1 // ========================================================================
2 // Copyright (c) 2004-2009 Mort Bay Consulting Pty. Ltd.
3 // ------------------------------------------------------------------------
4 // All rights reserved. This program and the accompanying materials
5 // are made available under the terms of the Eclipse Public License v1.0
6 // and Apache License v2.0 which accompanies this distribution.
7 // The Eclipse Public License is available at
8 // http://www.eclipse.org/legal/epl-v10.html
9 // The Apache License v2.0 is available at
10 // http://www.opensource.org/licenses/apache2.0.php
11 // You may elect to redistribute this code under either of these licenses.
12 // ========================================================================
13
14 package org.eclipse.jetty.util.log;
15
16 /** Logging Facade
17 * A simple logging facade that is intended simply to capture the style
18 * of logging as used by Jetty.
19 *
20 */
21 public interface Logger
22 {
23 public boolean isDebugEnabled();
24
25 /** Mutator used to turn debug on programatically.
26 * Implementations operation in which case an appropriate
27 * warning message shall be generated.
28 */
29 public void setDebugEnabled(boolean enabled);
30
31 public void info(String msg);
32 public void info(String msg,Object arg0, Object arg1);
33 public void debug(String msg);
34 public void debug(String msg,Throwable th);
35 public void debug(String msg,Object arg0, Object arg1);
36 public void warn(String msg);
37 public void warn(String msg,Object arg0, Object arg1);
38 public void warn(String msg, Throwable th);
39 public Logger getLogger(String name);
40 }