/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 * 
 * Portions Copyright Apache Software Foundation.
 * 
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
 * identifying information: "Portions Copyrighted [year]
 * [name of copyright owner]"
 * 
 * Contributor(s):
 * 
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */


package org.apache.catalina.users;


import java.util.ArrayList;
import java.util.Iterator;
import org.apache.catalina.Group;
import org.apache.catalina.Role;
import org.apache.catalina.User;
import org.apache.catalina.UserDatabase;


/**
 * <p>Concrete implementation of {@link Role} for the
 * {@link MemoryUserDatabase} implementation of {@link UserDatabase}.</p>
 *
 * @author Craig R. McClanahan
 * @version $Revision: 1.3 $ $Date: 2007/05/05 05:32:29 $
 * @since 4.1
 */

public class MemoryRole extends AbstractRole {


    // ----------------------------------------------------------- Constructors


    /**
     * Package-private constructor used by the factory method in
     * {@link MemoryUserDatabase}.
     *
     * @param database The {@link MemoryUserDatabase} that owns this role
     * @param rolename Role name of this role
     * @param description Description of this role
     */
    MemoryRole(MemoryUserDatabase database,
               String rolename, String description) {

        super();
        this.database = database;
        setRolename(rolename);
        setDescription(description);

    }


    // ----------------------------------------------------- Instance Variables


    /**
     * The {@link MemoryUserDatabase} that owns this role.
     */
    protected MemoryUserDatabase database = null;


    // ------------------------------------------------------------- Properties


    /**
     * Return the {@link UserDatabase} within which this role is defined.
     */
    public UserDatabase getUserDatabase() {

        return (this.database);

    }


    // --------------------------------------------------------- Public Methods


    /**
     * <p>Return a String representation of this role in XML format.</p>
     */
    public String toString() {

        StringBuffer sb = new StringBuffer("<role rolename=\"");
        sb.append(rolename);
        sb.append("\"");
        if (description != null) {
            sb.append(" description=\"");
            sb.append(description);
            sb.append("\"");
        }
        sb.append("/>");
        return (sb.toString());

    }


}