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package com.sun.jersey.samples.bookmark_em.resources;
import com.sun.jersey.samples.bookmark_em.entities.BookmarkEntity;
import com.sun.jersey.samples.bookmark_em.util.tx.TransactionManager;
import com.sun.jersey.samples.bookmark_em.util.tx.Transactional;
import java.net.URI;
import java.util.Collection;
import java.util.Date;
import javax.persistence.EntityManager;
import javax.transaction.UserTransaction;
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.Response;
import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.core.UriInfo;
import org.codehaus.jettison.json.JSONArray;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;
/**
*
* @author Jakub Podlesak, Paul Sandoz
*/
public class BookmarksResource {
UriInfo uriInfo; // actual uri info
EntityManager em; // entity manager provided by parent resource
UserTransaction utx; // user transaction provided by parent resource
UserResource userResource; // parent user resource
/** Creates a new instance of BookmarksResource */
public BookmarksResource(UriInfo uriInfo,
EntityManager em, UserTransaction utx, UserResource userResource) {
this.uriInfo = uriInfo;
this.em = em;
this.utx = utx;
this.userResource = userResource;
}
public Collection<BookmarkEntity> getBookmarks() {
return userResource.getUserEntity().getBookmarkEntityCollection();
}
@Path("{bmid: .+}")
public BookmarkResource getBookmark(@PathParam("bmid") String bmid) {
return new BookmarkResource(uriInfo, em, utx,
userResource.getUserEntity(), bmid);
}
@GET
@Produces("application/json")
public JSONArray getBookmarksAsJsonArray() {
JSONArray uriArray = new JSONArray();
for (BookmarkEntity bookmarkEntity : getBookmarks()) {
UriBuilder ub = uriInfo.getAbsolutePathBuilder();
URI bookmarkUri = ub.
path(bookmarkEntity.getBookmarkEntityPK().getBmid()).
build();
uriArray.put(bookmarkUri.toASCIIString());
}
return uriArray;
}
@POST
@Consumes("application/json")
public Response postForm(JSONObject bookmark) throws JSONException {
final BookmarkEntity bookmarkEntity = new BookmarkEntity(
getBookmarkId(bookmark.getString("uri")),
userResource.getUserEntity().getUserid());
bookmarkEntity.setUri(bookmark.getString("uri"));
bookmarkEntity.setUpdated(new Date());
bookmarkEntity.setSdesc(bookmark.getString("sdesc"));
bookmarkEntity.setLdesc(bookmark.getString("ldesc"));
userResource.getUserEntity().getBookmarkEntityCollection().add(bookmarkEntity);
TransactionManager.manage(utx, new Transactional(em) { public void transact() {
em.merge(userResource.getUserEntity());
}});
URI bookmarkUri = uriInfo.getAbsolutePathBuilder().
path(bookmarkEntity.getBookmarkEntityPK().getBmid()).
build();
return Response.created(bookmarkUri).build();
}
private String getBookmarkId(String uri) {
return uri;
}
}