/* * Copyright (c) 2000, 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 sun.security.provider.certpath; import java.io.IOException;import java.security.cert.CertificateException;import java.security.cert.X509Certificate;import java.security.cert.CertPathValidatorException; /** * A specification of a PKIX validation state * which is initialized by each build and updated each time a * certificate is added to the current path. * * @since       1.4 * @author      Sean Mullan * @author      Yassir Elley */ interface State extends Cloneable {     /**     * Update the state with the next certificate added to the path.     *     * @param cert the certificate which is used to update the state     */    public void updateState(X509Certificate cert)        throws CertificateException, IOException, CertPathValidatorException;     /**     * Creates and returns a copy of this object     */    public Object clone();     /**     * Returns a boolean flag indicating if the state is initial     * (just starting)     *     * @return boolean flag indicating if the state is initial (just starting)     */    public boolean isInitial();     /**     * Returns a boolean flag indicating if a key lacking necessary key     * algorithm parameters has been encountered.     *     * @return boolean flag indicating if key lacking parameters encountered.     */    public boolean keyParamsNeeded();}