ListOfJAXBBeanTest.java

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package com.sun.jersey.impl.json;

import java.util.Arrays;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;

import javax.ws.rs.Consumes;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.GenericEntity;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.ext.ContextResolver;
import javax.ws.rs.ext.Provider;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;

import com.sun.jersey.api.client.GenericType;
import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.api.client.config.ClientConfig;
import com.sun.jersey.api.client.config.DefaultClientConfig;
import com.sun.jersey.api.container.filter.LoggingFilter;
import com.sun.jersey.api.core.DefaultResourceConfig;
import com.sun.jersey.api.core.ResourceConfig;
import com.sun.jersey.api.json.JSONConfiguration;
import com.sun.jersey.api.json.JSONJAXBContext;
import com.sun.jersey.impl.AbstractResourceTester;

/**
 *
 * @author Jakub Podlesak (jakub.podlesak at oracle.com)
 */
public class ListOfJAXBBeanTest extends AbstractResourceTester {
    public ListOfJAXBBeanTest(String testName) {
        super(testName);
    }

    private static boolean unwrappingOn = true;

    @Provider
    public static class JAXBContextResolver implements ContextResolver<JAXBContext> {
        private JAXBContext unwrappingContext;
        private JAXBContext wrappingContext;
        private final Class[] cTypes = {Dog.class};
        private final Set<Class> types;
        public JAXBContextResolver() {
            try {
                this.types = new HashSet<Class>(Arrays.asList(cTypes));
                this.unwrappingContext = new JSONJAXBContext(JSONConfiguration.natural().rootUnwrapping(true).build(), cTypes);
                this.wrappingContext = new JSONJAXBContext(JSONConfiguration.natural().rootUnwrapping(false).build(), cTypes);
            } catch (JAXBException ex) {
                throw new RuntimeException(ex);
            }
        }

        @Override
        public JAXBContext getContext(Class<?> c) {
            JAXBContext myContext = unwrappingOn ? unwrappingContext : wrappingContext;
            return types.contains(c) ? myContext : null;
        }
    }

    @Path("/")
    public static class DogsResource {
        @POST @Consumes("application/json") @Produces("application/json")
        public Dog[] get(Dog[] b) {
            return b;
        }
    }


    public void testDogsResourceUnwrappingOn() throws Exception {
        unwrappingOn = true;
        rawTestDogsResource();
    }

    public void testDogsResourceUnwrappingOff() throws Exception {
        unwrappingOn = false;
        rawTestDogsResource();
    }

    private void rawTestDogsResource() throws Exception {
        JAXBContextResolver cr = new JAXBContextResolver();
        ResourceConfig rc = new DefaultResourceConfig(DogsResource.class);
        rc.getSingletons().add(cr);
        rc.getProperties().put(ResourceConfig.PROPERTY_CONTAINER_REQUEST_FILTERS, LoggingFilter.class.getName());
        rc.getProperties().put(ResourceConfig.PROPERTY_CONTAINER_RESPONSE_FILTERS, LoggingFilter.class.getName());
        initiateWebApplication(rc);

        ClientConfig cc = new DefaultClientConfig();
        cc.getClasses().add(cr.getClass());
        cc.getSingletons().add(cr);
        WebResource r = resource("/", cc);
        List<Dog> dogs = new LinkedList<Dog>();
        dogs.add(new Dog("Alik", 12));
        dogs.add(new Dog("Azor", 1));
        GenericType<List<Dog>> genericDogCollection =
                new GenericType<List<Dog>>() {};

        final List<Dog> dogList =
                r.type(MediaType.APPLICATION_JSON).post(genericDogCollection, new GenericEntity<List<Dog>>(dogs) {});
        System.out.println(dogList);
        assertEquals(dogs, dogList);
    }
}