On 8/31/2012 11:13 AM, John Reiter wrote:
I'm using JBoss AS 7.1.1.Final, the included RESTEasy distribution
(2.3.2.Final), and Jackson 1.9.9 to handle serialization/deserialization
to/from JSON. I can serialize/deserialize JSON using
@Produces/@Consumes along with Jackson annotations in my REST resources
and this all works fine. The problem I'm having is I'd like to start
customizing some Jackson behavior and register custom
serializers/deserializers and can't quite get this working. This should
involve getting access to the RESTEasy Jackson ObjectMapper and running
my customization code on that mapper.
After seeing something similar in a forum post, I tried this:
@Provider
@Consumes({ MediaType.APPLICATION_JSON, text/json })
@Produces({ MediaType.APPLICATION_JSON, text/json })
public class JacksonCustomizations extends ResteasyJacksonProvider {
private static final Logger log = Logger.getLogger(
JacksonCustomizations.class );
public JacksonCustomizations()
{
super();
log.info http://log.info( Beginning Jackson configuration... );
final ObjectMapper mapper = _mapperConfig.getConfiguredMapper();
final Version version = new Version( 0, 0, 1, null );
final SimpleModule module = new SimpleModule( Test Module,
version );
//Add custom serializers
module.addSerializer( LocalDate.class, new
JacksonLocalDate.Serializer() );
//Add custom deserializers
module.addDeserializer( LocalDate.class, new
JacksonLocalDate.Deserializer() );
mapper.registerModule( module );
log.info http://log.info( OK: Finished configuring Jackson );
}
}
But this code doesn't seem to ever run. I receive JSON back from my
application as normal, but I don't see any log entries and my custom
serializers/deserializers don't seem to be registered (@JsonSerialize(
using = JacksonLocalDate.Serializer.class seems to have no effect).
Is this a valid approach to solving this problem or should I be going
about it in an entirely different way? If this is valid, does anyone
have any suggestions about what might be wrong with my implementation?
If not, has anyone had success with a different approach?
Hmm, your provider should take precedence. How are you registering your
provider? All ResteasyJacksonProvider does really is extend the Jackson
one and adds produces and consumes support for application/*+json
--
Bill Burke
JBoss, a division of Red Hat
http://bill.burkecentral.com
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