1 /*
 2  * Copyright (c) 2016, 2024, 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 package jdk.jfr.internal;
26 
27 import java.util.Map;
28 import java.util.concurrent.ConcurrentHashMap;
29 
30 import jdk.jfr.events.DeserializationEvent;
31 import jdk.jfr.events.ErrorThrownEvent;
32 import jdk.jfr.events.ExceptionStatisticsEvent;
33 import jdk.jfr.events.ExceptionThrownEvent;
34 import jdk.jfr.events.FileForceEvent;
35 import jdk.jfr.events.FileReadEvent;
36 import jdk.jfr.events.FileWriteEvent;
37 import jdk.jfr.events.ProcessStartEvent;
38 import jdk.jfr.events.SecurityPropertyModificationEvent;
39 import jdk.jfr.events.SecurityProviderServiceEvent;
40 import jdk.jfr.events.SerializationMisdeclarationEvent;
41 import jdk.jfr.events.SocketReadEvent;
42 import jdk.jfr.events.SocketWriteEvent;
43 import jdk.jfr.events.TLSHandshakeEvent;
44 import jdk.jfr.events.ThreadSleepEvent;
45 import jdk.jfr.events.VirtualThreadEndEvent;
46 import jdk.jfr.events.VirtualThreadStartEvent;
47 import jdk.jfr.events.VirtualThreadSubmitFailedEvent;
48 import jdk.jfr.events.X509CertificateEvent;
49 import jdk.jfr.events.X509ValidationEvent;
50 import jdk.jfr.internal.util.Utils;
51 
52 /**
53  * This class registers all mirror events.
54  */
55 final class MirrorEvents {
56     private static final Map<String, Class<? extends MirrorEvent>> mirrorLookup = new ConcurrentHashMap<>();
57 
58     // Add mirror event mapping here. See MirrorEvent class for details.
59     static {
60         register("jdk.internal.event.DeserializationEvent", DeserializationEvent.class);
61         register("jdk.internal.event.FileForceEvent", FileForceEvent.class);
62         register("jdk.internal.event.FileReadEvent", FileReadEvent.class);
63         register("jdk.internal.event.FileWriteEvent", FileWriteEvent.class);
64         register("jdk.internal.event.ProcessStartEvent", ProcessStartEvent.class);
65         register("jdk.internal.event.SecurityPropertyModificationEvent", SecurityPropertyModificationEvent.class);
66         register("jdk.internal.event.SecurityProviderServiceEvent", SecurityProviderServiceEvent.class);
67         register("jdk.internal.event.SerializationMisdeclarationEvent", SerializationMisdeclarationEvent.class);
68         register("jdk.internal.event.SocketReadEvent", SocketReadEvent.class);
69         register("jdk.internal.event.SocketWriteEvent", SocketWriteEvent.class);
70         register("jdk.internal.event.ThreadSleepEvent", ThreadSleepEvent.class);
71         register("jdk.internal.event.TLSHandshakeEvent", TLSHandshakeEvent.class);
72         register("jdk.internal.event.VirtualThreadStartEvent", VirtualThreadStartEvent.class);
73         register("jdk.internal.event.VirtualThreadEndEvent", VirtualThreadEndEvent.class);
74         register("jdk.internal.event.VirtualThreadSubmitFailedEvent", VirtualThreadSubmitFailedEvent.class);
75         register("jdk.internal.event.X509CertificateEvent", X509CertificateEvent.class);
76         register("jdk.internal.event.X509ValidationEvent", X509ValidationEvent.class);
77         register("jdk.internal.event.ErrorThrownEvent", ErrorThrownEvent.class);
78         register("jdk.internal.event.ExceptionStatisticsEvent", ExceptionStatisticsEvent.class);
79         register("jdk.internal.event.ExceptionThrownEvent", ExceptionThrownEvent.class);
80     };
81 
82     private static void register(String eventClassName, Class<? extends MirrorEvent> mirrorClass) {
83         mirrorLookup.put(eventClassName, mirrorClass);
84     }
85 
86     static Class<? extends MirrorEvent> find(Class<? extends jdk.internal.event.Event> eventClass) {
87         return find(Utils.isJDKClass(eventClass), eventClass.getName());
88     }
89 
90     static Class<? extends MirrorEvent> find(boolean bootClassLoader, String name) {
91         if (bootClassLoader) {
92             return mirrorLookup.get(name);
93         }
94         return null;
95     }
96 }