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package com.sun.jersey.samples.optimisticconcurrency.resources;
import com.sun.jersey.api.ConflictException;
import com.sun.jersey.samples.optimisticconcurrency.ItemData;
import javax.ws.rs.GET;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
/**
*
* @author Paul.Sandoz@Sun.Com
*/
public class ItemContentResource {
@GET
public Response get() {
ItemData id = ItemData.ITEM;
MediaType mediaType = null;
byte[] content = null;
synchronized (id) {
mediaType = id.getMediaType();
content = id.getContent();
}
return Response.ok(content, mediaType).build();
}
@PUT
@Path("{version}")
public void put(
@PathParam("version") int version,
@Context HttpHeaders headers,
byte[] in) {
ItemData id = ItemData.ITEM;
synchronized (id) {
int currentVersion = id.getVersion();
if (currentVersion > version) {
throw new ConflictException("Conflict");
}
id.update(headers.getMediaType(), in);
}
}
}