level.java

一个java工作流引擎

package org.jbpm.util.log;

import java.util.*;
import org.jbpm.util.lang.*;

public class Level extends Enum {
  
  private static final Map levelsByName = new HashMap();

  public static final Level TRACE = new Level( new Integer( 0 ), "trace" );
  public static final Level DEBUG = new Level( new Integer( 1 ), "debug" );
  public static final Level INFO  = new Level( new Integer( 2 ), "info " );
  public static final Level WARN  = new Level( new Integer( 3 ), "warn " );
  public static final Level ERROR = new Level( new Integer( 4 ), "ERROR" );
  public static final Level FATAL = new Level( new Integer( 5 ), "FATAL" );
  
  private String name = null;
  
  private Level( Integer id, String name ) {
    super( id );
    this.name = name;
    levelsByName.put( name.trim().toLowerCase(), this );
  }
  
  public boolean includes( Level level ) {
    return ( ((Integer)id).intValue() <= ((Integer)level.id).intValue() );
  }
  
  public static Level getInstance( String name ) {
    return (Level) levelsByName.get( name.trim().toLowerCase() );
  }
  
  public String toString() {
    return name;
  }
}