/*
 * Copyright 2002,2004 The Apache Software Foundation.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package org.apache.catalina.users;


import org.apache.catalina.Role;
import org.apache.catalina.UserDatabase;


/**
 * <p>Convenience base class for {@link Role} implementations.</p>
 *
 * @author Craig R. McClanahan
 * @version $Revision$ $Date$
 * @since 4.1
 */

public abstract class AbstractRole implements Role {


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


    /**
     * The description of this Role.
     */
    protected String description = null;


    /**
     * The role name of this Role.
     */
    protected String rolename = null;


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


    /**
     * Return the description of this role.
     */
    public String getDescription() {

        return (this.description);

    }


    /**
     * Set the description of this role.
     *
     * @param description The new description
     */
    public void setDescription(String description) {

        this.description = description;

    }


    /**
     * Return the role name of this role, which must be unique
     * within the scope of a {@link UserDatabase}.
     */
    public String getRolename() {

        return (this.rolename);

    }


    /**
     * Set the role name of this role, which must be unique
     * within the scope of a {@link UserDatabase}.
     *
     * @param rolename The new role name
     */
    public void setRolename(String rolename) {

        this.rolename = rolename;

    }


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


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


    // ------------------------------------------------------ Principal Methods


    /**
     * Make the principal name the same as the role name.
     */
    public String getName() {

        return (getRolename());

    }


}