behdlog.java

在机器上开一个端口,代理客户端的数据库请求,用在资源有限的终端访问大型数据库上使用,使用jdbc连接orcle, 客户端使用标准的socket即可

package com.behd.db;

import org.apache.log4j.PropertyConfigurator;
import org.apache.log4j.Logger;
import java.io.*;
import java.util.*;

public class behdLog {
	static behdLog instance_behdLog = null;
	public static boolean bLogStdOut = false;
	private  behdLog(){
		InputStream is_log4j = getClass().getResourceAsStream("log4j.properties");
		Properties Props_log4j = new Properties();
		try{
			Props_log4j.load(is_log4j);
		}catch(IOException e){
			System.out.println("log4j 初始化错误");
		}
		PropertyConfigurator.configure(Props_log4j);
		instance_behdLog = this;
	}
	
	public static void log(String mess){
		if(instance_behdLog == null){
			new behdLog();
		}
		if(bLogStdOut){
			System.out.println(mess);
		}
		Logger log = Logger.getLogger("com.cmcc.album.ContextListener");
		log.info(mess);
	}
	
	public static void log(String poolName, String mess){
		if(instance_behdLog == null){
			new behdLog();
		}
		if(bLogStdOut){
			System.out.println("连接池:" + poolName + " 信息:"+ mess);
		}
		Logger log = Logger.getLogger("com.cmcc.album.ContextListener");
		log.info("连接池:" + poolName + " 信息:"+ mess);
	}
	
	public static void log(Exception e){
		if(instance_behdLog == null){
			new behdLog();
		}
		if(bLogStdOut){
			e.printStackTrace(System.out);
		}
		Logger log = Logger.getLogger("com.cmcc.album.ContextListener");
		log.error("异常",e);
	}
	
	public static void main(String[] arg ){
		System.out.println("Strart");
		behdLog.log("erwtwertwerrtw");
		System.out.println("end");
	}
}