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 import com.liferay.portal.kernel.events.ActionException; 27 28 import java.text.NumberFormat; 29 30 import javax.servlet.http.HttpServletRequest; 31 import javax.servlet.http.HttpServletResponse; 32 33 import org.apache.commons.logging.Log; 34 import org.apache.commons.logging.LogFactory; 35 36 /** 37 * <a href="LogMemoryUsageAction.java.html"><b><i>View Source</i></b></a> 38 * 39 * @author Brian Wing Shun Chan 40 * 41 */ 42 public class LogMemoryUsageAction extends Action { 43 44 public void run(HttpServletRequest req, HttpServletResponse res) 45 throws ActionException { 46 47 Runtime runtime = Runtime.getRuntime(); 48 49 NumberFormat nf = NumberFormat.getInstance(); 50 51 String freeMemory = nf.format(runtime.freeMemory()); 52 String totalMemory = nf.format(runtime.totalMemory()); 53 String maxMemory = nf.format(runtime.maxMemory()); 54 55 if (_log.isDebugEnabled()) { 56 _log.debug( 57 "Memory Usage:\t" + freeMemory + "\t" + totalMemory + "\t" + 58 maxMemory); 59 } 60 } 61 62 private static Log _log = LogFactory.getLog(LogMemoryUsageAction.class); 63 64 }