Source code: com/presumo/util/log/Logger.java
1 /**
2 * This file is part of Presumo.
3 *
4 * Presumo is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * Presumo is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with Presumo; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 *
18 *
19 * Copyright 2001 Dan Greff
20 */
21 package com.presumo.util.log;
22
23 /**
24 * Interface used by all code within this project to log any type of messages.
25 * If you wish to modify Presumo to use your project's logging mechanism
26 * simply implement this interface and modify LoggerFactory.
27 *
28 * @author Dan Greff
29 */
30 public interface Logger
31 {
32 public static final String EXCEPTION_MSG_KEY = "EXCEPTION";
33 public void exception(Throwable t);
34
35 public void error(String key);
36 public void error(String key, Object param);
37 public void error(String key, Object param1, Object param2);
38 public void error(String key, Object [] params);
39
40 public void warn(String key);
41 public void warn(String key, Object param);
42 public void warn(String key, Object param1, Object param2);
43 public void warn(String key, Object [] params);
44
45 public void info(String key);
46 public void info(String key, Object param);
47 public void info(String key, Object param1, Object param2);
48 public void info(String key, Object [] params);
49
50 public boolean isDebugEnabled();
51 public void debug(Object msg);
52 public void entry(String method);
53 public void entry(String method, Object param);
54 public void entry(String method, Object param1, Object param2);
55 public void entry(String method, Object [] params);
56 public void exit(String method);
57 public void exit(String method, Object retval);
58 }