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package org.glassfish.jersey.examples.extendedwadl.resources;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;
import javax.ws.rs.Consumes;
import javax.ws.rs.NotFoundException;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriInfo;
import javax.inject.Singleton;
import org.glassfish.jersey.examples.extendedwadl.Item;
/**
* This is the root resource for managing items.
*
* @author Martin Grotzke (martin.grotzke@freiheit.com)
*/
@Singleton
@Path("items")
public class ItemsResource {
@Context
UriInfo _uriInfo;
private final AtomicInteger _sequence;
private final Map<Integer, Item> _repository;
public ItemsResource() {
_sequence = new AtomicInteger();
_repository = new HashMap<Integer, Item>();
}
@Path("{id}")
public ItemResource getItem(@PathParam("id") final Integer id) {
final Item item = _repository.get(id);
if (item == null) {
throw new NotFoundException(Response.status(Response.Status.NOT_FOUND).entity("Item with id " + id + " does not " +
"exist!").build());
}
return new ItemResource(item);
}
/**
* Add a new item to the list of managed items. The item will get assigned an id,
* the resource where the item is available will be returned in the location header.
*
* @param item The item to create.
*
* @request.representation.qname {http://www.example.com}item
* @request.representation.mediaType application/xml
* @request.representation.example {@link org.glassfish.jersey.examples.extendedwadl.util.Examples#SAMPLE_ITEM}
*
* @response.param {@name Location}
* {@style header}
* {@type {http://www.w3.org/2001/XMLSchema}anyURI}
* {@doc The URI where the created item is accessable.}
*
* @return The response with the status code and the location header.
*
*/
@POST
@Consumes({"application/xml"})
public Response createItem(Item item) {
final Integer id = _sequence.incrementAndGet();
_repository.put(id, item);
return Response.created(
_uriInfo.getAbsolutePathBuilder().clone().path(id.toString()).build())
.build();
}
}