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How to serialize Java primitives using Jersey REST

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灰色年华
灰色年华 2020-11-29 11:47

In my application I use Jersey REST to serialize complex objects. This works quite fine. But there are a few method which simply return an int or boolean.

Jersey can

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  • 既然无缘
    既然无缘 (楼主)
    2020-11-29 12:14

    Have a look at Genson.It helped me a lot with a similar problem.With Genson you could use generics like int,boolean, lists and so on...Here is a quick example.

    @GET
@Produces(MediaType.APPLICATION_JSON)
public Response getMagicList() {
    List objList = new ArrayList<>();
    stringList.add("Random String");
    stringList.add(121); //int
    stringList.add(1.22); //double
    stringList.add(false); //bolean

    return Response.status(Status.OK).entity(objList).build();
}



    This will produce a valid JSON witch can be retrieved very simple like this:
    


        Client client = Client.create();
    WebResource webResource = client.resource("...path to resource...");
    List objList = webResource.accept(MediaType.APPLICATION_JSON).get(ArrayList.class);
    for (Object obj : objList) {
        System.out.println(obj.getClass());
    }

    


    You will see that Genson will help you decode the JSON on the client side also and output the correct class for each.
    
    
    
             
    
                                                        
    
            
            
    
              
                
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