level.java

JAVA实现的一个类库

package cn.edu.nju.software.sd.cll;
/**
 * inheritance from the Priority Class
 * 
 * @author SuSE
 *
 */
public class Level extends Priority {
    /**
     * The value seems like the configuration of Log4j
     */
    public static final int TRACE_INT = 5000;
    /**
     * The function of FATAL,level is not a value.
     * 
     */
	public static final  Level FATAL = new Level(FATAL_INT, "FATAL")   ;  
	   /**
     * The function of FATAL,level is not a value.
     * 
     */
	public final static Level ERROR = new Level(ERROR_INT, "ERROR");  
	   /**
     * The function of ERROR,level is not a value.
     * 
     */
	public final static Level WARNING = new Level(WARNING_INT, "WARN");
	   /**
     * The function of WARNING,level is not a value.
     * 
     */
	public final static Level INFO = new Level(INFO_INT, "INFO");
	   /**
     * The function of INFO,level is not a value.
     * 
     */
	public final static Level DEBUG = new Level(DEBUG_INT, "DEBUG");
	   /**
     * The function of DEBUG,level is not a value.
     * 
     */
        public static final Level TRACE=new Level(TRACE_INT, "TRACE" );
 
        //Following two are not to be hiden.
 	   /**
         * The function of OFF,level is not a value.
         * 
         */
         public final static  Level OFF = new Level(OFF_INT, "OFF");
         
  	     /**
          * The function of ALL,level is not a value.
          * 
          */
         public final static Level ALL = new Level(ALL_INT, "ALL" );
      
    
  protected
  Level(int levelNo, String levelStr  ) {
    super(levelNo, levelStr );
  }
    /**
     * toLevel function to generate a Level object.
     * @param sArg
     * @return
     */
   public static
  Level toLevel(String sArg) {
    return (Level) toLevel(sArg, Level.DEBUG);
  }
   /**
    *  toLevel function to generate a Level object.
    * @param val
    * @return
    */
  public
  static
  Level toLevel(int val) {
    return (Level) toLevel(val, Level.DEBUG);
  }
  /**
   *  toLevel function to generate a Level object.
   * @param val
   * @param defaultLevel
   * @return
   */
    public static
   
  Level toLevel(int val, Level defaultLevel) {
    switch(val) {
    case ALL_INT: return ALL;
    case DEBUG_INT: return Level.DEBUG;
    case INFO_INT: return Level.INFO;
    case WARNING_INT: return Level.WARNING;
    case ERROR_INT: return Level.ERROR;
    case FATAL_INT: return Level.FATAL;
    case TRACE_INT: return Level.TRACE;   
    case OFF_INT: return OFF;
    
    default: return defaultLevel;
    }
  }
    
    /**
     *  toLevel function to generate a Level object.
     * @param val
     * @param defaultLevel
     * @return
     */
   public
  static
  Level toLevel(String sArg, Level defaultLevel) {                  
    if(sArg == null)
       return defaultLevel;
    
    String s = sArg.toUpperCase();

    if(s.equals("ALL")) return Level.ALL; 
    if(s.equals("DEBUG")) return Level.DEBUG; 
    if(s.equals("INFO"))  return Level.INFO;
    if(s.equals("WARNING"))  return Level.WARNING;  
    if(s.equals("ERROR")) return Level.ERROR;
    if(s.equals("FATAL")) return Level.FATAL;
    if(s.equals("OFF")) return Level.OFF;
    if(s.equals("TRACE")) return Level.TRACE;
    //
    //   For Turkish i problem, see bug 40937
    //
    if(s.equals("\u0130NFO")) return Level.INFO;
    return defaultLevel;
  }
}