Subversion Repositories WebE

package ch.ffhs.webE.action;

import java.util.ArrayList;

import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts2.StrutsStatics;

import ch.ffhs.webE.dao.UserDAO;

import ch.ffhs.webE.domain.User;

import com.opensymphony.xwork2.Action;

import com.opensymphony.xwork2.ActionContext;

import com.opensymphony.xwork2.ActionSupport;

import com.opensymphony.xwork2.ModelDriven;

public class UserAction extends ActionSupport implements ModelDriven<User>

{

  private static final long serialVersionUID = 1L;

  private User user = new User();

  private List<User> userList = new ArrayList<User>();

  private final UserDAO userDAO = new UserDAO();

  public boolean edit = false;

  public boolean added = false;

  public User savedUser;

  @Override

  public User getModel()

  {

    return this.user;

  }

  /**

   * DB query for userList

   *

   * @return SUCCESS

   */

  public String list()

  {

    this.userList = this.userDAO.getList();

    return Action.SUCCESS;

  }

  /**

   * Executes the DB query to save the user

   *

   * @return

   */

  public String save()

  {

    this.userDAO.saveOrUpdate(this.user);

    this.savedUser = this.user;

    this.user = null;

    this.list();

    return Action.SUCCESS;

  }

  public String edit()

  {

    int id = this.getIdParameter();

    String result = Action.ERROR;

    if (id > 0)

    {

      this.user = this.userDAO.getById(id);

      this.edit = true;

      result = Action.SUCCESS;

    }

    this.list();

    return result;

  }

  /**

   * Gets the ID Parameter for update / delete requests

   *

   * @return int from the ID request. If not set or wrong, it gives back -1

   */

  private int getIdParameter()

  {

    HttpServletRequest request = (HttpServletRequest) ActionContext

        .getContext().get(StrutsStatics.HTTP_REQUEST);

    int id = -1;

    try

    {

      id = Integer.parseInt(request.getParameter("id"));

    }

    catch (Exception e)

    {

      // TODO: Logging - wrong parameter set

    }

    return id;

  }

  /**

   * deletes a user, gets the ID from the "id" parameter that was submitted with

   * the HTTP request

   *

   * @return String - either SUCCESS or ERROR constant

   */

  public String delete()

  {

    int id = this.getIdParameter();

    // Check for malicious ID values

    if (id > 0)

    {

      this.userDAO.delete(id);

      return Action.SUCCESS;

    }

    else

    {

      return Action.ERROR;

    }

  }

  /*

   * Standard getters and setters

   */

  public User getUser()

  {

    return this.user;

  }

  public void setUser(User user)

  {

    this.user = user;

  }

  public List<User> getUserList()

  {

    return this.userList;

  }

  public void setUserList(List<User> userList)

  {

    this.userList = userList;

  }

}