J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1998-2006 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package java.security.cert; |
| 27 | |
| 28 | /** |
| 29 | * This class is an abstraction of certificate revocation lists (CRLs) that |
| 30 | * have different formats but important common uses. For example, all CRLs |
| 31 | * share the functionality of listing revoked certificates, and can be queried |
| 32 | * on whether or not they list a given certificate. |
| 33 | * <p> |
| 34 | * Specialized CRL types can be defined by subclassing off of this abstract |
| 35 | * class. |
| 36 | * |
| 37 | * @author Hemma Prafullchandra |
| 38 | * |
| 39 | * |
| 40 | * @see X509CRL |
| 41 | * @see CertificateFactory |
| 42 | * |
| 43 | * @since 1.2 |
| 44 | */ |
| 45 | |
| 46 | public abstract class CRL { |
| 47 | |
| 48 | // the CRL type |
| 49 | private String type; |
| 50 | |
| 51 | /** |
| 52 | * Creates a CRL of the specified type. |
| 53 | * |
| 54 | * @param type the standard name of the CRL type. |
| 55 | * See Appendix A in the <a href= |
| 56 | * "../../../../technotes/guides/security/crypto/CryptoSpec.html#AppA"> |
| 57 | * Java Cryptography Architecture API Specification & Reference </a> |
| 58 | * for information about standard CRL types. |
| 59 | */ |
| 60 | protected CRL(String type) { |
| 61 | this.type = type; |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * Returns the type of this CRL. |
| 66 | * |
| 67 | * @return the type of this CRL. |
| 68 | */ |
| 69 | public final String getType() { |
| 70 | return this.type; |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * Returns a string representation of this CRL. |
| 75 | * |
| 76 | * @return a string representation of this CRL. |
| 77 | */ |
| 78 | public abstract String toString(); |
| 79 | |
| 80 | /** |
| 81 | * Checks whether the given certificate is on this CRL. |
| 82 | * |
| 83 | * @param cert the certificate to check for. |
| 84 | * @return true if the given certificate is on this CRL, |
| 85 | * false otherwise. |
| 86 | */ |
| 87 | public abstract boolean isRevoked(Certificate cert); |
| 88 | } |