/*
 * Copyright 2005-2008 Les Hazlewood
 *
 * 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.jsecurity.authc;

import java.net.InetAddress;

/**
 * Authentication token that also preserves the IP from where the authentication attempt is taking place.
 *
 * @since 0.2
 * @author Les Hazlewood
 */
public interface InetAuthenticationToken extends AuthenticationToken {

    /**
     * Returns the InetAddress from where the authentication attempt is occurring.  May be null if the IP address
     * is ignored or unknown, in which case, it is up to the Authenticator processing the token to determine if
     * it is valid without the IP.
     * @return the InetAddress from where the authentication attempt is occurring.
     */
    InetAddress getInetAddress();
}