| ShutdownHook.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.portal.events;
24
25 import com.liferay.portal.kernel.util.GetterUtil;
26
27 import java.util.Map;
28
29 /**
30 * <a href="ShutdownHook.java.html"><b><i>View Source</i></b></a>
31 *
32 * @author Brian Wing Shun Chan
33 *
34 */
35 public class ShutdownHook implements Runnable {
36
37 public void run() {
38 if (GetterUtil.getBoolean(
39 System.getProperty("shutdown.hook.print.full.thread.dump"))) {
40
41 printFullThreadDump();
42 }
43 }
44
45 protected void printFullThreadDump() {
46 StringBuilder sb = new StringBuilder();
47
48 sb.append("Full thread dump ");
49 sb.append(System.getProperty("java.vm.name"));
50 sb.append(" ");
51 sb.append(System.getProperty("java.vm.version"));
52 sb.append("\n\n");
53
54 Map<Thread, StackTraceElement[]> stackTraces =
55 Thread.getAllStackTraces();
56
57 for (Thread thread : stackTraces.keySet()) {
58 StackTraceElement[] elements = stackTraces.get(thread);
59
60 sb.append("\"");
61 sb.append(thread.getName());
62 sb.append("\"");
63
64 if (thread.getThreadGroup() != null) {
65 sb.append(" (");
66 sb.append(thread.getThreadGroup().getName());
67 sb.append(")");
68 }
69
70 sb.append(", priority=");
71 sb.append(thread.getPriority());
72 sb.append(", id=");
73 sb.append(thread.getId());
74 sb.append(", state=");
75 sb.append(thread.getState());
76 sb.append("\n");
77
78 for (int i = 0; i < elements.length; i++) {
79 sb.append("\t");
80 sb.append(elements[i]);
81 sb.append("\n");
82 }
83
84 sb.append("\n");
85 }
86
87 System.out.println(sb);
88 }
89
90 }