/* * Copyright (c) 2003, 2004, 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 java.net; import java.security.cert.Certificate;import javax.net.ssl.SSLPeerUnverifiedException;import java.security.Principal;import java.util.List; /** * Represents a cache response originally retrieved through secure * means, such as TLS. * * @since 1.5 */public abstract class SecureCacheResponse extends CacheResponse {    /**     * Returns the cipher suite in use on the original connection that     * retrieved the network resource.     *     * @return a string representing the cipher suite     */    public abstract String getCipherSuite();     /**     * Returns the certificate chain that were sent to the server during     * handshaking of the original connection that retrieved the     * network resource.  Note: This method is useful only     * when using certificate-based cipher suites.     *     * @return an immutable List of Certificate representing the     *           certificate chain that was sent to the server. If no     *           certificate chain was sent, null will be returned.     * @see #getLocalPrincipal()     */    public abstract List<Certificate> getLocalCertificateChain();     /**     * Returns the server's certificate chain, which was established as     * part of defining the session in the original connection that     * retrieved the network resource, from cache.  Note: This method     * can be used only when using certificate-based cipher suites;     * using it with non-certificate-based cipher suites, such as     * Kerberos, will throw an SSLPeerUnverifiedException.     *     * @return an immutable List of Certificate representing the server's     *         certificate chain.     * @throws SSLPeerUnverifiedException if the peer is not verified.     * @see #getPeerPrincipal()     */    public abstract List<Certificate> getServerCertificateChain()        throws SSLPeerUnverifiedException;     /**     * Returns the server's principal which was established as part of     * defining the session during the original connection that     * retrieved the network resource.     *     * @return the server's principal. Returns an X500Principal of the     * end-entity certiticate for X509-based cipher suites, and     * KerberosPrincipal for Kerberos cipher suites.     *     * @throws SSLPeerUnverifiedException if the peer was not verified.     *     * @see #getServerCertificateChain()     * @see #getLocalPrincipal()     */     public abstract Principal getPeerPrincipal()             throws SSLPeerUnverifiedException;     /**      * Returns the principal that was sent to the server during      * handshaking in the original connection that retrieved the      * network resource.      *      * @return the principal sent to the server. Returns an X500Principal      * of the end-entity certificate for X509-based cipher suites, and      * KerberosPrincipal for Kerberos cipher suites. If no principal was      * sent, then null is returned.      *      * @see #getLocalCertificateChain()      * @see #getPeerPrincipal()      */     public abstract Principal getLocalPrincipal();}