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Date: Fri, 17 Jan 2014 14:55:10 +0530
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Subject: Re: Camel main class in osgi bundle
From: Muhzin <rmuhzin@gmail.com>
To: users@camel.apache.org
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Thanks for the reply. I'm trying to convert my camel configuration from
java DSL to blueprint and come across some hurdles.

My route config looks something like
SimpleRegistry registry = new SimpleRegistry();
registry.put("sqsClient", sqsClient);

CamelContext context = new DefaultCamelContext(registry);
context.addRoutes(new RouteBuilder() {
    @Override
    public void configure() throws Exception {
        from("aws-sqs://
sqs.ap-southeast-2.amazonaws.com/122343553/profile-data?amazonSQSClient=#sqsClient
")
                .process(new Processor() {
                    @Override
                    public void process(Exchange exchange) throws Exception
{

                        String rawMessage =
exchange.getIn().getBody(String.class);
                        Gson gson = new GsonBuilder().create();
                        Message message = gson.fromJson(rawMessage,
Message.class);
                        DynamoDBStorage dynamoStorage = new
DynamoDBStorage(dynamoDBClient);

                        if (message.getAction().equals("createProfile")) {
                            User user =
dynamoStorage.getUserDetails(message.getId());
                            MysqlStorage mysqlStorage = new MysqlStorage();
                            mysqlStorage.insertNewUser(user);
                        } else {
                            System.out.println(message.getAction());
                        }
                    }
                });
    }
});


When converting it into blueprint,
#) How can I create a custom processor like above?
#) How can I get my objects like sqsClient to blueprint?
#) How can I make objects like 'gson'  shown above in my route?
#) How can I make the routing like if else shown above?


Is there some detailed tutorial on how to write camel-blueprint? The one i
could find was http://camel.apache.org/using-osgi-blueprint-with-camel.htmlwhich
only cover the basics.


On Fri, Jan 17, 2014 at 1:10 PM, Claus Ibsen <claus.ibsen@gmail.com> wrote:

> Hi
>
> Using a spring or blueprint xml file to bootstrap Camel is often much
> easier, as it does all the OSGi lifecycle and other pieces you
> otherwise must do yourself.
>
> If you dont want to do that, then you need to use an osgi activator to
> call some code, that creates a OsgiCamelContext and setup a bunch of
> stuff to make it run in OSGi. And as well stop and cleanup these
> services again when the bundle stops.
>
> Though much easier to just have a little
> OSGI-INF/blueprint/somenamehere.xml blueprint xml file that embeds a
> <camelContext> and you have Camel running.
>
>
>
> On Fri, Jan 17, 2014 at 4:48 AM, Muhzin <rmuhzin@gmail.com> wrote:
> > Hi all,
> > I am trying to run camel application in karaf. I new to programming for
> > osgi. How can I make my camel routes run in it? Can i put it in a normal
> > main() class and run it?
> >
> > --
> > BR
> > Muhsin
>
>
>
> --
> 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
> Make your Camel applications look hawt, try: http://hawt.io
>


-- 
BR
Muhsin

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