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package com.sun.jersey.samples.hypermedia.server.controller;
import com.sun.jersey.core.hypermedia.Action;
import com.sun.jersey.core.hypermedia.ContextualActionSet;
import com.sun.jersey.core.hypermedia.HypermediaController;
import com.sun.jersey.core.hypermedia.HypermediaController.LinkType;
import com.sun.jersey.samples.hypermedia.server.db.DB;
import com.sun.jersey.samples.hypermedia.server.model.*;
import java.util.HashSet;
import java.util.Set;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import static com.sun.jersey.samples.hypermedia.server.model.Customer.Status.*;
/**
* CustomerResource class.
*
* @author Santiago.PericasGeertsen@sun.com
*/
@Path("/customers/{id}")
@HypermediaController(
model=Customer.class,
linkType=LinkType.LINK_HEADERS
)
public class CustomerResource {
private Customer customer;
public CustomerResource(@PathParam("id") String id) {
customer = DB.customers.get(id);
if (customer == null) {
throw new WebApplicationException(404); // not found
}
}
@GET
@Produces("application/xml")
public Customer getCustomer(@PathParam("id") String id) {
return customer;
}
@PUT
@Consumes("application/xml")
public void putCustomer(@PathParam("id") String id, Customer customer) {
assert id.equals(customer.getId());
this.customer = customer;
DB.customers.put(id, customer);
}
@GET
@Path("/address/{aid}")
public Address getAddress(@PathParam("id") String id,
@PathParam("aid") String aid) {
return DB.customers.get(id).getAddressById(aid);
}
// -- Actions and ActionSets ------------------------------------
//
// Set a customer's state as ACTIVE or SUSPENDED.
// For simplicity, these actions are implemented by updating the
// customer's status. Note that this could be done also using
// @PUT. In general, these actions may involve several steps (a
// workflow) that cannot be easily translated into a single @PUT
// action by the client.
//
@GET
@Action("refresh") @Path("refresh")
@Produces("application/xml")
public Customer refresh(@PathParam("id") String id) {
return getCustomer(id);
}
@PUT
@Action("update") @Path("update")
@Consumes("application/xml")
public void update(@PathParam("id") String id, Customer c) {
putCustomer(id, c);
}
@POST
@Action("activate") @Path("activate")
public void activate() {
customer.setStatus(ACTIVE);
}
@POST
@Action("suspend") @Path("suspend")
public void suspend() {
customer.setStatus(SUSPENDED);
}
@ContextualActionSet
public Set<String> getContextualActionSet() {
Set<String> result = new HashSet<String>();
result.add("refresh");
result.add("update");
switch (customer.getStatus()) {
case ACTIVE:
result.add("suspend"); // @Action's value
break;
case SUSPENDED:
result.add("activate"); // @Action's value
break;
}
return result;
}
}