1 /* 2 * Copyright (c) 2020, Oracle and/or its affiliates. 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package sun.security.util; 27 28 /** 29 * This class implements an event model with services for reporter and listener. 30 * Reporter uses report() method to generate an event. 31 * Listener uses setReportListener() to register for listening to an event, 32 * and uses clearReportListener() to unregister a listening session. 33 * Listener should implement the event handling of the Reporter interface. 34 */ 35 public final class Event { 36 private Event() {} 37 38 public enum ReporterCategory { 39 CRLCHECK(), 40 POSIXPERMS(); 41 42 private Reporter reporter; 43 } 44 45 public interface Reporter { 46 public void handle(String type, Object... args); 47 } 48 49 public static void setReportListener(ReporterCategory cat, Reporter re) { 50 cat.reporter = re; 51 } 52 53 public static void clearReportListener(ReporterCategory cat) { 54 cat.reporter = null; 55 } 56 57 public static void report(ReporterCategory cat, String type, Object... args) { 58 Reporter currentReporter = cat.reporter; 59 60 if (currentReporter != null) { 61 currentReporter.handle(type, args); 62 } 63 } 64 }