HelloResource.java

package br.com.livro.rest;

import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import br.com.livro.domain.Response;

@Path("/hello")
public class HelloResource {
	@GET
	@Consumes(MediaType.TEXT_HTML)
	@Produces(MediaType.TEXT_HTML + ";charset=utf-8")
	public String helloHTML() {
		return "<b>Olá mundo HTML!</b>";
	}

	@GET
	@Produces(MediaType.TEXT_PLAIN)
	public String helloTextPlain() {
		return "Olá mundo Texto!";
	}

	@GET
	@Consumes({ MediaType.APPLICATION_XML, MediaType.TEXT_XML })
	@Produces({ MediaType.APPLICATION_XML, MediaType.TEXT_XML })
	public Response helloXML() {
		return Response.Ok("Olá mundo XML!");
	}

	@GET
	@Consumes(MediaType.APPLICATION_JSON)
	@Produces(MediaType.APPLICATION_JSON)
	public Response helloJSON() {
		return Response.Ok("Olá mundo JSON!");
	}
}