001    /**
002     *  Licensed to the Apache Software Foundation (ASF) under one or more
003     *  contributor license agreements.  See the NOTICE file distributed with
004     *  this work for additional information regarding copyright ownership.
005     *  The ASF licenses this file to You under the Apache License, Version 2.0
006     *  (the "License"); you may not use this file except in compliance with
007     *  the License.  You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     *  Unless required by applicable law or agreed to in writing, software
012     *  distributed under the License is distributed on an "AS IS" BASIS,
013     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     *  See the License for the specific language governing permissions and
015     *  limitations under the License.
016     */
017    package org.apache.geronimo.jetty6;
018    
019    import org.mortbay.jetty.security.Authenticator;
020    import org.mortbay.jetty.security.UserRealm;
021    import org.mortbay.jetty.Request;
022    import org.mortbay.jetty.Response;
023    
024    import java.security.Principal;
025    import java.io.IOException;
026    
027    /**
028     * Authenticator that always denies, returning null.  Useful when you need to install a default principal/subject
029     * in an unsecured web app.
030     */
031    public class NonAuthenticator implements Authenticator {
032        public Principal authenticate(UserRealm realm, String pathInContext, Request request, Response response) throws IOException {
033            return null;
034        }
035    
036        public String getAuthMethod() {
037            return "None"; 
038        }
039    }