Am Mittwoch, den 13.02.2008, 11:58 +0100 schrieb Yesica Diaz:
> Hi,
>
> The HTTP bundle can be configured by both CM or System properties. I've
> a problem when I configure HTTP bundle by CM. This simple example (see
> below) shows when I get the HTTP bundle properties but I get an
> exception because the properties are null.
Yes this is expected (and defined such) for newly created Configuration
objects. You must first call Configuration.update(Dictionary) to set
some configuration data.
> I use Knopflerfish framework.
> The PID Factory is correct? On other hand, if I don`t use CM, where the
> system properties are modified? Does props.xargs file contain these
> system properties? Thanks you.
These questions are Knopflerfish specific and should probably be asked
there .. (and yes, I don't know ;-) )
Some more comments interspersed below :
>
> ---
> public void start(BundleContext context) throws Exception {
> System.out.println("example starting");
> ServiceReference configAdminReference =
> context.getServiceReference(ConfigurationAdmin.class.getName());
> ConfigurationAdmin confAdmin = (ConfigurationAdmin)
> context.getService(configAdminReference);
> if (confAdmin == null)
> System.out.println("Configuration Admin Service not found");
> else {
> System.out.println("Configuration Admin Servide found");
> Configuration config =
> confAdmin.createFactoryConfiguration("org.knopflerfish.bundle.http.factory.HttpServer");
// config is new here, so create some data
Dictionary props = new Hashtable();
props.put("something", "some-value"); // etc. as
appropriate
config.update(props); // store the new configuration
// this last call also updates any ManagedServiceFactory
with the new config
// this is not neeed, it just would reload the config
data from
// the persistent store if such configuration would be
existing
> config.update();
> System.out.println(config.getPid());
> System.out.println(config.getFactoryPid());
> System.out.println(config.getBundleLocation());
// should now (after updating with props) not be null any
more
> Dictionary table = (Dictionary)config.getProperties();
// this stores the same data back, why do you do this ?
> config.update(table)
> if (table == null)
> System.out.println("properties es null");
>
> System.out.println(config.getProperties().get("port.http"));
> }
> }
> ---
>
> Best regards,
>
Regards
Felix
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