1   /**
2    * Logback: the reliable, generic, fast and flexible logging framework.
3    * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
4    *
5    * This program and the accompanying materials are dual-licensed under
6    * either the terms of the Eclipse Public License v1.0 as published by
7    * the Eclipse Foundation
8    *
9    *   or (per the licensee's choosing)
10   *
11   * under the terms of the GNU Lesser General Public License version 2.1
12   * as published by the Free Software Foundation.
13   */
14  package ch.qos.logback.access.common.pattern;
15  
16  import ch.qos.logback.access.common.spi.IAccessEvent;
17  
18  /**
19   * Always returns the NA (not available) string which is "-" in the case of
20   * access conversions.
21   *
22   * @author Ceki Gülcü
23   */
24  public class NAConverter extends AccessConverter {
25  
26      @Override
27      public String convert(IAccessEvent accessEvent) {
28          return IAccessEvent.NA;
29      }
30  
31  }