001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.events;
016    
017    import com.liferay.portal.kernel.events.Action;
018    import com.liferay.portal.kernel.log.Log;
019    import com.liferay.portal.kernel.log.LogFactoryUtil;
020    
021    import java.text.NumberFormat;
022    
023    import javax.servlet.http.HttpServletRequest;
024    import javax.servlet.http.HttpServletResponse;
025    
026    /**
027     * @author Brian Wing Shun Chan
028     */
029    public class LogMemoryUsageAction extends Action {
030    
031            public void run(HttpServletRequest request, HttpServletResponse response) {
032                    Runtime runtime = Runtime.getRuntime();
033    
034                    NumberFormat nf = NumberFormat.getInstance();
035    
036                    String freeMemory = nf.format(runtime.freeMemory());
037                    String totalMemory = nf.format(runtime.totalMemory());
038                    String maxMemory = nf.format(runtime.maxMemory());
039    
040                    if (_log.isDebugEnabled()) {
041                            _log.debug(
042                                    "Memory Usage:\t" + freeMemory + "\t" + totalMemory + "\t" +
043                                            maxMemory);
044                    }
045            }
046    
047            private static Log _log = LogFactoryUtil.getLog(LogMemoryUsageAction.class);
048    
049    }