package com.heaton.bot;import java.io.*;import java.util.*;/** * The log class is used to write out log * information. * * @author Jeff Heaton * @version 1.0 */public class Log {  /**   * Display the greatest amort of log information   * all info packets will be displayed.   */  public final static int LOG_LEVEL_DUMP = 1;  /**   *        Display enough information so that the   *        operation of the program could be traced.   */  public final static int LOG_LEVEL_TRACE = 2;  /**   * Normal level of logging.   */  public final static int LOG_LEVEL_NORMAL= 3;  /**   * Log only errors.   */  public final static int LOG_LEVEL_ERROR = 4;  /**   * Log nothing.   */  public final static int LOG_LEVEL_NONE = 5;  /**   * Are we logging to the console?   */  protected static boolean _log2console = true;  /**   * Are we logging to a file.   */  protected static boolean _log2file = false;  /**   * The path of the log file.   */  protected static String _path = "." +                                  File.pathSeparator + "log.txt";  /**   * What level to log to.   */  protected static int _level = LOG_LEVEL_NONE;  /**   * Construct the log object.   */  private Log()  {  }  /**   * Set the logging level.   *   * @param l      The logging level.   */  static public void setLevel(int l)  {    if ( (l==LOG_LEVEL_TRACE) ||         (l==LOG_LEVEL_NORMAL) ||         (l==LOG_LEVEL_NONE) ||         (l==LOG_LEVEL_DUMP) ||         (l==LOG_LEVEL_ERROR) ) {      _level = l;    } else {      _level = LOG_LEVEL_NORMAL;    }  }  /**   * Set the path to log to.   *   * @param s      The path to log to.   */  static public void setPath(String s)  {    _path = s;  }  /**   * Determines if file logging is   * enabled.   *   * @param b   */  static public void setFile(boolean b)  {    _log2file = b;  }  /**   * Determines if console logging   * is enabled.   *   * @param b      True if console logging is enabled.   */  static public void setConsole(boolean b)  {    _log2console = b;  }  /**   * Get the current logging level.   *   * @return The current logging level.   */  static public int getLevel()  {    return _level;  }  /**   * The log file path.   *   * @return The log file path.   */  static public String getPath()  {    return _path;  }  /**   * Get if console logging is enabled.   *   * @return Returns true if console logging   *         is enabled.   */  static public boolean getConsole()  {    return _log2console;  }  /**   * Determine if file logging is being used.   *   * @return True if file logging is enabled.   */  static public boolean getFile()  {    return _log2file;  }  /**   * Log an exception.   *   * @param event  The text to describe this log event.   * @param e      The exception.   */  static public void logException(String event,Exception e)  {    ByteArrayOutputStream bos = new ByteArrayOutputStream();    PrintStream ps = new PrintStream(bos);    e.printStackTrace(ps);    ps.close();    log(LOG_LEVEL_ERROR,event + e + ":" + bos);    try {      bos.close();    } catch ( IOException f ) {    }  }  /**   * Used to actually log an event.   *   * @param level  The level of this event.   * @param event  The text to be logged.   */  synchronized static public void log(int level,String event)  {    if ( level == LOG_LEVEL_NONE )      return;    if ( level<_level )      return;    Date dt = new Date();    String log = "[" + dt.toString() + "] [";    switch ( level ) {    case LOG_LEVEL_TRACE:log+="TRACE";break;    case LOG_LEVEL_NORMAL:log+="NORMAL";break;    case LOG_LEVEL_ERROR:log+="ERROR";break;    case LOG_LEVEL_NONE:log+="NONE?";break;    case LOG_LEVEL_DUMP:log+="DUMP";break;    }    log+="][" + Thread.currentThread().getName() + "] " + event;    if ( _log2console )      System.out.println( log );    if ( _log2file ) {      try {        FileOutputStream fw = new FileOutputStream(_path,true);        PrintStream ps = new PrintStream(fw);        ps.println(log);        ps.close();        fw.close();      } catch ( IOException e ) {      }    }  }}