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package org.glassfish.jersey.examples.extendedwadl.resources;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.HeaderParam;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import org.glassfish.jersey.examples.extendedwadl.Item;
import org.codehaus.jettison.json.JSONArray;
/**
* This resource is used to manage a single item.
*
* @author Martin Grotzke (martin.grotzke@freiheit.com)
*/
public class ItemResource {
private final Item _item;
public ItemResource(Item item) {
_item = item;
}
/**
* Typically returns the item if it exists. Please be aware that this method is extremely
* expensive, so we can't guarantee that getting items is all the time possible.
*
* @response.representation.200.qname {http://www.example.com}item
* @response.representation.200.mediaType application/xml
* @response.representation.200.doc This is the representation returned by default
* (if we have an even number of millis since 1970...:)
* @response.representation.200.example {@link org.glassfish.jersey.examples.extendedwadl.util.Examples#SAMPLE_ITEM}
*
* @response.representation.503.mediaType text/plain
* @response.representation.503.example You'll get some explanation why this service is not available
*
* @return the requested item if this service is available, otherwise a 503.
*/
@GET
@Produces({"application/xml", "text/plain"})
public Response getItem() {
if (System.currentTimeMillis() % 2 == 0) {
return Response.status(Status.SERVICE_UNAVAILABLE)
.entity("Sorry, but right now we can't process this request,"
+ " try again an odd number of milliseconds later, please :)")
.type(MediaType.TEXT_PLAIN).build();
}
return Response.ok(_item).build();
}
/**
* Tries hard to return the item if it exists. If "Try-Hard" header is set to "true", the method is guaranteed to always
* complete successfully if the item exists.
*
* @request.param {@name Try-Hard}
* {@style header}
* {@type {http://www.w3.org/2001/XMLSchema}string}
* {@doc If set to "true", the call will always succeed provided the item exists.}
*
* @response.representation.200.qname {http://www.example.com}item
* @response.representation.200.mediaType application/xml
* @response.representation.200.doc This is the representation returned by default
* (if we have an even number of millis since 1970...:)
* @response.representation.200.example {@link org.glassfish.jersey.examples.extendedwadl.util.Examples#SAMPLE_ITEM}
*
* @response.representation.503.mediaType text/plain
* @response.representation.503.example You'll get some explanation why this service is not available.
*
* @return the requested item if it exists and the "Try-Hard" header is set to "true", otherwise a 503.
*/
// Method added to reproduce OWLS-24243 issue.
@GET
@Produces({"application/xml", "text/plain"})
@Path("try-hard")
public Response getItem(@HeaderParam("Try-Hard") boolean tryHard) {
if (!tryHard) {
return Response.status(Status.SERVICE_UNAVAILABLE)
.entity("Sorry, but right now we can't process this request,"
+ " try again and set the \"Try-Hard\" header to \"true\"")
.type(MediaType.TEXT_PLAIN)
.build();
}
return Response.ok(_item).build();
}
/**
* Returns the item if existing.
*
* @response.representation.200.mediaType application/json
* @response.representation.200.example ["myValue"]
*
* @return the requested item.
*/
@GET
@Produces({"application/json"})
public JSONArray getItemAsJSON() {
final JSONArray result = new JSONArray();
result.put(_item.getValue());
return result;
}
/**
* Update the value property of the current item.
*
* @param value the new value to set
*/
@Path("value/{value}")
@PUT
@Consumes({"application/xml"})
public void updateItemValue(@PathParam("value") String value) {
_item.setValue(value);
}
}