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Micro Distribution of the Payara Project for IBM JDK
/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License"). You * may not use this file except in compliance with the License. You can * obtain a copy of the License at * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html * or packager/legal/LICENSE.txt. See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at packager/legal/LICENSE.txt. * * GPL Classpath Exception: * Oracle designates this particular file as subject to the "Classpath" * exception as provided by Oracle in the GPL Version 2 section of the License * file that accompanied this code. * * Modifications: * If applicable, add the following below the License Header, with the fields * enclosed by brackets [] replaced by your own identifying information: * "Portions Copyright [year] [name of copyright owner]" * * Contributor(s): * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license." If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above. However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. * * * This file incorporates work covered by the following copyright and * permission notice: * * Copyright 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.realm; import javax.security.auth.callback.*; import java.io.IOException; /** *
interface, * used to negotiate delivery of the username and credentials that were * specified to our constructor. No interaction with the user is required * (or possible). * * @author Craig R. McClanahan * @version $Revision: 1.2 $ $Date: 2005/12/08 01:27:52 $ */ public class JAASCallbackHandler implements CallbackHandler { // ------------------------------------------------------------ Constructor /** * Construct a callback handler configured with the specified values. * * @param realm Our associated JAASRealm instance * @param username Username to be authenticated with * @param password Password to be authenticated with */ public JAASCallbackHandler(JAASRealm realm, String username, char[] password) { super(); this.realm = realm; this.username = username; this.password = ((password != null) ? ((char[])password.clone()) : null); } // ----------------------------------------------------- Instance Variables /** * The password to be authenticated with. */ protected char[] password = null; /** * The associatedImplementation of the JAAS CallbackHandler
JAASRealm
instance. */ protected JAASRealm realm = null; /** * The username to be authenticated with. */ protected String username = null; // --------------------------------------------------------- Public Methods /** * Retrieve the information requested in the provided Callbacks. This * implementation only recognizesNameCallback
and *PasswordCallback
instances. * * @param callbacks The set of callbacks to be processed * * @exception IOException if an input/output error occurs * @exception UnsupportedCallbackException if the login method requests * an unsupported callback type */ public void handle(Callback callbacks[]) throws IOException, UnsupportedCallbackException { for (int i = 0; i < callbacks.length; i++) { if (callbacks[i] instanceof NameCallback) { if (realm.getDebug() >= 3) realm.log("Returning username " + username); ((NameCallback) callbacks[i]).setName(username); } else if (callbacks[i] instanceof PasswordCallback) { final char[] passwordcontents; if (password != null) { passwordcontents = (char[])password.clone(); } else { passwordcontents = new char[0]; } ((PasswordCallback) callbacks[i]).setPassword (passwordcontents); } else { throw new UnsupportedCallbackException(callbacks[i]); } } } }
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