1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * This library is free software; you can redistribute it and/or modify it under
5    * the terms of the GNU Lesser General Public License as published by the Free
6    * Software Foundation; either version 2.1 of the License, or (at your option)
7    * any later version.
8    *
9    * This library is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11   * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12   * details.
13   */
14  
15  package com.liferay.portal.events;
16  
17  import com.liferay.portal.kernel.events.Action;
18  import com.liferay.portal.kernel.log.Log;
19  import com.liferay.portal.kernel.log.LogFactoryUtil;
20  
21  import java.text.NumberFormat;
22  
23  import javax.servlet.http.HttpServletRequest;
24  import javax.servlet.http.HttpServletResponse;
25  
26  /**
27   * <a href="LogMemoryUsageAction.java.html"><b><i>View Source</i></b></a>
28   *
29   * @author Brian Wing Shun Chan
30   */
31  public class LogMemoryUsageAction extends Action {
32  
33      public void run(HttpServletRequest request, HttpServletResponse response) {
34          Runtime runtime = Runtime.getRuntime();
35  
36          NumberFormat nf = NumberFormat.getInstance();
37  
38          String freeMemory = nf.format(runtime.freeMemory());
39          String totalMemory = nf.format(runtime.totalMemory());
40          String maxMemory = nf.format(runtime.maxMemory());
41  
42          if (_log.isDebugEnabled()) {
43              _log.debug(
44                  "Memory Usage:\t" + freeMemory + "\t" + totalMemory + "\t" +
45                      maxMemory);
46          }
47      }
48  
49      private static Log _log = LogFactoryUtil.getLog(LogMemoryUsageAction.class);
50  
51  }