common.java~21~

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package common;

import org.apache.log4j.*;
/**
 *
 * <p>Title: Common</p>
 * <p>Description: 整个系统的公用信息</p>
 * <p>Copyright: Copyright (c) 2006</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class Common {
  private String jdbc_driver_name = "sun.jdbc.odbc.JdbcOdbcDriver";
  private String jdbc_url = "jdbc:odbc:superweekend";

  private static Common instance; //Common使用Singleton模式

  private Logger logger;

 private java.text.SimpleDateFormat dateFormat = new java.text.SimpleDateFormat("yyyy-MM-dd");


  public static Common getInstance(){
    if(instance == null){
      instance = new Common();
    }
    return instance;
  }

  public String getJdbc_driver_name() {
    return jdbc_driver_name;
  }

  public void setJdbc_driver_name(String jdbc_driver_name) {
    this.jdbc_driver_name = jdbc_driver_name;
  }

  public String getJdbc_url() {
    return jdbc_url;
  }

  public void setJdbc_url(String jdbc_url) {
    this.jdbc_url = jdbc_url;
  }






  public String toString(){
    StringBuffer buffer = new StringBuffer();
    buffer.append("\n");
    buffer.append(this.getJdbc_driver_name()+"\n");
    buffer.append(this.getJdbc_url()+"\n");
    return buffer.toString();
  }

  public java.text.SimpleDateFormat getDateFormat() {
    return dateFormat;
  }
  public Logger getLogger() {
    if(logger == null){
      logger = Logger.getRootLogger();
      System.out.println(logger.getAllAppenders());
    }
    return logger;
  }

}