/* * Copyright (c) 1999, 2001, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package javax.net.ssl; import java.security.*; /** * This class defines the <i>Service Provider Interface</i> (<b>SPI</b>) * for the <code>KeyManagerFactory</code> class. * * <p> All the abstract methods in this class must be implemented by each * cryptographic service provider who wishes to supply the implementation * of a particular key manager factory. * * @since 1.4 * @see KeyManagerFactory * @see KeyManager */public abstract class KeyManagerFactorySpi {    /**     * Initializes this factory with a source of key material.     *     * @param ks the key store or null     * @param password the password for recovering keys     * @throws KeyStoreException if this operation fails     * @throws NoSuchAlgorithmException if the specified algorithm is not     *          available from the specified provider.     * @throws UnrecoverableKeyException if the key cannot be recovered     * @see KeyManagerFactory#init(KeyStore, char[])     */    protected abstract void engineInit(KeyStore ks, char[] password) throws        KeyStoreException, NoSuchAlgorithmException, UnrecoverableKeyException;     /**     * Initializes this factory with a source of key material.     * <P>     * In some cases, initialization parameters other than a keystore     * and password may be needed by a provider.  Users of that     * particular provider are expected to pass an implementation of     * the appropriate <CODE>ManagerFactoryParameters</CODE> as     * defined by the provider.  The provider can then call the     * specified methods in the ManagerFactoryParameters     * implementation to obtain the needed information.     *     * @param spec an implementation of a provider-specific parameter     *          specification     * @throws InvalidAlgorithmParameterException if there is problem     *          with the parameters     * @see KeyManagerFactory#init(ManagerFactoryParameters spec)     */    protected abstract void engineInit(ManagerFactoryParameters spec)        throws InvalidAlgorithmParameterException;     /**     * Returns one key manager for each type of key material.     *     * @return the key managers     * @throws IllegalStateException     *         if the KeyManagerFactorySpi is not initialized     */    protected abstract KeyManager[] engineGetKeyManagers();}