001    /* 
002     * Copyright 2004-2005 Stephen McConnell, DPML
003     *
004     * Licensed  under the  Apache License,  Version 2.0  (the "License");
005     * you may not use  this file  except in  compliance with the License.
006     * You may obtain a copy of the License at 
007     * 
008     *   http://www.apache.org/licenses/LICENSE-2.0
009     * 
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed  under the  License is distributed on an "AS IS" BASIS,
012     * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY KIND, either  express  or
013     * implied.
014     * 
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    
019    package net.dpml.transit;
020    
021    import java.net.Authenticator;
022    import java.net.PasswordAuthentication;
023    
024    /**
025     * Transit authenticator contract.
026     *
027     * @author <a href="http://www.dpml.net">The Digital Product Meta Library</a>
028     * @version 1.0.0
029     */
030    public interface TransitAuthenticator
031    {
032        /**
033         * Returns the password authenticator.
034         * @param authenticator the default authenticator
035         * @return the password authenticator
036         */
037        PasswordAuthentication resolvePasswordAuthentication( Authenticator authenticator );
038    }