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package com.sun.jersey.samples.bookmark_em.resources;
import com.sun.jersey.api.NotFoundException;
import com.sun.jersey.samples.bookmark_em.entities.BookmarkEntity;
import com.sun.jersey.samples.bookmark_em.entities.BookmarkEntityPK;
import com.sun.jersey.samples.bookmark_em.entities.UserEntity;
import com.sun.jersey.samples.bookmark_em.util.tx.TransactionManager;
import com.sun.jersey.samples.bookmark_em.util.tx.Transactional;
import java.util.Date;
import javax.persistence.EntityManager;
import javax.transaction.UserTransaction;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.PUT;
import javax.ws.rs.Produces;
import javax.ws.rs.core.UriInfo;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;
/**
*
* @author Jakub Podlesak, Paul Sandoz
*/
public class BookmarkResource {
UriInfo uriInfo; // actual uri info provided by parent resource
EntityManager em; // entity manager provided by parent resource
UserTransaction utx; //user transaction provided by parent resource
BookmarkEntity bookmarkEntity;
/** Creates a new instance of UserResource */
public BookmarkResource(UriInfo uriInfo, EntityManager em,
UserTransaction utx, UserEntity userEntity, String bmid) {
this.uriInfo = uriInfo;
this.em = em;
this.utx = utx;
bookmarkEntity = em.find(BookmarkEntity.class,
new BookmarkEntityPK(bmid, userEntity.getUserid()));
if (null == bookmarkEntity) {
throw new NotFoundException("bookmark with userid=" +
userEntity.getUserid() + " and bmid=" +
bmid + " not found\n");
}
bookmarkEntity.setUserEntity(userEntity);
}
@GET
@Produces("application/json")
public JSONObject getBookmark() {
return asJson();
}
@PUT
@Consumes("application/json")
public void putBookmark(JSONObject jsonEntity) throws JSONException {
bookmarkEntity.setLdesc(jsonEntity.getString("ldesc"));
bookmarkEntity.setSdesc(jsonEntity.getString("sdesc"));
bookmarkEntity.setUpdated(new Date());
TransactionManager.manage(utx, new Transactional(em) { public void transact() {
em.merge(bookmarkEntity);
}});
}
@DELETE
public void deleteBookmark() {
TransactionManager.manage(utx, new Transactional(em) { public void transact() {
em.persist(bookmarkEntity);
UserEntity userEntity = bookmarkEntity.getUserEntity();
userEntity.getBookmarkEntityCollection().remove(bookmarkEntity);
em.merge(userEntity);
em.remove(bookmarkEntity);
}});
}
public String asString() {
return toString();
}
public JSONObject asJson() {
try {
return new JSONObject()
.put("userid", bookmarkEntity.getBookmarkEntityPK().getUserid())
.put("sdesc", bookmarkEntity.getSdesc())
.put("ldesc", bookmarkEntity.getLdesc())
.put("uri", bookmarkEntity.getUri());
} catch (JSONException je){
return null;
}
}
@Override
public String toString() {
return bookmarkEntity.getBookmarkEntityPK().getUserid();
}
}