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From: Claus Ibsen <claus.ibsen@gmail.com>
Date: Tue, 30 Jul 2013 11:08:36 +0200
Message-ID: 
 <CAGB5yN=2SwQSaAFgoCz7sp-SbsYDRU0oq60GAWb0CALmQ1ko=A@mail.gmail.com>
Subject: Re: XPath + DOM-reuse
To: "users@camel.apache.org" <users@camel.apache.org>
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Hi

You can convert the body to DOM first

from
.convertBodyTo(Document.class)
choice


Also you can add camel-saxon to the classpath to use saxon as the
xpath engine. Its faster than what comes out of the box in the JDK.


You can use vtd-xml for an xpath language that can work with streamed data =
types
http://camel.apache.org/vtd-xml

On Tue, Jul 30, 2013 at 10:57 AM, Jan Mat=E8rne (jhm) <apache@materne.de> w=
rote:
> I have a route dispatching an exchange according to a XPath evaluation to
> different targets.
>
> Sadly it doesnt perform very well. I think that the DOM is built for ever=
y
> XPath evalutation.
>
> Is it true? Can we configure Camel to reuse the DOM?
>
>
>
> I think in this Route Camel builds the same DOM 4 times.
>
>
>
> public class MyRouter extends RouteBuilder {
>
>     @Override
>
>     public void configure() throws Exception {
>
>         Namespaces v1 =3D new Namespaces("v1", "...");
>
>         Namespaces v2 =3D new Namespaces("v2", "...");
>
>
>
>         from("direct:dispatcher")
>
>             .id("dispatcher")
>
>             .choice()
>
>                 .when().xpath("/v1:TypeA",
> v1).to("bean:beanA?method=3Dexecute")
>
>                 .when().xpath("/v1:TypeB",
> v1).to("bean:beanB?method=3Dexecute")
>
>                 .when().xpath("/v2:TypeA",
> v2).to("bean:beanC?method=3Dexecute")
>
>                 .when().xpath("/v2:TypeB",
> v2).to("bean:beanD?method=3Dexecute")
>
>                 // many more when().xpath().to() statements
>
>             .end();
>
>     }
>
> }
>
>
>
>
>
> Jan
>


--=20
Claus Ibsen
-----------------
Red Hat, Inc.
Email: cibsen@redhat.com
Twitter: davsclaus
Blog: http://davsclaus.com
Author of Camel in Action: http://www.manning.com/ibsen