根据Session区分的日志系统.

于 2010-06-21 10:29:38 发布
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文章标签： log4j Apache Servlet 三星 UP
[b]前一阵,被经理安排了个任务,,就是在现有项目中加入日志,但是要根据Session的值来区分日志文件.用LOG4J实现不了..哎 怒了...自己重写了一个....

具体需求:
1,按这个分公司编号创建文件夹
2,按部门号+日期创建LOG文件
3,当日志文件大于指定SIZE时拷贝文件 [/b]

[b]各位多提一提意见,,, 本人技术有限, 有些地方的可能存在错误,我想不到的! 请各位指正啊!![/b]


[b]Log.java[/b]
package org.dhcc.fm.log;

import java.text.SimpleDateFormat;
import java.util.Date;

import javax.servlet.http.HttpSession;
/**
 * 日志类
 * @author lishengxi
 *
 */
public class Log  {
	private LogFile tf = null;
	public Log(HttpSession session){
		tf = new LogFile(session);
	}
	public String logForMat(){
		SimpleDateFormat format = new SimpleDateFormat("yyyy年MM月dd日-HH点mm分ss秒");
		String newDate = format.format(new Date());
		return newDate+",发生错误:";
	}
	public void error(String mss){
		try {
			tf.write(logForMat()+mss);
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	public void error(String mss,Exception et){
		try {
			tf.write(logForMat()+mss,et);
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}


}

[b]LogFactory.java[/b]

package org.dhcc.fm.log;

import javax.servlet.http.HttpSession;
/**
 * 日志工厂类
 * @author lishengxi
 *
 */
public class LogFactory {
	public static Log createLog(HttpSession session){
		Log log = new Log(session);
		return log;
	}
}


[b]LogFile.java[/b]
package org.dhcc.fm.log;

import java.io.File;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.OutputStream;
import java.io.OutputStreamWriter;

import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Date;

import javax.servlet.http.HttpSession;
/**
 * 日志文件操作类
 * @author lishengxi
 */
public class LogFile {
	private static String logpath = LogProperties.LOG_FM_FILE_PATH; 
	private static String fileH = LogProperties.LOG_FM_FILE_TYPE; 
	private static long length = LogProperties.LOG_FM_FILE_SIZE;
	private static String department = LogProperties.LOG_FM_SESSION_DEPARTMENT;
	private static String upbrno = LogProperties.LOG_FM_SESSION_UPBRNO;
	private static String encoding = LogProperties.LOG_FM_FILE_ENCODING;
	private String _fileName;
	private String up_br_no;
	private long count;
	public String getUp_br_no() {
		return up_br_no;
	}
	public void setUp_br_no(String upBrNo) {
		up_br_no = upBrNo;
	}
	public LogFile(HttpSession session){
		String temp = session.getAttribute(department).toString();
		if(temp!=null&&!temp.equals("")){
			_fileName = temp;
			up_br_no =  session.getAttribute(upbrno).toString();
		}
		newFolder();
		newFile();
	}
	public void newFolder(){
		try
		{
			String filePath = logpath+"\\"+getUp_br_no();
			filePath = filePath.toString();
			File myFilePath = new File(filePath);
			if(!myFilePath.exists()){
				myFilePath.mkdir();
			}
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
	}
	public void newFile(){
		try{
			String filePath = logpath+"\\"+getUp_br_no()+"\\"+getLogFile(_fileName)+fileH;
			File myFilePath = new File(filePath);
			if (!myFilePath.exists()){

				myFilePath.createNewFile();
			}
		}
		catch (Exception e){
			e.printStackTrace();
		}
	}
	public void rollOver() {
		File myFilePath = new File(logpath+"\\"+getUp_br_no()+"\\"+getLogFile(_fileName)+fileH);
		File target = new File(logpath+"\\"+getUp_br_no()+"\\"+getTLogFile(_fileName)+fileH);
		if(myFilePath.length()>length){
			myFilePath.renameTo(target);
		}
	}
	public void write(String str,Exception e) throws Exception{
		this.rollOver();
		File myFilePath = new File(logpath+"\\"+getUp_br_no()+"\\"+getLogFile(_fileName)+fileH);
		FileOutputStream fos = new FileOutputStream(myFilePath,true);
		OutputStreamWriter osw = new OutputStreamWriter(fos,encoding);
		PrintWriter myFile = new PrintWriter(osw);
		myFile.println(str);
		e.printStackTrace(myFile);
		myFile.close();
		osw.close();
		fos.close();
	}
	public void write(String str) throws Exception{
		this.rollOver();
		File myFilePath = new File(logpath+"\\"+getUp_br_no()+"\\"+getLogFile(_fileName)+fileH);
		FileOutputStream fos = new FileOutputStream(myFilePath,true);
		OutputStreamWriter osw = new OutputStreamWriter(fos,encoding);
		PrintWriter myFile = new PrintWriter(osw);
		myFile.println(str);
		myFile.close();
		osw.close();
		fos.close();
	}
	private String getLogFile(String fileName){
		SimpleDateFormat format = new SimpleDateFormat("yyyy年MM月dd日");
		return fileName+"_"+format.format(new Date());
	}
	private String getTLogFile(String fileName){
		SimpleDateFormat format = new SimpleDateFormat("HH点mm分ss秒");
		return getLogFile(fileName)+"_"+format.format(new Date());
	}
}

[b]LogProperties.java[/b]
package org.dhcc.fm.log;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
/**
 * 日志属性类
 * @author lishengxi
 *
 */
public class LogProperties {
	private static final String LOGFILE = "LOG.properties"; //默认日志配置文件
	public static String LOG_FM_FILE_PATH = "";//日志保存路径
	public static String LOG_FM_FILE_TYPE = "";//日志文件类型
	public static String LOG_FM_FILE_ENCODING = "";//日志文件编码
	public static long LOG_FM_FILE_SIZE = 0;//日志文件大小
	public static String LOG_FM_SESSION_DEPARTMENT = "";//部门
	public static String LOG_FM_SESSION_UPBRNO = "";//机构

	static{
		//获取ClassPath下的日志配置文件
		InputStream is1 = Thread.currentThread().getContextClassLoader().getResourceAsStream(LOGFILE);
		Properties p = new Properties();
		try {
			p.load(is1);
			LOG_FM_FILE_PATH = p.getProperty("log.fm.file.path");
			LOG_FM_FILE_TYPE = p.getProperty("log.fm.file.type");
			LOG_FM_FILE_SIZE = LogUtil.toFileSize(p.getProperty("log.fm.file.size"),1024);
			LOG_FM_FILE_ENCODING = p.getProperty("log.fm.file.type.encoding");
			LOG_FM_SESSION_DEPARTMENT = p.getProperty("log.fm.session.department");
			LOG_FM_SESSION_UPBRNO = p.getProperty("log.fm.session.upbrno");


		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

}

[b]LogUtil.java[/b]
package org.dhcc.fm.log;

/**
 * 日志工具类
 * @author lishengxi
 *
 */
public class LogUtil {
	/**
	 * 转换文件大小      2MB  =  1024*1024*2
	 * @param value
	 * @param dEfault
	 * @return
	 */
	public static long toFileSize(String value, long dEfault) {
	    if(value == null)
	      return dEfault;
	    String s = value.trim().toUpperCase();
	    long multiplier = 1;
	    int index;
	    if((index = s.indexOf("KB")) != -1) {
	      multiplier = 1024;
	      s = s.substring(0, index);
	    }
	    else if((index = s.indexOf("MB")) != -1) {
	      multiplier = 1024*1024;
	      s = s.substring(0, index);
	    }
	    else if((index = s.indexOf("GB")) != -1) {
	      multiplier = 1024*1024*1024;
	      s = s.substring(0, index);
	    }
	    if(s != null) {
	      try {
	      		return Long.valueOf(s).longValue() * multiplier;
	      }
	      catch (NumberFormatException e) {
	    	  e.printStackTrace();
	      }
	    }
	    return dEfault;
	 }
}


[b]测试一下啊...!!!!!!!![/b]
package org.dhcc.fm.log;

import java.util.Enumeration;
import java.util.HashMap;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpSessionContext;
import org.dhcc.fm.log.*;

public class Test extends Thread {

	private String TName = "";
	public Test(String N){
		TName = N;
	}
	@Override
	public void run() {
		// TODO Auto-generated method stub

		 HttpSession session = new HttpSession() {
				HashMap sessionSop = new HashMap();
				public void setMaxInactiveInterval(int arg0) {
					// TODO Auto-generated method stub

				}

				public void setAttribute(String arg0, Object arg1) {
					// TODO Auto-generated method stub
					sessionSop.put(arg0, arg1);
				}

				public void removeValue(String arg0) {
					// TODO Auto-generated method stub

				}

				public void removeAttribute(String arg0) {
					// TODO Auto-generated method stub

				}

				public void putValue(String arg0, Object arg1) {
					// TODO Auto-generated method stub

				}

				public boolean isNew() {
					// TODO Auto-generated method stub
					return false;
				}

				public void invalidate() {
					// TODO Auto-generated method stub

				}

				public String[] getValueNames() {
					// TODO Auto-generated method stub
					return null;
				}

				public Object getValue(String arg0) {
					// TODO Auto-generated method stub
					return null;
				}

				public HttpSessionContext getSessionContext() {
					// TODO Auto-generated method stub
					return null;
				}

				public ServletContext getServletContext() {
					// TODO Auto-generated method stub
					return null;
				}

				public int getMaxInactiveInterval() {
					// TODO Auto-generated method stub
					return 0;
				}

				public long getLastAccessedTime() {
					// TODO Auto-generated method stub
					return 0;
				}

				public String getId() {
					// TODO Auto-generated method stub
					return null;
				}

				public long getCreationTime() {
					// TODO Auto-generated method stub
					return 0;
				}

				public Enumeration getAttributeNames() {
					// TODO Auto-generated method stub
					return null;
				}

				public Object getAttribute(String arg0) {
					// TODO Auto-generated method stub
					return sessionSop.get(arg0);
				}
			};
			session.setAttribute("department_name", "三星企划事业部");
			session.setAttribute("up_br_no", "010002");
			Log log = LogFactory.createLog(session);
			for(int i = 0 ; i < 10000 ; i ++){
				try {
					thorwsOut();
				} catch (Exception e) {
					// TODO Auto-generated catch block
					log.error("数据库连接错误!",e);
					e.printStackTrace();
				}

			}
	}
	public void thorwsOut() throws Exception{
		throw new Exception("数据连接格式不正确!..");
	}
	public static void main(String agrs[]){
		new Test("线程1").start();
		System.out.println("1--------");
		new Test("线程2").start();
		System.out.println("2--------");
		new Test("线程3").start();
		System.out.println("3--------");
	}

}

[b]忘了,要加入LOG.properties[/b]
log.fm.file.path = c:\\fm_log\\
log.fm.file.type = .log 
log.fm.file.size = 1MB
log.fm.file.type.encoding = UTF-8
log.fm.session.department = department_name
log.fm.session.upbrno = up_br_no

[b]效果就是[/b]
[img]http://dl.iteye.com/upload/picture/pic/65427/51d981f3-d016-3fa2-8d7f-69db862177b3.bmp[/img]
[b]完!!!![/b]
iteye_18551
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