| LogMemoryUsageAction.java |
1 /**
2 * Copyright (c) 2000-2008 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.events.Action;
26
27 import java.text.NumberFormat;
28
29 import javax.servlet.http.HttpServletRequest;
30 import javax.servlet.http.HttpServletResponse;
31
32 import org.apache.commons.logging.Log;
33 import org.apache.commons.logging.LogFactory;
34
35 /**
36 * <a href="LogMemoryUsageAction.java.html"><b><i>View Source</i></b></a>
37 *
38 * @author Brian Wing Shun Chan
39 *
40 */
41 public class LogMemoryUsageAction extends Action {
42
43 public void run(HttpServletRequest request, HttpServletResponse response) {
44 Runtime runtime = Runtime.getRuntime();
45
46 NumberFormat nf = NumberFormat.getInstance();
47
48 String freeMemory = nf.format(runtime.freeMemory());
49 String totalMemory = nf.format(runtime.totalMemory());
50 String maxMemory = nf.format(runtime.maxMemory());
51
52 if (_log.isDebugEnabled()) {
53 _log.debug(
54 "Memory Usage:\t" + freeMemory + "\t" + totalMemory + "\t" +
55 maxMemory);
56 }
57 }
58
59 private static Log _log = LogFactory.getLog(LogMemoryUsageAction.class);
60
61 }