1.2 output: time spent 29172 ms
> 
> Where is the catch?
> 
> Regards,
> Egor Pervuninski
> egor {dot} pervuninski {at} gmail {dot} com
> 


-- 
Davanum Srinivas - http://webservices.apache.org/~dims/

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