com.qspin.qtaste.config.TestEngineConfiguration.java Source code

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Here is the source code for com.qspin.qtaste.config.TestEngineConfiguration.java

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/*
Copyright 2007-2009 QSpin - www.qspin.be
    
This file is part of QTaste framework.
    
QTaste 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 3 of the License, or
(at your option) any later version.
    
QTaste 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.
    
You should have received a copy of the GNU Lesser General Public License
along with QTaste. If not, see <http://www.gnu.org/licenses/>.
*/

package com.qspin.qtaste.config;

import org.apache.commons.configuration.ConfigurationException;
import org.apache.log4j.Logger;

import com.qspin.qtaste.util.Log4jLoggerFactory;

/**
 * This class is responsible for providing TestEngine parameters
 * @author lvboque
 */
@SuppressWarnings("serial")
public class TestEngineConfiguration extends XMLConfiguration {

    private static Logger logger = Log4jLoggerFactory.getLogger(TestEngineConfiguration.class);
    private static TestEngineConfiguration instance;
    private static final String DEFAULT_CONF_FILE = StaticConfiguration.CONFIG_DIRECTORY + "/engine.xml";
    private static String confFile = DEFAULT_CONF_FILE;

    private TestEngineConfiguration() throws ConfigurationException {
        super(confFile);
    }

    /**
     * Get an instance of the TestEngineConfiguration. By default, it uses the default configuration file.
     * setConfFile method can be used to specified another configuration file.
     * @return The TestEngineConfiguration.
     */
    synchronized public static TestEngineConfiguration getInstance() {
        try {
            if (instance == null) {
                instance = new TestEngineConfiguration();
            }
            return instance;
        } catch (ConfigurationException e) {
            logger.fatal("Cannot load configuration", e);
        }
        return null;
    }

    /**
    * Set the configuration file to the specified confFile.
    * @param confFile The configuration file.
    */
    public static void setConfigFile(String confFile) {
        TestEngineConfiguration.confFile = confFile;
        instance = null;
    }
}