Thank you, that worked perfectly.
Paul Sandoz wrote:
>
> Hi Steven,
>
> This is not a stupid question. It is not so obvious when Java generics
> is involved.
>
> The main problem is one of type erasure. When you instantiate a
> instance of List<Token> the generic type information is lost, and the
> types List<Token> and List are not equal. So when you tell the Jersey
> client API to return an instance of List using List.class there is not
> enough information to declare that what you really want is an instance
> of List<Token>.
>
> There are two ways you can do this (if using Jersey 1.0.1):
>
> 1) Using arrays:
>
> Client c = ...
> Token[] ts = c.resource(...).path(...).get(Token[].class);
>
> 2) Using the the class com.sun.jersey.api.client.GenericType to ensure
> that
> generic type information is retained:
>
> List<Token>[] ts = c.resource(...).path(...).get(new
> GenericType<List<Token>>() {});
>
> Hope this helps,
> Paul.
>
>
>
> On Feb 10, 2009, at 4:42 AM, JavaGeek_Boston wrote:
>
>>
>> Hello All,
>> This is probably a stupid question, but how do I create services
>> that return
>> lists? I've created a web service
>> @GET
>> @Path("tokens")
>> public List<Token> foo(){
>> //...return an ArrayList<Token>.
>> }
>> It seems to work great from my browser. How can I parse it?
>>
>> com.sun.jersey.api.client.ClientHandlerException: A message body
>> reader for
>> Java type, class java.util.List, and MIME media type, application/
>> xml, was
>> not found
>>
>> I'm attempting to parse it with the following command:
>> (new Client()).resource(SERVER_URL).path(MY_PATH).get(List.class);
>>
>> (new Client()).resource(SERVER_URL).path(MY_PATH).get(String.class);
>> works,
>> returning the expected XML, ruling out a path issue.
>>
>> Any help is greatly appreciated.
>>
>> Thanks in Advance,
>> Steven
>> Harvard Children's Hospital Informatics Program
>> --
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>>
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