1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portal.events;
21  
22  import com.liferay.portal.kernel.events.Action;
23  import com.liferay.portal.kernel.log.Log;
24  import com.liferay.portal.kernel.log.LogFactoryUtil;
25  
26  import java.text.NumberFormat;
27  
28  import javax.servlet.http.HttpServletRequest;
29  import javax.servlet.http.HttpServletResponse;
30  
31  /**
32   * <a href="LogMemoryUsageAction.java.html"><b><i>View Source</i></b></a>
33   *
34   * @author Brian Wing Shun Chan
35   *
36   */
37  public class LogMemoryUsageAction extends Action {
38  
39      public void run(HttpServletRequest request, HttpServletResponse response) {
40          Runtime runtime = Runtime.getRuntime();
41  
42          NumberFormat nf = NumberFormat.getInstance();
43  
44          String freeMemory = nf.format(runtime.freeMemory());
45          String totalMemory = nf.format(runtime.totalMemory());
46          String maxMemory = nf.format(runtime.maxMemory());
47  
48          if (_log.isDebugEnabled()) {
49              _log.debug(
50                  "Memory Usage:\t" + freeMemory + "\t" + totalMemory + "\t" +
51                      maxMemory);
52          }
53      }
54  
55      private static Log _log = LogFactoryUtil.getLog(LogMemoryUsageAction.class);
56  
57  }