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   * The content length of the bytes sent.
20   */
21  public class ContentLengthConverter extends AccessConverter {
22  
23      @Override
24      public String convert(IAccessEvent accessEvent) {
25          long len = accessEvent.getContentLength();
26          if (len == IAccessEvent.SENTINEL) {
27              return IAccessEvent.NA;
28          } else {
29              return Long.toString(len);
30          }
31      }
32  
33  }