/**
 * This file Copyright (c) 2003-2012 Magnolia International
 * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
 *
 *
 * This file is dual-licensed under both the Magnolia
 * Network Agreement and the GNU General Public License.
 * You may elect to use one or the other of these licenses.
 *
 * This file is distributed in the hope that it will be
 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
 * Redistribution, except as permitted by whichever of the GPL
 * or MNA you select, is prohibited.
 *
 * 1. For the GPL license (GPL), you can redistribute and/or
 * modify this file under the terms of the GNU General
 * Public License, Version 3, as published by the Free Software
 * Foundation.  You should have received a copy of the GNU
 * General Public License, Version 3 along with this program;
 * if not, write to the Free Software Foundation, Inc., 51
 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 2. For the Magnolia Network Agreement (MNA), this file
 * and the accompanying materials are made available under the
 * terms of the MNA which accompanies this distribution, and
 * is available at http://www.magnolia-cms.com/mna.html
 *
 * Any modifications to this file must keep this entire header
 * intact.
 *
 */
package info.magnolia.cms.security;

import info.magnolia.cms.core.Content;
import info.magnolia.cms.core.ItemType;
import info.magnolia.cms.util.ContentUtil;
import org.apache.commons.lang.StringUtils;

import javax.jcr.RepositoryException;

/**
 * A variation of a {@link MgnlUserManager} which stores users hierarchically using the following structure: {@literal /<realm>/<first letter of user name>/<first two letters of user name>}.
 * @version $Revision: $ ($Author: $)
 */
public class HierarchicalUserManager extends MgnlUserManager {

    @Override
    protected Content createUserNode(String name) throws RepositoryException {
        final String parentPath = getParentPath(name);
        final Content parent = ContentUtil.createPath(getHierarchyManager(), parentPath, ItemType.FOLDER, false);
        return parent.createContent(name, ItemType.USER);
    }

    protected String getParentPath(String name) {
        final String lcName = name.toLowerCase();
        if (lcName.length() < 3) {
            return "/" + getRealmName();
        }
        return "/" + getRealmName() + "/" + lcName.charAt(0) + "/" + StringUtils.left(lcName, 2);
    }
}