com.liferay.portal.test.log.Log4JLoggerTestUtil.java Source code

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Here is the source code for com.liferay.portal.test.log.Log4JLoggerTestUtil.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.portal.test.log;

import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.log.LogWrapper;
import com.liferay.portal.kernel.test.ReflectionTestUtil;

import org.apache.log4j.Level;
import org.apache.log4j.Logger;

/**
 * @author Shuyang Zhou
 */
public class Log4JLoggerTestUtil {

    public static CaptureAppender configureLog4JLogger(String name, Level level) {

        LogWrapper logWrapper = (LogWrapper) LogFactoryUtil.getLog(name);

        Log log = logWrapper.getWrappedLog();

        Logger logger = null;

        try {
            logger = ReflectionTestUtil.getFieldValue(log, "_logger");
        } catch (Exception e) {
            throw new IllegalStateException("Log " + name + " is not a Log4j logger");
        }

        CaptureAppender captureAppender = new CaptureAppender(logger);

        logger.addAppender(captureAppender);

        logger.setLevel(level);

        return captureAppender;
    }

    public static Level setLoggerLevel(String name, Level level) {
        LogWrapper logWrapper = (LogWrapper) LogFactoryUtil.getLog(name);

        Log log = logWrapper.getWrappedLog();

        Logger logger = null;

        try {
            logger = ReflectionTestUtil.getFieldValue(log, "_logger");
        } catch (Exception e) {
            throw new IllegalStateException("Log " + name + " is not a Log4j logger");
        }

        Level oldLevel = logger.getLevel();

        logger.setLevel(level);

        return oldLevel;
    }

}