SecureCollections.java

/*
 * Copyright (C) 2010 eXo Platform SAS.
 *
 * This 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 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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 software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.exoplatform.commons.utils.secure;

import java.security.Permission;
import java.util.List;
import java.util.Set;

/**
 * @author <a href="mailto:nikolazius@gmail.com">Nikolay Zamosenchuk</a>
 * @version $Id: SecureCollections.java 34360 2009-07-22 23:58:59Z nzamosenchuk $
 *
 */
public class SecureCollections
{
   /**
    * Private constructor, used to disallow instance creation  
    */
   private SecureCollections()
   {
   }

   /**
    * Creates {@link SecureSet}, which will require given {@link Permission} for it's modification
    * 
    * @param <E>
    * @param set
    *    Base List instance
    * @param permission
    *    Required permission
    * @return
    */
   public static <E> Set<E> secureSet(Set<E> set, Permission permission)
   {
      return new SecureSet<E>(set, permission);
   }

   /**
    * Creates {@link SecureList}, which will require given {@link Permission} for it's modification
    * 
    * @param <E>
    * @param list
    *    Base list instance
    * @param permission
    *    Required permission
    * @return
    */
   public static <E> List<E> secureList(List<E> list, Permission permission)
   {
      return new SecureList<E>(list, permission);
   }
}