ValueMapping.java

/*
 * Copyright (C) 2011 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.web.controller.router;

/**
 * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
 */
public enum ValueMapping {

    /**
     * <ul>
     * <li>Any value is canonically mapped.</li>
     * </ul>
     */
    CANONICAL,

    /**
     * <ul>
     * <li>An empty value is considered as a null value.</li>
     * <li>Other values are mapped canonically.</li>
     * </ul>
     */
    NEVER_EMPTY,

    /**
     * <ul>
     * <li>A null value is considered as an empty value.</li>
     * <li>Other values are mapped canonically.</li>
     * </ul>
     */
    NEVER_NULL

}