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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.HeaderParam;
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.QueryParam;
import javax.ws.rs.WebApplicationException;
import static com.sun.jersey.samples.hypermedia.server.model.Order.Status.*;
/**
* OrderResource class.
*
* @author Santiago.PericasGeertsen@sun.com
*/
@Path("/orders/{id}")
@HypermediaController(
model=Order.class,
linkType=LinkType.LINK_HEADERS
)
public class OrderResource {
private Order order;
public OrderResource(@PathParam("id") String id) {
order = DB.orders.get(id);
if (order == null) {
throw new WebApplicationException(404); // not found
}
}
@GET
@Produces("application/xml")
public Order getOrder(@PathParam("id") String id) {
return order;
}
@PUT
@Consumes("application/xml")
public void putOrder(@PathParam("id") String id, Order order) {
assert id.equals(order.getId());
this.order = order;
DB.orders.put(id, order);
}
// -- Actions and ActionSets ------------------------------------
//
// Set an order's state as REVIEWED, PAYED, SHIPPED or CANCELED.
// For simplicity, these actions are implemented by updating the
// order'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 Order refresh(@PathParam("id") String id) {
return getOrder(id);
}
@PUT
@Action("update") @Path("update")
@Consumes("application/xml")
public void update(@PathParam("id") String id, Order o) {
putOrder(id, o);
}
@POST
@Action("review") @Path("review")
public void review(@HeaderParam("notes") String notes) {
// Do something with notes
order.setStatus(REVIEWED);
}
@POST
@Action("pay") @Path("pay")
@Consumes("text/plain")
public void pay(@QueryParam("newCardNumber") String newCardNumber) {
// Do something with newCardNumber
order.setStatus(PAYED);
}
@PUT
@Action("ship") @Path("ship")
@Produces("application/xml")
@Consumes("application/xml")
public Order ship(Address newShippingAddress) {
// Do something with newShippingAddress
order.setStatus(SHIPPED);
return order;
}
@POST
@Action("cancel") @Path("cancel")
public void cancel(@QueryParam("notes") String notes) {
// Do something with notes
order.setStatus(CANCELED);
}
/**
* Order Version 1.
*/
@ContextualActionSet
public Set<String> getContextualActionSet() {
Set<String> result = new HashSet<String>();
result.add("refresh");
switch (order.getStatus()) {
case RECEIVED:
result.add("review"); // @Action's value
result.add("cancel"); // @Action's value
result.add("update"); // @Action's value
break;
case REVIEWED:
result.add("cancel"); // @Action's value
result.add("pay"); // @Action's value
result.add("update"); // @Action's value
break;
case CANCELED:
break;
case PAYED:
result.add("ship"); // @Action's value
result.add("update"); // @Action's value
break;
case SHIPPED:
break;
}
return result;
}
}