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