| ShutdownHook.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 *
5 *
6 *
7 * The contents of this file are subject to the terms of the Liferay Enterprise
8 * Subscription License ("License"). You may not use this file except in
9 * compliance with the License. You can obtain a copy of the License by
10 * contacting Liferay, Inc. See the License for the specific language governing
11 * permissions and limitations under the License, including but not limited to
12 * distribution rights 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 public class ShutdownHook implements Runnable {
35
36 public void run() {
37 if (GetterUtil.getBoolean(
38 System.getProperty("shutdown.hook.print.full.thread.dump"))) {
39
40 printFullThreadDump();
41 }
42 }
43
44 protected void printFullThreadDump() {
45 StringBuilder sb = new StringBuilder();
46
47 sb.append("Full thread dump ");
48 sb.append(System.getProperty("java.vm.name"));
49 sb.append(" ");
50 sb.append(System.getProperty("java.vm.version"));
51 sb.append("\n\n");
52
53 Map<Thread, StackTraceElement[]> stackTraces =
54 Thread.getAllStackTraces();
55
56 for (Thread thread : stackTraces.keySet()) {
57 StackTraceElement[] elements = stackTraces.get(thread);
58
59 sb.append("\"");
60 sb.append(thread.getName());
61 sb.append("\"");
62
63 if (thread.getThreadGroup() != null) {
64 sb.append(" (");
65 sb.append(thread.getThreadGroup().getName());
66 sb.append(")");
67 }
68
69 sb.append(", priority=");
70 sb.append(thread.getPriority());
71 sb.append(", id=");
72 sb.append(thread.getId());
73 sb.append(", state=");
74 sb.append(thread.getState());
75 sb.append("\n");
76
77 for (int i = 0; i < elements.length; i++) {
78 sb.append("\t");
79 sb.append(elements[i]);
80 sb.append("\n");
81 }
82
83 sb.append("\n");
84 }
85
86 System.out.println(sb);
87 }
88
89 }