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package org.glassfish.jersey.examples.bookmark_em.resource;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriInfo;
import javax.persistence.EntityManager;
import javax.transaction.UserTransaction;
import org.glassfish.jersey.examples.bookmark_em.entity.UserEntity;
import org.glassfish.jersey.examples.bookmark_em.exception.ExtendedNotFoundException;
import org.glassfish.jersey.examples.bookmark_em.util.tx.TransactionManager;
import org.glassfish.jersey.examples.bookmark_em.util.tx.Transactional;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;
/**
* @author Jakub Podlesak (jakub.podlesak at oracle.com)
* @author Paul Sandoz (paul.sandoz at oracle.com)
* @author Michal Gajdos (michal.gajdos at oracle.com)
*/
public class UserResource {
String userid; // userid from url
UserEntity userEntity; // appropriate jpa user entity
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
/**
* Creates a new instance of UserResource
*/
public UserResource(UriInfo uriInfo, EntityManager em, UserTransaction utx, String userid) {
this.uriInfo = uriInfo;
this.userid = userid;
this.em = em;
this.utx = utx;
userEntity = em.find(UserEntity.class, userid);
}
@Path("bookmarks/")
public BookmarksResource getBookmarksResource() {
if (null == userEntity) {
throw new ExtendedNotFoundException("userid " + userid + " does not exist!");
}
return new BookmarksResource(uriInfo, em, utx, this);
}
@GET
@Produces("application/json")
public JSONObject getUser() throws JSONException {
if (null == userEntity) {
throw new ExtendedNotFoundException("userid " + userid + "does not exist!");
}
return new JSONObject().
put("userid", userEntity.getUserid()).
put("username", userEntity.getUsername()).
put("email", userEntity.getEmail()).
put("password", userEntity.getPassword()).
put("bookmarks", uriInfo.getAbsolutePathBuilder().path("bookmarks").build());
}
@PUT
@Consumes("application/json")
public Response putUser(JSONObject jsonEntity) throws JSONException {
String jsonUserid = jsonEntity.getString("userid");
if ((null != jsonUserid) && !jsonUserid.equals(userid)) {
return Response.status(409).entity("userids differ!\n").build();
}
final boolean newRecord = (null == userEntity); // insert or update ?
if (newRecord) { // new user record to be inserted
userEntity = new UserEntity();
userEntity.setUserid(userid);
}
userEntity.setUsername(jsonEntity.getString("username"));
userEntity.setEmail(jsonEntity.getString("email"));
userEntity.setPassword(jsonEntity.getString("password"));
if (newRecord) {
TransactionManager.manage(utx, new Transactional(em) {
public void transact() {
em.joinTransaction();
em.persist(userEntity);
}
});
return Response.created(uriInfo.getAbsolutePath()).build();
} else {
TransactionManager.manage(utx, new Transactional(em) {
public void transact() {
em.merge(userEntity);
}
});
return Response.noContent().build();
}
}
@DELETE
public void deleteUser() {
if (null == userEntity) {
throw new ExtendedNotFoundException("userid " + userid + "does not exist!");
}
TransactionManager.manage(utx, new Transactional(em) {
public void transact() {
em.persist(userEntity);
em.remove(userEntity);
}
});
}
@Override
public String toString() {
return userEntity.getUserid();
}
public UserEntity getUserEntity() {
return userEntity;
}
}