logger.java

ftp client with java

/*
 * 10/01/2001 - 15:52:00
 *
 * FtpGUI - Ftp client written in Java
 * Copyright (C) 2001 Kostadin Kirilov Kostadinov
 * [e-mail]
 * sourceforge.net
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

package ftpgui;

/**
 * Title:        FtpGUI
 * Description:
 * Copyright:    Copyright (c) 2001
 * Company:
 * @author
 * @version 1.0
 */

import java.io.*;

public class Logger
{
    private static Logger m_objLogger=null;
    private static boolean m_booStoreToLogFile=true;
    private static String m_strFileName=null;//"\\Logfile.txt";
    PrintWriter m_objFileOutputStream=null;
    byte m_bytearEndLine[]="\r\n".getBytes();
    public Logger()
    {
        if(!m_booStoreToLogFile)
            return;
        init();
    }

    private void init()
    {
		try
		{
            if(m_strFileName==null)
            {
                m_booStoreToLogFile=false;
                if(m_objFileOutputStream!=null)
                    m_objFileOutputStream.close();
                m_objFileOutputStream=null;
                return;
            }
			m_objFileOutputStream=new PrintWriter(
						new FileOutputStream(m_strFileName));
//			m_objFileOutputStream.close();
        }catch(Exception e){e.printStackTrace();}
    }

    public static void setLogingInFile(boolean booStoreToLogFile)
    {
        m_booStoreToLogFile=booStoreToLogFile;
        if(m_booStoreToLogFile)
        {
            if(m_objLogger!=null)
                m_objLogger.init();
            else
                m_objLogger=new Logger();
        }
    }

    public static void setLogFileName(String strFileName)
    {
        m_strFileName=strFileName;
    }

    public void logToFile(String str)
    {
        if(m_objFileOutputStream!=null && m_booStoreToLogFile)
        {
            try
            {
                m_objFileOutputStream.println(str);//.getBytes());
                //m_objFileOutputStream.println(m_bytearEndLine);
                m_objFileOutputStream.flush();
            }catch(Exception e){e.printStackTrace();}
        }
    }

    public void logToScreen(String str)
    {
        System.out.println(str);
    }

    public static void log(String str)
    {
        str=(new java.util.Date()).toLocaleString()+" "+str;
        if(m_objLogger==null)
        {
            m_objLogger=new Logger();
        }
        m_objLogger.logToFile(str);
        m_objLogger.logToScreen(str);
    }

    public static void log(Exception e)
    {
        ByteArrayOutputStream objByteArrayOutputStream=new ByteArrayOutputStream();
        PrintStream ojbPrintStream=new PrintStream(objByteArrayOutputStream);
        e.printStackTrace(ojbPrintStream);
        String strRet=objByteArrayOutputStream.toString();
        ojbPrintStream.close();
        if(m_objLogger==null)
        {
            m_objLogger=new Logger();;
        }
        m_objLogger.logToFile(strRet);
        m_objLogger.logToScreen(strRet);
    }
}