Thanks for the lightning fast response. I appreciate your help.
On Wed, Oct 3, 2012 at 10:54 AM, cowwoc <cowwoc_at_bbs.darktech.org> wrote:
>
> This worked for me:
>
> /**
> * @author Gili Tzabari
> */
> @Provider
> public class JsonProcessingExceptionMapper implements ExceptionMapper<**
> JsonProcessingException>
> {
> private final com.google.inject.Provider<**HttpRequestContext>
> requestContext;
>
> /**
> * Creates a new JsonProcessingExceptionMapper.
> * <p/>
> * @param requestContext the entity associated with the request
> */
> @Inject
> public JsonProcessingExceptionMapper(**com.google.inject.Provider<**HttpRequestContext>
> requestContext)
> {
> this.requestContext = requestContext;
> }
>
> @Override
> public Response toResponse(**JsonProcessingException e)
> {
> HttpRequestContext provider = requestContext.get();
> String entity = provider.getEntity(String.**class);
> StringBuilder message;
> Throwable cause = e.getCause();
> if (cause instanceof EOFException)
> message = new StringBuilder("Entity may not be empty");
> else if (cause != null)
> message = new StringBuilder(cause.**getMessage());
> else
> {
> message = new StringBuilder(e.getClass().**getName()
> + ": " + e.getMessage());
> if (e.getLocation() != null)
> {
> int sourceStart = e.getMessage().indexOf("**Source:");
> int sourceEnd = e.getMessage().indexOf("line:"**,
> sourceStart);
> message.delete(sourceStart, sourceEnd);
> }
> message.append("\nEntity:\n\""**).append(entity).append("\"");
> }
> return Response.status(Status.BAD_**REQUEST).entity(message.**
> toString()).type("text/plain")**.build();
> }
> }
>
> You'll need to do the same for JsonMappingException.
>
> Gili
>
>
> On 03/10/2012 12:52 PM, jeff.sabin_at_gmail.com wrote:
>
>> I have a resource that is using the Jackson deserialization to convert
>> JSON to an object like this:
>>
>> @POST
>> @Path ("/foobar")
>> public Response add(Foo aFoo)
>> {
>> ....
>> }
>>
>> If the JSON is not well formatted, I would like to catch and handle the
>> exception that is thrown by Jackson. Is there a way to do this? I have
>> tried using @Provider to catch Exception or Throwable or even the
>> specific Jackson exceptions, but the provider is never called.
>>
>> Is there a way to do this, or do I have to deserialize by hand with in
>> the resource method?
>>
>> Thanks for your help
>>
>
>