logger.java

来自「cnc网通小灵通网关接口源码」· Java 代码 · 共 102 行

package cncgw.log;

/**
 * <p>Title: cncGateWay</p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: gramsoft</p>
 * @author lee
 * @version 1.0
 */

import java.io.File;
import org.apache.log4j.*;


public class Logger {
  private static Logger log = null;
  private static Object logLock = new Object();
  public static String LoggerConfigFile = "conf\\LoggerConf.properties";

  //系统的主日志
  private static org.apache.log4j.Category sysLogger  = null;
  //消息日志
  private static org.apache.log4j.Category msgLogger = null;
  //数据库连接日志
  private static org.apache.log4j.Category feeLogger = null;
  //错误日志
  private static org.apache.log4j.Category errorLogger = null;

  /**
   * 该构造方法用来给整个系统产生一个日志对象，该对象由系统日志对象和消息日志对象
   * 组成。
   * @return
   */
  private Logger() {

      try {
      PropertyConfigurator.configure (LoggerConfigFile);
      sysLogger = Category.getInstance("系统信息");
      feeLogger = Category.getInstance("计费信息");
      errorLogger = Category.getInstance("错误信息");
      msgLogger = Category.getInstance("普通信息");


    } catch (Exception e) {}

  }

  public static Category getSysLogger() {
    if (log == null) {
      synchronized(logLock) {
        if (log == null) {
          log = new Logger();
        }
      }
    }
    return sysLogger;
  }

  public static Category getFeeLogger() {
    if (log == null) {
      synchronized(logLock) {
        if (log == null) {
          log = new Logger();
        }
      }
    }
    return feeLogger;
  }

  public static Category getErrorLogger() {
    if (log == null) {
      synchronized(logLock) {
        if (log == null) {
          log = new Logger();
        }
      }
    }
    return errorLogger;
  }



  public static Category getMsgLogger() {
    if (log == null) {
      synchronized(logLock) {
        if (log == null) {
          log = new Logger();
        }
      }
    }
    return msgLogger;
  }


  public static void main(String[] args) {
    Logger.getFeeLogger().info("Hello");
    Logger.getMsgLogger().info("Hello");
    Logger.getErrorLogger().info("Hello");
    Logger.getSysLogger().info("Hello");
   }
}