View Javadoc
1   /**
2    *    Copyright 2009-2015 the original author or authors.
3    *
4    *    Licensed under the Apache License, Version 2.0 (the "License");
5    *    you may not use this file except in compliance with the License.
6    *    You may obtain a copy of the License at
7    *
8    *       http://www.apache.org/licenses/LICENSE-2.0
9    *
10   *    Unless required by applicable law or agreed to in writing, software
11   *    distributed under the License is distributed on an "AS IS" BASIS,
12   *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   *    See the License for the specific language governing permissions and
14   *    limitations under the License.
15   */
16  package org.apache.ibatis.logging.slf4j;
17  
18  import org.apache.ibatis.logging.Log;
19  import org.slf4j.Logger;
20  import org.slf4j.LoggerFactory;
21  import org.slf4j.Marker;
22  import org.slf4j.spi.LocationAwareLogger;
23  
24  /**
25   * @author Clinton Begin
26   * @author Eduardo Macarron
27   */
28  public class Slf4jImpl implements Log {
29  
30    private Log log;
31  
32    public Slf4jImpl(String clazz) {
33      Logger logger = LoggerFactory.getLogger(clazz);
34  
35      if (logger instanceof LocationAwareLogger) {
36        try {
37          // check for slf4j >= 1.6 method signature
38          logger.getClass().getMethod("log", Marker.class, String.class, int.class, String.class, Object[].class, Throwable.class);
39          log = new Slf4jLocationAwareLoggerImpl((LocationAwareLogger) logger);
40          return;
41        } catch (SecurityException e) {
42          // fail-back to Slf4jLoggerImpl
43        } catch (NoSuchMethodException e) {
44          // fail-back to Slf4jLoggerImpl
45        }
46      }
47  
48      // Logger is not LocationAwareLogger or slf4j version < 1.6
49      log = new Slf4jLoggerImpl(logger);
50    }
51  
52    @Override
53    public boolean isDebugEnabled() {
54      return log.isDebugEnabled();
55    }
56  
57    @Override
58    public boolean isTraceEnabled() {
59      return log.isTraceEnabled();
60    }
61  
62    @Override
63    public void error(String s, Throwable e) {
64      log.error(s, e);
65    }
66  
67    @Override
68    public void error(String s) {
69      log.error(s);
70    }
71  
72    @Override
73    public void debug(String s) {
74      log.debug(s);
75    }
76  
77    @Override
78    public void trace(String s) {
79      log.trace(s);
80    }
81  
82    @Override
83    public void warn(String s) {
84      log.warn(s);
85    }
86  
87  }