001    /**
002     * Copyright (c) 2000-present 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.convert;
016    
017    import com.liferay.portal.kernel.log.Log;
018    import com.liferay.portal.kernel.log.LogFactoryUtil;
019    import com.liferay.portal.util.MaintenanceUtil;
020    
021    import org.apache.commons.lang.time.StopWatch;
022    
023    /**
024     * @author Alexander Chow
025     */
026    public abstract class BaseConvertProcess implements ConvertProcess {
027    
028            @Override
029            public void convert() throws ConvertException {
030                    try {
031                            if (getPath() != null) {
032                                    return;
033                            }
034    
035                            StopWatch stopWatch = new StopWatch();
036    
037                            stopWatch.start();
038    
039                            if (_log.isInfoEnabled()) {
040                                    _log.info("Starting conversion for " + getClass().getName());
041                            }
042    
043                            doConvert();
044    
045                            if (_log.isInfoEnabled()) {
046                                    _log.info(
047                                            "Finished conversion for " + getClass().getName() + " in " +
048                                                    stopWatch.getTime() + " ms");
049                            }
050                    }
051                    catch (Exception e) {
052                            throw new ConvertException(e);
053                    }
054                    finally {
055                            setParameterValues(null);
056    
057                            MaintenanceUtil.cancel();
058                    }
059            }
060    
061            @Override
062            public String getConfigurationErrorMessage() {
063                    return null;
064            }
065    
066            @Override
067            public abstract String getDescription();
068    
069            @Override
070            public String getParameterDescription() {
071                    return null;
072            }
073    
074            @Override
075            public String[] getParameterNames() {
076                    return null;
077            }
078    
079            public String[] getParameterValues() {
080                    return _paramValues;
081            }
082    
083            @Override
084            public String getPath() {
085                    return null;
086            }
087    
088            @Override
089            public abstract boolean isEnabled();
090    
091            @Override
092            public void setParameterValues(String[] values) {
093                    _paramValues = values;
094            }
095    
096            /**
097             * @throws ConvertException
098             */
099            @Override
100            public void validate() throws ConvertException {
101            }
102    
103            protected abstract void doConvert() throws Exception;
104    
105            private static final Log _log = LogFactoryUtil.getLog(
106                    BaseConvertProcess.class);
107    
108            private String[] _paramValues = null;
109    
110    }