1/* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package java.security.cert; 19 20/** 21 * This class represents Certificate Revocation Lists (CRLs) maintained by a 22 * certificate authority. They are used to indicate that a given Certificate has 23 * expired and consequently has become invalid. 24 * 25 * @see CertificateFactory 26 */ 27public abstract class CRL { 28 // The CRL type 29 private final String type; 30 31 /** 32 * Creates a new certificate revocation list of the specified type. 33 * 34 * @param type 35 * the type for the CRL. 36 */ 37 protected CRL(String type) { 38 this.type = type; 39 } 40 41 /** 42 * Returns the type of this CRL. 43 * 44 * @return the type of this CRL. 45 */ 46 public final String getType() { 47 return type; 48 } 49 50 /** 51 * Returns whether the specified certificate is revoked by this CRL. 52 * 53 * @param cert 54 * the certificate to check. 55 * @return {@code true} if the certificate is revoked by this CRL, otherwise 56 * {@code false}. 57 */ 58 public abstract boolean isRevoked(Certificate cert); 59 60 /** 61 * Returns the string representation of this instance. 62 * 63 * @return the string representation of this instance. 64 */ 65 public abstract String toString(); 66} 67