authenticator.java

是离开的肌肤了卡机是离开的就富利卡及是了的开发及拉考试及的福利科技阿斯利康的肌肤莱卡及时的离开福建阿斯顿发

// ========================================================================
// Copyright 2003-2005 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// 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.mortbay.jetty.security;

import java.io.IOException;
import java.io.Serializable;
import java.security.Principal;

import org.mortbay.jetty.Request;
import org.mortbay.jetty.Response;

/** Authenticator Interface.
 * This is the interface that must be implemented to provide authentication implementations to the HttpContext.
 */
public interface Authenticator extends Serializable
{
    /** Authenticate.
     * @param realm an <code>UserRealm</code> value
     * @param pathInContext a <code>String</code> value
     * @param request a <code>Request</code> value
     * @param response a <code>Response</code> value. If non-null response is passed, 
     *              then a failed authentication will result in a challenge response being 
     *              set in the response.
     * @return User <code>Principal</code> if authenticated. Null if Authentication
     * failed. If the SecurityConstraint.__NOBODY instance is returned,
     * the request is considered as part of the authentication process.
     * @exception IOException if an error occurs
     */
    public Principal authenticate(
        UserRealm realm,
        String pathInContext,
        Request request,
        Response response)
        throws IOException;

    /* ------------------------------------------------------------ */
    public String getAuthMethod();
}