You can start with a pojo too. The response is tied to the media type produced by your resource. If you want to generate application/xml or application/json response types, your pojo needs to be annotated with JAXB annotations as shown in the below code.

Let me know if this helps.

-Arul

import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.api.container.httpserver.HttpServerFactory;
import com.sun.net.httpserver.HttpServer;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.ProduceMime;
import javax.ws.rs.core.Response;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlType;

@Path(“/movies”)
public class MovieResource {

@XmlRootElement
@XmlAccessorType(XmlAccessType.FIELD)
@XmlType(name = “movieDetails”, propOrder = {
“title”,
“genres”,
“directedBy”
})
public static class MovieDetails {

@XmlElement(required = true)
private String title;
@XmlElement(required = true)
private String genres;
@XmlElement(required = true)
private String directedBy;
@XmlAttribute
private Integer rank;

public String getDirectedBy() {
return directedBy;
}

public void setDirectedBy(String directedBy) {
this.directedBy = directedBy;
}

public String getGenres() {
return genres;
}

public void setGenres(String genres) {
this.genres = genres;
}

public String getTitle() {
return title;
}

public void setTitle(String title) {
this.title = title;
}

public Integer getRank() {
return rank;
}

public void setRank(Integer rank) {
this.rank = rank;
}
}

@GET
@ProduceMime({“application/xml”, “application/json”})
public Response getTopBoxOfficeMovieThisWeek() {
MovieDetails pojo = new MovieDetails();
pojo.setTitle(“WALL-E”);
pojo.setDirectedBy(“Andrew Stanton”);
pojo.setRank(1);
return Response.ok(pojo).build();
}

public static void assertEquals(Object o1, Object o2) {
if (!o1.equals(o2)) {
System.out.println(o1 + ” != ” + o2);
throw new RuntimeException();
}
}

public static void client() throws Exception {
Client client = Client.create();
WebResource resource = client.resource(“http://localhost:9999/movies”);
MovieDetails pojo = resource.accept(“application/xml”).get(MovieDetails.class);
assertEquals(“WALL-E”, pojo.getTitle());
assertEquals(1, pojo.getRank());
System.out.println(“XML Response :” + resource.accept(“application/xml”).get(String.class));
System.out.println(“JSON Response :” + resource.accept(“application/json”).get(String.class));
}

public static void main(String[] args) throws Exception {
HttpServer s = HttpServerFactory.create(“http://localhost:9999/”);
s.start();

try {
client();
} finally {
s.stop(0);
}
}
}

Thanks,
Steve