View Javadoc

1   //========================================================================
2   //$Id: Logger.java,v 1.1 2005/11/14 16:55:09 gregwilkins Exp $
3   //Copyright 2004-2005 Mort Bay Consulting Pty. Ltd.
4   //------------------------------------------------------------------------
5   //Licensed under the Apache License, Version 2.0 (the "License");
6   //you may not use this file except in compliance with the License.
7   //You may obtain a copy of the License at 
8   //http://www.apache.org/licenses/LICENSE-2.0
9   //Unless required by applicable law or agreed to in writing, software
10  //distributed under the License is distributed on an "AS IS" BASIS,
11  //WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  //See the License for the specific language governing permissions and
13  //limitations under the License.
14  //========================================================================
15  
16  package org.mortbay.log;
17  
18  /** Logging Facade
19   * A simple logging facade that is intended simply to capture the style 
20   * of logging as used by Jetty.
21   *
22   */
23  public interface Logger
24  {
25      public boolean isDebugEnabled();
26  
27      /** Mutator used to turn debug on programatically.
28       * Implementations operation in which case an appropriate
29       * warning message shall be generated.
30       */
31      public void setDebugEnabled(boolean enabled);
32  
33      public void info(String msg,Object arg0, Object arg1);
34      public void debug(String msg,Throwable th);
35      public void debug(String msg,Object arg0, Object arg1);
36      public void warn(String msg,Object arg0, Object arg1);
37      public void warn(String msg, Throwable th);
38      public Logger getLogger(String name);
39  }