001    /**
002     * Copyright (c) 2000-2013 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.servlet.filters.threaddump;
016    
017    import com.liferay.portal.kernel.log.Log;
018    import com.liferay.portal.kernel.log.LogFactoryUtil;
019    import com.liferay.portal.kernel.log.SanitizerLogWrapper;
020    import com.liferay.portal.kernel.util.ThreadUtil;
021    
022    /**
023     * @author Shuyang Zhou
024     * @author Brian Wing Shun Chan
025     */
026    public class ThreadDumper implements Runnable {
027    
028            public boolean isExecuted() {
029                    return _executed;
030            }
031    
032            @Override
033            public void run() {
034                    if (_log.isInfoEnabled()) {
035                            Log log = SanitizerLogWrapper.allowCRLF(_log);
036    
037                            log.info(ThreadUtil.threadDump());
038                    }
039                    else {
040                            Class<?> clazz = getClass();
041    
042                            _log.error(
043                                    "Thread dumps require the log level to be at least INFO for " +
044                                            clazz.getName());
045                    }
046    
047                    _executed = true;
048            }
049    
050            private static Log _log = LogFactoryUtil.getLog(ThreadDumper.class);
051    
052            private boolean _executed;
053    
054    }