RoleSet.java

/*
 *  Weblounge: Web Content Management System
 *  Copyright (c) 2003 - 2011 The Weblounge Team
 *  http://entwinemedia.com/weblounge
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public License
 *  as published by the Free Software Foundation; either version 2
 *  of the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this program; if not, write to the Free Software Foundation
 *  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

package ch.entwine.weblounge.common.impl.security;

import ch.entwine.weblounge.common.security.Role;

import java.util.TreeSet;

/**
 * A <code>Roleset</code> contains an arbitrary number of roles.
 */
public class RoleSet extends TreeSet<Role> {

  /** Serial version UID */
  private static final long serialVersionUID = -7096162030865806017L;

  /**
   * Creates an empty role set that may be used to group an arbitrary set of
   * roles for the specified user.
   */
  public RoleSet(Role role) {
    if (role != null) {
      super.add(role);
    }
  }

  /**
   * Creates an empty roleset that may be used to group an arbitrary set of
   * roles.
   */
  public RoleSet(Role[] roles) {
    if (roles != null) {
      for (int i = 0; i < roles.length; i++)
        add(roles[i]);
    }
  }

}