source: osm/applications/editors/josm/plugins/slippy_map_chooser/src/Logger.java@ 7199

// License: GPL. Copyright 2007 by Tim Haussmann

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;


/**
 * 
 * @author Tim Haussmann
 */

public class Logger {

        private static Logger iSelf;
        
        private File iLogFile;
        private FileOutputStream iFout;
        
        private Logger(String aLogFilePath){
                if(aLogFilePath != null && !aLogFilePath.equals(""))
                        iLogFile = new File(aLogFilePath);
                else
                        iLogFile = new File("c:/LogFile.txt");
                
                try {
                        iFout = new FileOutputStream(iLogFile, false);
                } catch (FileNotFoundException e) {
                        e.printStackTrace();
                }
        }
        
        public static void log(String aMessage){
                if(iSelf == null)
                        iSelf = new Logger(null);
                iSelf.logMessage(aMessage);
        }
        
        public static void close(){
                iSelf.saveLog();
                iSelf = null;
        }
        
        private void saveLog() {
                try {
                        iFout.flush();
                        iFout.close();
                } catch (IOException e) {
                        e.printStackTrace();
                }
        }
        
        public static void setLogFile(String aLogFilePath){
                iSelf = new Logger(aLogFilePath);
        }

        private void logMessage(String aMessage){
                try {
                        iFout.write((aMessage + "\n").getBytes());
                        iFout.flush();
                } catch (IOException e) {
                        e.printStackTrace();
                }               
        }
}