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package com.sun.jersey.samples.atomserver.resources;
import com.sun.jersey.spi.MessageBodyWorkers;
import com.sun.syndication.feed.atom.Content;
import com.sun.syndication.feed.atom.Entry;
import com.sun.syndication.feed.atom.Feed;
import com.sun.syndication.io.FeedException;
import java.io.IOException;
import java.net.URI;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Produces;
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.Response;
import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.core.UriInfo;
/**
*
* @author Paul.Sandoz@Sun.Com
*/
@Path("/collection")
@Produces("application/atom+xml")
public class FeedResource {
@Context UriInfo uriInfo;
@Context MessageBodyWorkers bodyContext;
@Path("{entry}")
public EntryResource getEntryResource(@PathParam("entry") String entryId) {
return new EntryResource(entryId);
}
@Path("edit/{entry}")
public EntryResource getEditEntryResource(@PathParam("entry") String entryId) {
return new EditEntryResource(entryId, uriInfo, bodyContext);
}
private UriBuilder getEditUriBuilder() {
return uriInfo.getAbsolutePathBuilder().path("edit");
}
// Uncomment the following methods, and comment out the above equivalent
// methods, to support optimisitic concurrency when updating entries
// @Path("edit/{version}/{entry}")
// public EntryResource getEditEntryResource(
// @PathParam("entry") String entryId,
// @PathParam("version") int version) throws FeedException {
// return new EditOptimisiticEntryResource(entryId, version,
// uriInfo, bodyContext);
// }
//
// private UriBuilder getEditUriBuilder() {
// return uriInfo.getAbsolutePathBuilder().path("edit/0");
// }
@GET
public Feed getFeed() throws IOException, FeedException {
return AtomStore.getFeedDocument(bodyContext, uriInfo.getAbsolutePath());
}
@POST
@Consumes("application/atom+xml")
public Response postEntry(Entry e) throws IOException, FeedException {
// Get the next unique name of the entry
String entryId = FileStore.FS.getNextId();
// Set the self link
URI entryUri = uriInfo.getAbsolutePathBuilder().
path(entryId).build();
AtomStore.addLink(e, "self", entryUri);
// Set the edit link
URI editEntryUri = getEditUriBuilder().
path(entryId).build();
AtomStore.addLink(e, "edit", editEntryUri);
// Set the id
e.setId(entryId);
// Store the entry document
AtomStore.createEntryDocument(bodyContext, entryId, e);
// Update the feed document with the entry
Feed f = AtomStore.getFeedDocument(bodyContext, uriInfo.getAbsolutePath());
AtomStore.updateFeedDocumentWithNewEntry(bodyContext, f, e);
// Return 201 Created
return Response.created(entryUri).entity(e).build();
}
@POST
public Response postMediaEntry(
@Context HttpHeaders headers,
byte[] entry) throws IOException, FeedException {
// Get the next unique name of the entry
String entryId = FileStore.FS.getNextId();
// Create a default entry
Entry e = AtomStore.createDefaulMediaLinkEntryDocument();
UriBuilder entryUriBuilder = uriInfo.getAbsolutePathBuilder().path(entryId);
UriBuilder editEntryUriBuilder = getEditUriBuilder().path(entryId);
// Set the self link
URI entryUri = entryUriBuilder.build();
AtomStore.addLink(e, "self", entryUri);
// Set the edit link
URI editEntryUri = editEntryUriBuilder.build();
AtomStore.addLink(e, "edit", editEntryUri);
// Set the edit-media link
URI editMediaUri = editEntryUriBuilder.
path("media").build();
AtomStore.addLink(e, "edit-media", editMediaUri);
// Set the id
e.setId(entryId);
// Set the content to link to the media
Content c = new Content();
c.setType(headers.getMediaType().toString());
URI mediaUri = entryUriBuilder.
path("media").
build();
c.setSrc(mediaUri.toString());
e.getContents().add(c);
// Store entry document
AtomStore.createEntryDocument(bodyContext, entryId, e);
// Store the media
AtomStore.createMediaDocument(entryId, entry);
// Update the feed document with the entry
Feed f = AtomStore.getFeedDocument(bodyContext, uriInfo.getAbsolutePath());
AtomStore.updateFeedDocumentWithNewEntry(bodyContext, f, e);
// Return 201 Created
return Response.created(entryUri).entity(e).build();
}
}