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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 chapters.layouts;
15  
16  import ch.qos.logback.classic.spi.ILoggingEvent;
17  import ch.qos.logback.core.CoreConstants;
18  import ch.qos.logback.core.LayoutBase;
19  
20  public class MySampleLayout2 extends LayoutBase<ILoggingEvent> {
21  
22      String prefix = null;
23      boolean printThreadName = true;
24  
25      public void setPrefix(String prefix) {
26          this.prefix = prefix;
27      }
28  
29      public void setPrintThreadName(boolean printThreadName) {
30          this.printThreadName = printThreadName;
31      }
32  
33      public String doLayout(ILoggingEvent event) {
34          StringBuilder sbuf = new StringBuilder(128);
35          if (prefix != null) {
36              sbuf.append(prefix + ": ");
37          }
38          sbuf.append(event.getTimeStamp() - event.getLoggerContextVO().getBirthTime());
39          sbuf.append(" ");
40          sbuf.append(event.getLevel());
41          if (printThreadName) {
42              sbuf.append(" [");
43              sbuf.append(event.getThreadName());
44              sbuf.append("] ");
45          } else {
46              sbuf.append(" ");
47          }
48          sbuf.append(event.getLoggerName());
49          sbuf.append(" - ");
50          sbuf.append(event.getFormattedMessage());
51          sbuf.append(CoreConstants.LINE_SEPARATOR);
52          return sbuf.toString();
53      }
54  }