UserProvider.java

package ms.itsecteam.warpdrink.provider;

import java.sql.SQLException;
import java.util.List;

import javax.ws.rs.*;
import javax.ws.rs.core.MediaType;

import com.google.gson.Gson;

import ms.itsecteam.warpdrink.UserDao;
import ms.itsecteam.warpdrink.objects.User;

@Path("user")
public class UserProvider {
	List<User> users;
	
	public UserProvider() {
		try {
			users = UserDao.getInstance().getAllUsers();
		} catch (SQLException e) {
			e.printStackTrace();
		}
	}
  
  @GET
  @Path("/all")
  @Produces(MediaType.APPLICATION_JSON)
  public String getUsers() {
	  List<User> users;
	  try {
		  users = UserDao.getInstance().getAllUsers();
		  if(users != null){
			  return new Gson().toJson(users,users.getClass());
		  }
	  } catch (SQLException e) {
		e.printStackTrace();
	  }
	  return "";
  }
  
  @GET
  @Path("/{userid}")
  @Produces(MediaType.APPLICATION_JSON)
  public User getUser(@PathParam("userid") int userid) {
		try {
			return UserDao.getInstance().getUser(userid);
		} catch (SQLException e) {
			e.printStackTrace();
		}
		return null;
  }
  
  @POST
  @Path("/{userid}")
  @Produces(MediaType.APPLICATION_JSON)
  public void setUser(@PathParam("userid") int userid, @FormParam("credit") double credit) throws SQLException {
	  User user = UserDao.getInstance().getUser(userid);
	  user.setCredit(credit);
	  UserDao.getInstance().saveUser(user);
  }
  @PUT
  @Path("/create")
  @Produces(MediaType.APPLICATION_JSON)
  public User createUser(@FormParam("name") String name) throws SQLException {
	  if(UserDao.getInstance().getUser(name) == null){
		  User user = new User(name,0.0);
		  UserDao.getInstance().saveUser(user);
		  return user;
	  }
	  return null;
  }
}