testndc.java

这是一个关于J2EE的开源包common里的许多组件的示例应用程序,可以借鉴.

/**
 * Title : Base Dict Class
 * Description : here Description is the function of class, here maybe multirows    
 * @author        <a href="mailto:[e-mail]">kevin</a> 
 * @Version       1.0 
 */

package log4j;

import java.util.logging.Level;

import org.apache.log4j.Logger;
import org.apache.log4j.NDC;

/**
 * Class description goes here.
 * @version 1.0  2005-10-12 
 * @author kevin
 */
public class TestNDC
{

	static Logger log = Logger.getLogger(TestNDC.class.getName());
	 public static void main(String[] args) {
	  log.info("Make sure %x is in your layout pattern!");
	  // 从客户端获得IP地址的例子
	  String[] ips = {"192.168.0.10","192.168.0.27"};
	  for (int i = 0; i<ips.length ; i++)  // 模拟一个运行方法
	  {
	   // 将IP放进 NDC中
	   NDC.push(ips[i]);
	   log.info("A NEW client connected, who's ip should appear in this log message.");
	   NDC.pop();
	   //NDC.
	  }
	  NDC.remove();
	  log.info("Finished.");
	  java.util.logging.Logger javaLog=java.util.logging.Logger.getLogger(TestNDC.class.getName());
	  //javaLog.setLevel(Level.WARNING );
	  javaLog.info("++++++++++++");
	 }

}