LogFactory.java

package com.github.walker.easydb.assistant;

import org.apache.log4j.Logger;
import org.apache.log4j.PropertyConfigurator;

import java.net.URL;

/**
 * Logger Factory that based on log4j .
 *
 * @author HuQingmiao
 */
public class LogFactory {

    // config file of log4j
    private static String CONFIG_FILENAME = "log4j.properties";

    private static URL url = LogFactory.class.getClassLoader().getResource(CONFIG_FILENAME);

    public static final String MODULE_EASYDB = "easydb";

    /**
     * 获取日志记录器
     *
     * @param moduleName 模块名称或日志前缀名称
     * @return the Logger
     */
    public static Logger getLogger(String moduleName) {
        Logger logger = null;

        if (!moduleName.equalsIgnoreCase(MODULE_EASYDB)) {
            logger = Logger.getLogger(MODULE_EASYDB);
        } else {
            logger = Logger.getLogger(moduleName);
        }

        PropertyConfigurator.configure(url);

        return logger;
    }

    public static Logger getLogger(Class<?> clazz) {
        Logger logger = Logger.getLogger(clazz);
        PropertyConfigurator.configure(url);

        return logger;
    }

}