package org.itracker.web.util;
   
   import java.util.List;
   import java.util.Map;
   import java.util.Set;
   
   import javax.servlet.http.HttpSession;
   
   import org.itracker.model.NameValuePair;
  import org.itracker.model.PermissionType;
  import org.itracker.model.User;
  
  /**
   * Helper class with utility methods to help with request handling in Action 
   * or JSP pages. 
   * 
   * @author johnny
   */
  public final class RequestHelper {
      
      /** Creates a new instance of RequestUtils */
      private RequestHelper() {
      }
      
      /**
       * Returns the map of a permissions by project id. 
       */
      @SuppressWarnings("unchecked")
      public static Map<Integer, Set<PermissionType>> 
              getUserPermissions(HttpSession session) {
          
          return (Map<Integer, Set<PermissionType>>)
              session.getAttribute(Constants.PERMISSIONS_KEY);
      }
      
      public static User getCurrentUser(HttpSession session) {
          
          return (User)session.getAttribute(Constants.USER_KEY);
      }
      
      @SuppressWarnings("unchecked")
      public static Map<Integer, List<NameValuePair>> 
              getListOptions(HttpSession session) {
          return (Map<Integer, List<NameValuePair>>) 
              session.getAttribute(Constants.LIST_OPTIONS_KEY);
      }
      
  }