viewermodelevent.java

检查Java程序漏洞

package net.sourceforge.pmd.util.viewer.model;

/**
 * The event which will be sent every time  the model changes
 * 
 * <p>
 * Note: the instances will be immutable
 * </p>
 *
 * @author Boris Gruschko ( boris at gruschko.org )
 * @version $Id: ViewerModelEvent.java,v 1.1 2003/09/23 20:32:42 tomcopeland Exp $
 */
public class ViewerModelEvent
{
  /** reason in the case of code recompilation */
  public static final int CODE_RECOMPILED = 1;

  /** reason in the case of node selection */
  public static final int NODE_SELECTED = 2;

  /** reason in the case of path extension */
  public static final int PATH_EXPRESSION_APPENDED = 3;

  /** reason in the case of path expression evaluation */
  public static final int PATH_EXPRESSION_EVALUATED = 4;
  private Object          source;
  private int             reason;
  private Object          parameter;

  /**
   * Creates an event
   *
   * @param source event's source
   * @param reason event's reason
   */
  public ViewerModelEvent( Object source, int reason )
  {
    this( source, reason, null );
  }

  /**
   * Creates an event
   *
   * @param source event's source
   * @param reason event's reason
   * @param parameter parameter object
   */
  public ViewerModelEvent( Object source, int reason, Object parameter )
  {
    this.source      = source;
    this.reason      = reason;
    this.parameter   = parameter;
  }

  /**
   * retrieves the reason for event's occurance
   *
   * @return event's reason
   */
  public int getReason(  )
  {
    return reason;
  }

  /**
   * retrieves the object which caused the event
   *
   * @return object that casused the event
   */
  public Object getSource(  )
  {
    return source;
  }

  /**
   * retrieves event's parameter
   *
   * @return event's parameter
   */
  public Object getParameter(  )
  {
    return parameter;
  }
}


/*
 * $Log: ViewerModelEvent.java,v $
 * Revision 1.1  2003/09/23 20:32:42  tomcopeland
 * Added Boris Gruschko's new AST/XPath viewer
 *
 * Revision 1.1  2003/09/24 01:33:03  bgr
 * moved to a new package
 *
 * Revision 1.3  2003/09/24 00:40:35  bgr
 * evaluation results browsing added
 *
 * Revision 1.2  2003/09/23 07:52:16  bgr
 * menus added
 *
 * Revision 1.1  2003/09/22 05:21:54  bgr
 * initial commit
 *
 */